DNS Records

Question 1

[DNS Records]
What is an ‘MX record’?

Answer 1

Specifies what server will receive emails for a domain.
Directs mail traffic to the correct server

Question 2

[DNS Records]
What is an ‘A record’?

Answer 2

Maps a domain name to an IPv4 address

Question 3

[DNS Records]
What is a ‘CName record’?

Answer 3

Creates an alias domain that points to another domain

Question 4

[DNS Records]
What is a ‘PTR record’?

Answer 4

Used for reverse DNS lookups; mapping an IP address to a domain.

$ nslookup [IP Address]

Question 5

[DNS Records]
What is a AAAA (quad-A) record?

Answer 5

Maps a domain name to an IPv6 address