DNS Records Flashcards
1
Q
What is an A record?
A
address record. links a hostname to an IPv4 address.
2
Q
What is an AAAA record?
A
address record. links a hostname to an IPv6 address.
3
Q
what is a CNAME?
A
a canonical record. points a domain to another domain or subdomain.
4
Q
what is an MX?
A
mail exchange record. directs email to an email server.
5
Q
what is a TXT record?
A
a text record. adds text to the DNS.
6
Q
what other security measures can be added into a TXT record?
A
SPF, DKIM AND DMARC
7
Q
what is an NS record?
A
a nameserver record. indicates which DNS server has authority.
