What is PTR record in DNS?

What is PTR record in DNS?

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. DNS PTR records are used in reverse DNS lookups.

What is the purpose of a PTR record?

A PTR (or Pointer) record is a security tool. Essentially, when you receive an email, your mail server uses the PTR record that comes in with the email message to check that the mail server sending the email matches the IP address that it claims to be using. This is also known as “reverse DNS lookup”.

What is PTR record check?

PTR records are mainly used to check if the server name is actually associated with the IP address from where the connection was initiated. IP addresses of all Intermedia mail servers already have PTR records created.

What is a PTR record and why do I care?

A PTR record is the record for reverse DNS. Reverse DNS works the other way around. PTR record is stored in a special zone called . The owner of the IP address is usually the Internet Service Provider (ISP) and if you want to add a PTR record to your IP address, you need to contact your ISP. Wait.

What are some examples of DNS records?

The most common types of records stored in the DNS database are for Start of Authority (SOA), IP addresses (A and AAAA), SMTP mail exchangers (MX), name servers (NS), pointers for reverse DNS lookups (PTR), and domain name aliases ( CNAME ).

What does DNS records mean?

DNS Record. Definition – What does DNS Record mean? A DNS record is a database record used to map a URL to an IP address. DNS records are stored in DNS servers and work to help users connect their websites to the outside world.

What is DNS pointer record?

A DNS pointer is a record in DNS that points a domain name to an IP address (an A record, or an AAAA record for IPv6 addresses) or to another domain name (a CNAME record).

What is Domain Name Records?

Type of resource record in the Domain Name System (DNS) A Canonical Name record (abbreviated as CNAME record) is a type of resource record in the Domain Name System (DNS) which maps one domain name (an alias) to another (the Canonical Name.)