DNS Config

Question 1

What does an A record do?

Answer 1

It maps a domain name to an IPv4 address.

Question 2

What does an AAAA record do?

Answer 2

It maps a domain name to an IPv6 address.

Question 3

What is the purpose of a Mail Exchanger record (MX)?

Answer 3

It determines the host name for the mail server.

Question 4

What type of information do Text records (TXT) store?

Answer 4

Human-readable text information for authentication, security, and verification.

Question 5

What is the purpose of Domain Keys Identified Mail (DKIM)?

Answer 5

It adds a digital signature to outgoing emails to verify their authenticity.

Question 6

What does DMARC stand for?

Answer 6

Domain-based Message Authentication, Reporting, and Conformance.

Question 7

What does DMARC define?

Answer 7

It defines how to handle emails that fail SPF and DKIM checks.

Question 8

What is CNAME?

Answer 8

Creates an alias for a domain

Question 9

What does NS do?

Answer 9

Tell the internet which DNS server is responsible for a domain

Question 10

SPF

Answer 10

DNS record that allows domain owners to specify which email servers are authorized to send emails on their behalf