DNS record types

Question 1

Address Record - map hostname to IPV4 address

Answer 1

A

Question 2

IPV6 Address Record

Answer 2

AAAA

Question 3

Canonical Name record, alias allowing multiple names to be assigned to same ip address.

Answer 3

CNAME

Question 4

Mail exchange record - domain name to email server

Answer 4

MX

Question 5

pointer record - points to a CNAME, typically used in reverse DNS lookup

Answer 5

PTR

Question 6

Start of authority - authoritative info about a DNS zone, (zone admin, pri name server, refresh timers)

Answer 6

SOA

Question 7

Text record - descriptive text, commonly used to carry attributes.

Answer 7

TXT

Question 8

Service Locator - specifies an ip address that is providing a specific service that isn’t a mail exchange.

Answer 8

SRV

Question 9

Name Server - directs DNS zone to use specific name servers, for security reasons.

Answer 9

NS