DNS Flashcards
1
Q
What is DNS
A
A protocol that resolves hostnames to IPs
2
Q
What are the common record types
A
A
AAAA
CNAME
PTR
SOA
SRV
MX
TXT
Ns
3
Q
A
A
Hostnames to ipv4 address
4
Q
AAAA
A
Hostnames to ipv6 addresses
5
Q
CNAME
A
Alias of a domain to the main or canonical name
6
Q
MX
A
Mail exchange record- specifies the the server responsible for receiving email on the domains behalf
7
Q
TXT
A
Contains miscellaneous human information and computer readable information for SPF and DKIM 
8
Q
NS
A
Name sever - specifys the authoritative name server for the domain
9
Q
PTR
A
IP to host name
10
Q
SOA
A
State of authority record- specifys information about the dns zone like the primary name server, domain admins email and refresh times for the zone
11
Q
SRV
A
Specifiys hostname and port number for a specific service
12
Q
DNSSEC
A
