Attribute of DNS (Domain Name System)

Attribute of DNS (Domain Name System) :

Attributes :

1.SOA : 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 to refreshing the zone.

Information result related with SOA :

2. MNAME : FQDN of the machine from which the resource records originated.

3. RNAME : Email address of the administrative contain for this domain. serial:    

                      Serial # of this revision of the requested domain.

4. REFRESH : Refresh interval (seconds) secondary name servers should use when  updating remote copies of this domain.

5. RETRY : Length of time (seconds) to wait after a failed refresh before making a second attempt.

6. EXPIRE : Maximum length of time (seconds) a secondary DNS server should retain remote copies of the zone data without a successful refresh before discarding.

7. MINIMUM TTL: Minimum length of time (seconds) a client can continue to use a DNS resolution before it should request a new resolution from the server. Can be overridden by individual resource records.

8. NS : Delegates a DNS zone to use the given authoritative name servers.

Information result related with NS :

9.TARGET : FQDN of the name server which is authoritative for the hostname.

A : Returns a 32-bit IPv4 address, most commonly used to map hostnames to an IP address of the host, but also used for DNSBLs, storing subnet masks in RFC 1101, etc.

Information result related with A :

10.IP: An IPv4 addresses in dotted decimal notation.

AAAA : Same with A, but Returns a 128-bit IPv6 address.

Information result related with AAAA :

11. IPV6 : An IPv4 addresses consist of eight groups of four hexadecimal digits separated by colons.

12. MX : Maps a domain name to a list of message transfer agents for that domain.

Information result related with MX :

13. TARGET : FQDN of the mail exchanger.

14. PRI: Priority of mail exchanger. Lower numbers indicate greater priority.

Others

15. TTL : Time To Live remaining for this record. This will not equal the record's original ttl, but will rather equal the original ttl minus whatever length of time has passed since the authoritative name server was queried.