If it is authoritative, it checks records and replies with requested record to DNS server. Click Add… button to add new nameserver record. Google Public DNS servers are not authoritative for any. The DNS lookup is done directly against the domain's authoritative name server, so changes to DNS Records should show up instantly. We want to classify recursive resolvers based on query data collected on the. For instance, to find out what the IP address of microsoft. A custom name server allows you to run your own name server to respond to DNS requests for your domains. I see the Domain Keys and the SPF records have been enabled on your account, so all is well. From the expanded list, click to select the zone. com is the authoritative (responsible) name server for the hungrypenguin. Lame name servers will not provide DNS records (other than cached records) for your domain. This function will trace the DNS delegation for a domain name from the Internet DNS root servers down to the DNS servers responsible (authoritative) for the domain. Tracing is disabled by default. To install and configure bind as an Authoritative Name Server on Centos. Let us see what nameservers (NS records) are availale for the domain google. DNS queries can be checked with the dig command, either against the local DNS server or against the authoritative name server for the domain which will provide an up to date non cached result. Here is what it looks like when performing external DNS lookup: PTR records are mainly used to check if the server name is actually associated with the IP address from where the connection was initiated. com set q=ns google. Domain Name Services are the glue that binds the Internet together. Below you can see XP forwarding the request to its DNS server. CentOS 6をminimalインストールすると、デフォルトではDNS名前解決テスト用のdig,nslookup,hostコマンドがインストールされていません。. Multiple masters are created for DNS replication. domaincontrol is the main name server for stackoverflow. com and ns77. We use cookies for various purposes including analytics. TechArena Community > Technology > Networking & Security. We should know what is Authoritative answer on NS Lookup first. The root name server is the name server for the root zone. Quest 1 – Secure, Lightning Fast, CentOS 7. I am somewhat new to networking. Primary and Secondary Name Servers. DNS (Domain name system) may not be known to most people who use the Internet but it is the real invisible force driving the Internet without which everyone would be seeing numbers and IPs. Reverses lookup through WINS server. In common words “Always time server” + Always reliable time server”. An authoritative-only name server only returns. For example, if the domain mycompany. 250] is alive, but not authoritative Is this part of the propagation process that will resolve eventually (it's been over 72 hours since registration) or is there something wrong?. Authoritative Name Server listed as ANS. 5 or later uses [CLIENT-URL]/v3/*. com or internal network host using the internal DNS servers. com' to the IP address 198. If your domain name is pointed to our nameservers and not via specific records then the server is considered authoritative and can perform the SPF and Domain Keys for you. The volume covers DNS and Ipv6 basics, BIND on Ipv6, resolver configuration for both Windows and Mac based systems and DNS64 and authoritative name. Hopefully this post has helped clarify the question “what is a DNS server” as well as provide some insight into how a DNS server works. domaincontrol. Before going through this article ensure that DNS is installed on your system otherwise you will not be able to change the Zone Type, in fact in that case Zone will also be not available to you. com but still I get non-authoritative answer, Why !? Hi, It's because that 8. Thus, you will have to manually add entries on the remote DNS server, or change the name servers for your domain name so the DNS is handled on the cPanel server. FQDN (fully qualified domain name) is a name assigned to an individual machine. To con rm the authoritative DNS servers, we perform the same DNS query of one of the servers that can provide authoritative answers. 222 then go to an interactive prompt and type: server 208. This can be useful to find out if a domain is delegated correctly. DNS server caches the record and transmits IP address to resolver on client system. This tutorial will describe deploying primary and secondary BIND servers as authoritative name servers. Online Ping, Traceroute, DNS lookup, WHOIS, Port check, Reverse lookup, Proxy checker, Bandwidth meter, Network calculator, Network mask calculator, Country by IP, Unit converter. cn Server: dns. DNS information, in particular, can and does change with time. In order to correctly serve ALIAS records in PowerDNS Authoritative Server 4. Here's the changes I did to configure my core's name server to be authoritative and support. Importance of DNS. If that is not the correct way to obtain this information accurately, then I am not going down the correct road. What is DNS and how does it work? The Domain Name System resolves the names of internet sites with their underlying IP addresses adding efficiency and even security in the process. What is the difference between a Primary and an authoritative DNS server? Hi, I'm studying for the MCTS 70 640 exam which assumes a level of background knowledge about DNS that I seem to be lacking and I'm struggling to find a good source of information. com and hostnames like support. Examples of nslookup command in Linux. A popular free software name server is BIND Named, for UN*X hosts. authoritative command: See: edict , mandate , monition , order , process , summons. The ALIAS record provides a way to have CNAME-like behaviour on the zone apex. This UltraTools DNS tool performs an authoritative DNS lookup and provides details about common resource record types for root server, TLD server and Nameserver information. Lookup Server provides these services free of charge with no expressed or implied warranty as to their accuracy. A name server is an Internet host running software capable of processing DNS requests. A caching DNS name server is used as a reference only, regular name servers are used as the authoritative source of information for your Web site's domain. DNS lookup - Look up DNS record. More Information# There might be more information for this subject on one of the following:. net’s authoritative are. Up til recently we never needed to have a forwarding lookup zone for our public website domain (lifesyncinc. DNS Servers host zones which in turn host records that resolve a name to an IP address. exe)program to query Internet domain name servers. Use the NSLOOKUP IP Address pop-up window shown in Figure 1 to issue a z/OS® Communications Server NSLOOKUP command to query name servers so that you can locate information about network nodes, examine the contents of a name-server database, or establish the accessibility of name servers. SANS - The Simple Authoritative DNS Server SANS is a simple DNS server for all Windows platforms, Windows 95 and up, that can be a primary DNS server for your domains. DNS is the resolution of a domain name to an IP address. Interactive mode allows the user to query name servers for information about various hosts and domains or print a list of hosts in a domain. Recursive resolver checks with the Top Level Domain (TLD) Name Server to find where to go to get the location for the authoritative server for that domain. Use our nslookup utility to grab dns records, including mx records. LIFE - Check latest WHOIS data, Whois History & Reverse Whois of nice. To use a specific DNS server for the query, add the server name or IP address to the end of the command. com is delegated to DNSimple name servers, we must include an SOA record for the name mycompany. This server is called the authoritative name server for the domain. The address labeled primary name server is the DNS authority for the domain. - [Voiceover] An Authoritative-Only Name Server,…is a name server with the sole purpose of providing…the official answer to a DNS query for a domain. Welcome to ICANN DNS Engineering website. Search Domains. It queries to DNS (Domain Name Server) and get the dns records for any domain for ip address. com and ns77. Conditional forwarders are appropriate when the list of DNS servers for the domain in question is well-known and unlikely to change. An authoritative name server has an SOA (Start Of Authority) record for each domain it is authoritative for. This is deprecated after windows server 2008, but if you migrated from older Active Directory environment you may still have FRS for SYSVOL replication. The domain name data provided by DNS is intended to be available to any computer located anywhere in the Internet. A HOSTA / A. We set the dns-server IP address which will be the internal interface of the the router. This is mostly used for zone transfer purposes (notify messages). If that is not the correct way to obtain this information accurately, then I am not going down the correct road. If that succeeds, the domain name will appear in this column. This is incorrect because one would not say Domain Name Server Server as in DNS Server, one would say Domain Name Services Server. At the root server level, it's important that there is an authoritative name server configured to respond to queries against a particular domain name. Authoritative DNS has the final authority over a domain and is responsible for providing answers to recursive DNS servers with the IP address information. dnsd is available as an npm module. The DNS tunnel server will typically be an internet accessible server controlled by the tunnel user. Enter a domain to get its nameservers. org) so our DNS server only consisted of 1 forward lookup zone integrated with active directory (ls-inc. Dig DNS Interface Domain: Type: A (network address) ANY (any/all information) TXT (text records) MX (mail exchanger records) NS (name servers) SOA (zone of authority record) HINFO (host information) AXFR (zone transfer, target must be authoritative). If the name server is “authoritative” for the domain name, it answers the query directly. C:\Users\Administrator>nslookup -type=A rackspace. How is External Authoritative Name Servers abbreviated? EANS stands for External Authoritative Name Servers. (Automatic time server + Automatic reliable time server. domainwhitepages. com) and it can provide a recursive resolver with the IP address of that server found in the DNS A record, or if the domain has a CNAME record (alias) it will provide the recursive resolver with an alias domain, at which point the recursive. Our authoritative DNS servers publish the DNS for cam. Suppose you have a Host C, a local name server L, and authoritative name servers Aroot, Acom, and Agoogle. How to Use nslookup in Windows To use the Windows version of nslookup, open Command Prompt and type nslookup to get a result similar to this one but with entries for the DNS server and IP address that your. For purposes of concurrency control, a Context operation that returns a NamingEnumeration is not considered to have completed while the enumeration is still in use, or while any referrals generated by that operation. It will not query any additional servers if the DNS server is unable to resolve the query. The authoritative server that has control over the DNS resolution for the domain name determines the TTL. Multiple masters are created for DNS replication. com, and ping it from your workstation you might get the Reply from 198. verisigndns. The Whois Lookup database contains only. The answer it gives out is from its cache file which is constructed from all the DNS lookups done previously. FQDN (fully qualified domain name) is a name assigned to an individual machine. For instance, etcd v3. The DNS Server sends a new iterative query to second level domain name server. You can switch DNS servers using server name or server IP address option. Use our nslookup utility to grab dns records, including mx records. If your company runs its own private DNS server then sometimes you cannot lookup private information on public DNS servers. An NS record delegates a subdomain to a set of name servers, returning the domain names of those servers. The length of time that a DNS lookup may be stored in the DNS cache is called the TTL (time to live). If you take the domain name www. If they are neither, they are called stub resolvers and simply forward all queries to another recursive name server. Interactive mode allows the user to query name servers for information about various hosts and domains or to print a list of hosts in a domain. It is important to confirm that the correct DNS servers have been specified within this file and that you can connect to them on TCP/UDP port 53. edu domain registration records. If your domain name is pointed to our nameservers and not via specific records then the server is considered authoritative and can perform the SPF and Domain Keys for you. PTR Record: PTR record stands for Reverse lookup record or Pointer record. DNS server caches the record and transmits IP address to resolver on client system. Typically, it may be necessary to perform this procedure at the primary zone only when you add Domain Name System (DNS) servers to act as secondary servers. I checked and your domain is indeed pointing to our nameservers. If they are neither, they are called stub resolvers and simply forward all queries to another recursive name server. It includes Hostname, Name server and Name server IP. In my previous article “ Non-authoritative SYSVOL restore (DFS-R) ” I showed you, how to do a non-authoritative restore of SYSVOL based on DFS Replication. DNS lookup - Look up DNS record. When dnsmasq is configured to act as an authoritative server, the following data is used to populate the authoritative zone. A reverse lookup zone allows you to do the opposite, taking an IP address and finding its name. CentOS 6をminimalインストールすると、デフォルトではDNS名前解決テスト用のdig,nslookup,hostコマンドがインストールされていません。. From the expanded list, click to select the zone. Each TLD server holds a list of all of the authoritative name servers for each domain in the TLD. Note: For the NetScaler appliance to be authoritative, you must also create SOA and NS records. Troubleshooting Common DNS Misconfiguration Errors. authoritative server - Dutch translation – Linguee Look up in Linguee. The volume covers DNS and Ipv6 basics, BIND on Ipv6, resolver configuration for both Windows and Mac based systems and DNS64 and authoritative name. On the opened DNS Manager snap-in from the left pane, expand the server name for the DNS server, and then expand Forward Lookup Zones. A DNS server is authoritative for the zones it holds, if it has to refer your query on to find the answer, this is non-authoritative. Bind is a DNS Server which can be configured as a recursive name server and also an authoritative name server. dnsmasq is a lightweight, easy to configure DNS forwarder, DHCP server software and router advertisement subsystem for small networks. EANS is defined as External Authoritative Name Servers very rarely. verisigndns. Authoritative name servers store DNS record information –usually a DNS hosting provider or domain registrar. This can be used to lookup Hesiod or Chaosnet class. To transfer domain names to Network Solutions: Click the Domains left menu tab ; Click Transfer Existing, and follow the instructions. Nslookup stands for "name server lookup" is a useful command for getting information from DNS server. In response, the authoritative name servers resolve the domain. Nslookup (short for name server lookup) is an excellent tool for querying DNS (domain name systems). How to Use nslookup in Windows To use the Windows version of nslookup, open Command Prompt and type nslookup to get a result similar to this one but with entries for the DNS server and IP address that your. 4 THE RUMORS ARE TRUE. There is also an option to the store zone in Active Directory. file: The name of the zone's database file. After you create an authoritative NS group, you can then assign it to serve authoritative forward-mapping and reverse-mapping zones. If this were the second server to host the zone, it would be set to slave. There is no need to worry about this too much. An SOA record is a Start of Authority. If you take the domain name www. com is, you could run the command:. Authoritative relates to name server. If you don't want to use this domain for email, you need to add another authoritative domain. If Online DNS Record Viewer fails to obtain the authoritative answer it will automatically try to get at least a non-authoritative answer from the specified name server. This document proposes a mechanism for securing (privacy-wise) the communication between the DNS resolver and the authoritative name server. I want to share my custom unet architecture that i made for my multiplayer network games. This is not applicable to Exchange Server 2003. com DNS namespace. How to Use nslookup in Windows To use the Windows version of nslookup, open Command Prompt and type nslookup to get a result similar to this one but with entries for the DNS server and IP address that your. net respectively. We automatically publish NS records in our authoritative name servers for each domain we’re authoritative for. 8 as their defined name resolver. com DNS esolver Query: What is the IP address of www. ), Specify name server, Authoritative name server, Top-level domain name server, Root. Samples in periodicals archive: About Secure64 DNS Authority Secure64 DNS Authority is authoritative name server software that's available at all times -- even during network attacks or restarts. Technically speaking, we will be writing both a forward and reverse zone file for our domain. com Should be NATTedThanksReply Leave a Reply Cancel this reborn when the Age comes back? The Server With This Ip Is Not Authoritative For The Required Zone Conditional Forwarder. DNS Resource Records Zone DNS database is a collection of resource records and each of the records provides information about a specific object. The opposite of Non-Authoritative Answer is Authoritative-Only Answer. A separate DNS zone transfer topology is not needed. Plesk 11 authoritative name server. Step 3b: Create your domain objects using syncupdates, email or the API If you choose to create domain objects using syncupdates, email or the API, you will first need to chop your address block into "chunks" that can be. I just built the domain2 exch2007 server and have run into a problem with authoritative domains. Recursive DNS: Clients typically do not make queries directly to. Press Windows Key + R, execute dnsmgmt. The system will try finding the closest available servers for you. They will also provide the Alias translation between public and private names. The expected authority can be obtained either from a referral for that zone from a parent zone, or from the authority records returned by another authoritative name server for the zone. MX record is DNS entry that specifies a mail server responsible for accepting email messages for that domain name. The system will try finding the closest available servers for you. If you take the domain name www. Each domain or subdomain has one or more authoritative DNS servers that publish information about that domain and the nameservers of any domains "beneath" it. This will help you to put sample keys in your etcd server. The authoritative nameserver contains information specific to the domain name it serves (e. The DNS server will have to perform all these queries whether recursive or iterative queries are being used, but when recursion is used, most of the name resolution requests are handled by your DNS server and are kept off of your network. A DNS Administrator would normally enable this option when deploying an external facing DNS server. DNS Lookup allows you to use public DNS server (Google, Cloudflare, Quad9, OpenDNS, Level3, Verisign, Comodo, Norton, Yandex, NTT, SDNS, CFIEC, Alidns, 114DNS, Hinet, etc. Advanced DNS traffic management using the BIG-IP LTM, on page 2-1. uk and our other domains to the world. Each TLD server holds a list of all of the authoritative name servers for each domain in the TLD. When you configure the NetScaler appliance as an authoritative DNS server, it accepts DNS requests from the client and responds with the IP address of the data center to which the client should send requests. It also very useful for troubleshooting DNS related issues. We’re collecting queries and responses from two of our four name servers and storing them in our Hadoop-based warehouse. Operations of ICANN authoritative DNS Servers. on May 23, 2010 {10 comments} What Is Authoritative Name Server. An authoritative name server can either be a primary server (master) or a secondary server (slave). com nameservers (in our search for example. Authoritative Domain. Examples of nslookup command in Linux. While we can look for the SOA record, we should query for the Name Server (NS) record. Technically speaking, we will be writing both a forward and reverse zone file for our domain. This article explains about nslookup command in detail. The FQDN consists of two parts: the hostname and the domain name. 5 or later uses [CLIENT-URL]/v3/*. How do I test or check reverse DNS for given IP address under Linux, OS X, BSD, Unix-like or Windows XP/Server 2003 based systems? Reverse DNS lookup (also known as rDNS) is a process to determine the hostname associated with a given IP address. Name servers can also be. How to Find the SMTP Email Server for an Email Address This example helps determine the mail server for a given email address. GASB PUBLISHES NEW AUTHORITATIVE IMPLEMENTATION GUIDE Norwalk, CT, August 27, 2015—The Governmental Accounting Standards Board (GASB) today published a document that details comprehensive authoritative implementation guidance cleared by the Board for state and local governments. If your DMZ DNS servers are the authoritative name servers for your domain name, then they should be in the DMZ. There are two types of Authoritative Name Servers: Master server (primary name server) - A master server stores the original master copies Slave server (secondary name server) - A slave server is exact replica of master server. I did this to have an authoritative server. +[no]trace Toggle tracing of the delegation path from the root name servers for the name being looked up. Each TLD server holds a list of all of the authoritative name servers for each domain in the TLD. DNS server returns IP address to resolver which passes the IP address to application • Reverse lookups are also possible, i. You can click Diagnostics , which will connect to the mail server, verify reverse DNS records, perform a simple Open Relay check and measure response time performance. Besides a ton of bug fixes (please see the Changelog), this release also offers a nice collection of new features. Importance of DNS. The TLD server responds with a list of name servers that are authoritative for the domain. NatureServe Explorer: An Online Encyclopedia of Life. I also wanted any dynamic IP's to be visible to the name server. org) so our DNS server only consisted of 1 forward lookup zone integrated with active directory (ls-inc. , Big Nick's Pizza Joint, Big Nick's Pizza. Resolver contacts DNS server, called name server 3. Pointer to a canonical name that returns the name only and is used for implementing reverse DNS lookups SIG Signature Signature record SOA Start of authority record Specifies authoritative information about a DNS zone, including the primary name server, the email of the domain administrator, the domain serial number, and several timers relating. These zones are useful to help reduce zone transfers by passing the requests to authoritative servers. DNS data for a domain is called a zone. DNS Lookup Tool to Find DNS A, MX, CNAME, NS Records. Interactive mode allows the user to query name servers for information about various hosts and domains or to print a list of hosts in a domain. How DNS Works. Accepted domains include those domains for which the Exchange organization is authoritative. How Do I Prepare a Domain Name for a Transfer Out of Network Solutions? How Do I Point a Domain Name or a Sub Domain Name. · Verify that the recursive name server does not believe it is authoritative for the domain. I'm having a little DNS problem. A reverse lookup zone allows you to do the opposite, taking an IP address and finding its name. These NS-records have the same name as the zone in which they are located. This is useful for determining your own SMTP mail server to use with NetMailBot. I am asking because we acquire about 4 companies a year and merge them into our environment currently we have 18 SMTP domains and in the recipient policy the checkbox that says " This Exchange Organization is responsible for all mail delivery to this address" is selected. These servers can set the information or cache it. Before going through this article ensure that DNS is installed on your system otherwise you will not be able to change the Zone Type, in fact in that case Zone will also be not available to you. This allows more than one website to refer to a single web server. A DNS caching server answers recursive requests from clients so that the DNS query can be resolved faster, thus improving DNS lookup speeds to previously visited sites. If not, Amazon Route 53 will not be authoritative for queries to your domain. DNS Name Server Load Balancing The Address ( A ) resource record is the most fundamental one in DNS, since it records an actual mapping between a domain name and an IP address. They also provide zone transfer services for use by stealth secondaries on the CUDN. The DNS root zone is the highest level in the DNS hierarchy tree. Interactive mode allows the user to query name servers for information about various hosts and domains or print a list of hosts in a domain. By default nslookup will use the domain server that is currently configured for your system. The parameters specified in the above sample file are explained below. Public Mobile Network PMN authoritative DNS server We currently don’t have a product to cover this type of service, but our customers normally install two DNS servers (usually Berkeley bind but others are possible) and put the RRs there. An Authoritative name server is a name server that gives answers in response to questions asked about names in a zone. Create an NS record by using the CLI. Authoritative name server means, a name server which provides answers in response to questions asked about names in a zone. An authoritative name server is a name server that gives answers that have been configured by an original source, for example, the domain administrator or by dynamic DNS methods, in contrast to answers that were obtained via a regular DNS query to another name server. Aroot is a root name server known to L, with IP address 198. It appears that their DNS server is translating my domain name to an IP address I was using about 18 months ago. A method and system is presented for bypassing a local Domain Name Server (DNS) when using edge caching servers. domainwhitepages. A DNS zone is typically the same as the domain name being hosted on the DNS Server. com) and helps the resolution of the DNS query occur more. If the server receives an iterative query, it sends a referral to the querying machine containing the nameserver (NS) records of the authoritative servers for that zone. The DNS Server(s) that hosts/holds Resource Records for VirtualizationMaximus. These NS records will appear in the System Records section of each domain’s Manage page, and will either be our default name servers (ns1. , gethostbyname in UNIX Each resolver knows the name of a local DNS server Resolver sends a DNS request to the server DNS server either gives the answer, forwards the request to another server, or gives a referral Referral = Next server to whom request should be sent. com" Client Device Root Name Server Top Level Domain Server:. About DNS Lookup. $ npm install dnsd Example: Running a server. Our authoritative DNS servers publish the DNS for cam. A non-authoritative answer is an answer form your DNS server when it has had to refer the query to another DNS server. The Domain Name System, otherwise known as DNS, is a key component of the Internet. If your company runs its own private DNS server then sometimes you cannot lookup private information on public DNS servers. edu domain registration records. However a nameserver in Europe might have more current up-to-the second DNS information in it for a European domain name than say, a nameserver in Japan. com Server:. Before you start a mail server, you must verify your server’s FQDN, reverse PTR, MX records. 138] is alive, but not authoritative DNS server ns2. 88/mo Dedicated Servers Rock-solid performance on dedicated hardware. Basically, it's what the name says it is. If you are adding a Microsoft DNS server you can specify the location of the DNS Server Controller by clicking the Use proxy server checkbox and entering the DNS name or IP Address of the machine running the DNS Server controller. The default value for domain members is 10. That information came from that domain's ISP's DNS server. It also supports for Non-Authoritative and Authoritative restore but in this demo, I am going to talk only about SYSVOL with DFS replication. Now we know that for the tailspintoys. 3 Synchronization Authoritative name servers may be loosely or tightly synchronized, depending on the practices set by the operating organization. com should reply. So the authoritative domain server will return the associative ip address. component w ill be referred to as a DNS tunnel server. This method makes the internal name server authoritative for the services domain. Overview# Authoritative implies that it is able to be trusted as being accurate or true; reliable. The authoritative nameserver contains information specific to the domain name it serves (e. Use the NSLOOKUP IP Address pop-up window shown in Figure 1 to issue a z/OS® Communications Server NSLOOKUP command to query name servers so that you can locate information about network nodes, examine the contents of a name-server database, or establish the accessibility of name servers. Suppose you have a Host C, a local name server L, and authoritative name servers Aroot, Acom, and Agoogle. The Question. DNS servers are based on a recursive look up as you can see below. After you create an authoritative NS group, you can then assign it to serve authoritative forward-mapping and reverse-mapping zones. The client machine sends a request to the local name server, which , if root does not find the address in its database, sends a request to the root name server , which in turn, will route the query to an intermediate or authoritative name server. If it is authoritative, it checks records and replies with requested record to DNS server. The first server to "receive" domain name related information is the one to which the domain or its host belongs. Replacing with the name of your server. Select Active Directory repair, click Apply, and then click on OK. All you need to do is to just list the name servers that will manage the authority of the domain. Studying Authoritative Traffic Data for Search List Interaction Authoritative DNS traffic can now provide information about the search suffixes that may be in use. Let me show you some examples of the nslookup command. com domain using an OpenDNS server (which has IP address 208. DNS server returns IP address to resolver which passes the IP address to application • Reverse lookups are also possible, i. The Domain Name System consists of a hierarchical set of DNS servers. Using this feature enables server-side domain search path completion in Kubernetes clusters. com from the authoritative name servers and stores the record in its local DNS cache. I'll provide a survey of results of the Alexa top 1000 domains, and discuss some. In response, the authoritative name servers resolve the domain. I want to share my custom unet architecture that i made for my multiplayer network games. Both commands will allow you to get answer to various dns queries such as the IP address (A), mail exchanges (MX), name servers (NS), text annotations (TXT), or ANY (all) type. Note that the same can also be achieved with a fully-fledged name server. If it is authoritative, it checks records and replies with requested record to DNS server. Recursive resolver checks with the Top Level Domain (TLD) Name Server to find where to go to get the location for the authoritative server for that domain. The domain name data provided by DNS is intended to be available to any computer located anywhere in the Internet. It is licensed to the Internet Corporation for Assigned Names and Numbers, which operates this web site.