DNS Flashcards
1
Q
What’s DNS ?
A
Domain Name Service
2
Q
What does a DNS do ?
A
Maps a fully qualified domain name (FQDN) to an ip address
Eg www.itpro.tv = 52.85.86.86
3
Q
What is the purpose of DNS ?
A
it makes navigating of the internet easier for human beings
4
Q
What is the process which DNS resolver’s find a web address ?
A
5
Q
What is an A record ?
A
It is used for IP address lookup
6
Q
What is a AAAA record ?
A
it is used for IPV6 address lookup
7
Q
What is a cname record ?
A
it is used as an alias to point to other websites
8
Q
What is a PTR record ?
A
It is used for reverse lookups
9
Q
What is a SOA record ?
A
It is important for zone transfers
10
Q
What is a TXT record ?
A
It is used as a place to store readable notes
11
Q
What is a NS record ?
A
It indicates the authoratative DNS server
12
Q
A
