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NS Record (name Server): - Identifies the DNS Server for each zone.

A record (IPV4 address): - It resolves the host name to IP address. This record is available at forward
lookup zone file only.
AAAA (IPv6 address): - Maps a hostname to an IPv6 address.

PTR Record (pointer): - It resolves the IP address to hostname. This is available at reverse lookup zone
file only.

CNAME Record (Communication Name) :-It acting as an alias name to the particular system host
name

MX Records (Mail Exchange):- used by the Mail Server.

SRV (service):- Indicates which host to contact for specific services such as LDAP and Kerberos.

Requirements: -
Packages: -
Bind (Berkeley Internet Name Domain).

Port Number: -
DNS – 53

Configuration Files: -
1. /etc/named.conf
2. /etc/named.rfc1912.zones

Zone files location:-
/var/named/

Service: - named
Daemon: - named

S. Pradhan
(MCA, MBA-IT, BCA, CCNA, MCSA 2012, RHCE, ETHICAL HACKING)
Email Id:-spradhan.iiht@gmail.com
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