Quick Answer: What Are A Records In DNS?

How do I find my DNS records?

How To Use NSLOOKUP to View Your DNS RecordsLaunch Windows Command Prompt by navigating to Start > Command Prompt or via Run > CMD.Type NSLOOKUP and hit Enter.

Set the DNS Record type you wish to lookup by typing set type=## where ## is the record type, then hit Enter.

Now enter the domain name you wish to query then hit Enter..More items…•.

What is AAAA DNS?

An AAAA record maps a domain name to the IP address (Version 6) of the computer hosting the domain. An AAAA record is used to find the IP address of a computer connected to the internet from a name. … For example, all the DNSimple name servers are assigned to an IPv6 address and can be queried via either IPv4 or IPv6.

What is SOA and NS records?

Each zone hosted on a DNS server is required to have a SOA (start of authority) record. … So, in short, NS records are used to redirect DNS resolver to the next DNS server that is hosting the next level zone. And, SOA record is used by cluster of DNS servers to sync latest changes from the master to secondary servers.

How do DNS records work?

A DNS record is simply a database that maps human-friendly URLs to IP addresses. When someone types in a URL such as google.com, that entry is sent to an internet service provider (ISP) where it’is forwarded to the DNS servers, and then directed to the proper web server using the corresponding IP address as a label.

What is a host record in DNS?

Published on . Host records point a domain or subdomain to an IP address and are used to connect your website or identify any other application hosts on the Internet.

Can an A record point to two IP addresses?

Yes you can have multiple IP’s for the same A record. There’s a few problems with this if used for redundancy purposes… DNS servers and DNS resolvers randomly choose the order of the list of IPs – even though you might configure it a certain way on your DNS Server hosting the zone, resolvers will flip it.

What is the difference between Cname and a record?

The A record maps a name to one or more IP addresses when the IP are known and stable. The CNAME record maps a name to another name. It should only be used when there are no other records on that name. The ALIAS record maps a name to another name, but can coexist with other records on that name.

Can 2 domain names point to the same IP address?

7 Answers. Yes, this is an extremely common practice. It is called a Shared Web Hosting: In name-based virtual hosting, also called shared IP hosting, the virtual hosts serve multiple hostnames on a single machine with a single IP address.

What are the different records in DNS?

DNS Record typesA (Host address)AAAA (IPv6 host address)ALIAS (Auto resolved alias)CNAME (Canonical name for an alias)MX (Mail eXchange)NS (Name Server)PTR (Pointer)SOA (Start Of Authority)More items…

What is the difference between A and NS records in DNS?

The NS records specify the servers which are providing DNS services for that domain name. The A records point host names (such as www, ftp, mail) to one or more IP addresses. It is important to have both NS and A record in zone if you need to delegate sub-zone to different DNS server.

What DNS records do I need for website?

What DNS Records Do I Need to Add?You MUST have an A Record. … If you want to use www. … If you have any subdomains such as blog.mydomain.com then you will need to set up A Records for these also and point them to the IP address of where they are held.If you are using email you will need an MX Record.

Can NS records be IP addresses?

However, the role of NS records are limited because they only serve to define the name of the domain name servers inside a zone, NS records don’t include the IP addresses that will make sure that a domain resolution request succeeds.

What is a DNS A record example?

For example, an A Record is used to point a logical domain name, such as “google.com”, to the IP address of Google’s hosting server, “74.125. 224.147”. These records point traffic from example.com (indicated by @) and ftp.example.com to the IP address 66.147. 224.236.

How many a records can a domain have?

maximum:13 You can have unlimited number of IP address or A records for your domain name or sub-domains.

What are the two types of DNS?

The three DNS server types server are the following:DNS stub resolver server.DNS recursive resolver server.DNS authoritative server.

Is WWW an A record or Cname?

A Canonical Name or CNAME record is a type of DNS record that maps an alias name to a true or canonical domain name. CNAME records are typically used to map a subdomain such as www or mail to the domain hosting that subdomain’s content.

Can you have two A records?

You can do a lot with A records, including using multiple A records for the same domain in order to provide redundancy and fallbacks. Additionally, multiple names could point to the same address, in which case each would have its own A record pointing to that same IP address. The DNS A record is specified by RFC 1035.