| DNS Record Overview | |
| A Record: | Address record maps a hostname to a 32-bit IPv4 address. |
| AAAA record: | AAAA record IPv6 address record maps a hostname to a 128-bit IPv6 address. |
| CNAME record: | Canonical name record is an alias of one name to another. |
| MX record: | Mail exchange record maps a domain name to a list of mail exchange servers for that domain. |
| PTR record: | Pointer record maps an IPv4 address to the canonical name for that host.Setting up a PTR record for a hostname in the in-addr.arpa domain that corresponds to an IP address implements reverse DNS lookup for that address. |
| NS record: | Name server record maps a domain name to a list of DNS servers authoritative for that domain. |
| SOA Record: | Start of authority record specifies the DNS server providing authoritative information about an Internet domain. |
| SRV record: | It is a generalized service location record. |
| TXR record: | This record is used to implement the Sender Policy Framework. |