Quick Answer: What Are NS Records?

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 are NS and SOA 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.

What is A and AAAA record?

A and AAAA records are equally important when it comes to resolving DNS. The difference lies in that A records is used to resolve a hostname which corresponds to an IPv4 address, while AAAA records are used to resolve a domain name which corresponds to an IPv6 address.

What is a PTR record?

A DNS pointer record (PTR for short) provides the domain name associated with an IP address. A DNS PTR record is exactly the opposite of the ‘A’ record, which provides the IP address associated with a domain name.

How many a records can a domain have?

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

How do I make an NS record?

Adding an NS RecordLog in to your Name.com account.Click on the MY DOMAINS button, located on the top right hand corner.Click on the domain name you wish to create an NS records for.Click Manage DNS Records.Here you will add the desired NS record, provided by your host.

What is a Cname record example?

A Canonical Name or CNAME record is a type of DNS record that maps an alias name to a true or canonical domain name. … For example, a CNAME record can map the web address www.example.com to the actual web site for the domain example.com.

How do I find Cname records?

Enter cmd and press Enter. On Mac or Linux, start the terminal. Replace example.com with the name of the domain that has the CNAME record you want to look up….Look up and check CNAME recordsGo to your domain host’s website. … Sign in to your domain host account.Go to the DNS records for your domain. … Verify the results.

Should I use Cname or a record?

General rules: Use an A record if you manage which IP addresses are assigned to a particular machine, or if the IP are fixed (this is the most common case). Use a CNAME record if you want to alias one name to another name, and you don’t need other records (such as MX records for emails) for the same name.

How do Cname records work?

A Canonical Name (CNAME) Record is used in the Domain Name System (DNS) to create an alias from one domain name to another domain name. … Providing a separate hostname for specific network services, such as email or FTP, and pointing that hostname to the root domain.

What are NS records used for?

What is a DNS NS record? NS stands for ‘name server’ and this record indicates which DNS server is authoritative for that domain (which server contains the actual DNS records). A domain will often have multiple NS records which can indicate primary and backup name servers for that domain.

What are different types of DNS records?

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…

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 SOA DNS entry?

A start of authority (SOA) record is information stored in a domain name system (DNS) zone about that zone and about other DNS records. A DNS zone is the part of a domain for which an individual DNS server is responsible. Each zone contains a single SOA record.

How do I find my SOA records?

To get the current serial number, you need to perform an SOA query.Open a command window.Type nslookup and press [Enter].Switch to querying SOA records by typing set type=soa and press [Enter].Type the name of the domain name in question and press [Enter].