302 study

Types of Resource Record

1, SOA start of authority: created one SOA when created one master zone file

2, A record: for each ip address of the machine (AAAA record for ipv6 address)

3, C name: alias name of a host name registered in A record

4, D name: for ipv6

5,HINFO: host information (OS, hardware) for DNS servers

6, MX(mail exchanger), mail system for a given domain

7,PTR (pointer), associate hostname with a give ip address, used for reverse name lookups.

8,NS (name server ) for a given zone

etc.

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