dns records Flashcards
(28 cards)
What does A record stand for in DNS?
Address record
What is the purpose of an A record?
To map a domain name to an IPv4 address.
What does AAAA record stand for?
IPv6 address record
What is the main function of an AAAA record?
To map a domain name to an IPv6 address.
True or False: CNAME records can point to other CNAME records.
True
What does CNAME record stand for?
Canonical Name record
What is the purpose of a CNAME record?
To alias one domain name to another.
What does MX record stand for?
Mail Exchange record
What is the function of an MX record?
To specify the mail server responsible for receiving email on behalf of a domain.
What does TXT record stand for?
Text record
What is the use of a TXT record?
To hold arbitrary text data, often used for verification and security purposes.
What does NS record stand for?
Name Server record
What is the purpose of an NS record?
To specify the authoritative name servers for a domain.
What does PTR record stand for?
Pointer record
What is the function of a PTR record?
To map an IP address to a domain name, primarily used for reverse DNS lookups.
Fill in the blank: The __________ record is used to define the time-to-live for DNS entries.
SOA (Start of Authority)
What does SOA record stand for?
Start of Authority record
What information does an SOA record contain?
It contains administrative information about the domain, including the primary name server and email of the domain administrator.
What is the purpose of a SRV record?
To define the location of servers for specific services.
What does SPF stand for in the context of DNS records?
Sender Policy Framework
True or False: SPF records are a type of TXT record.
True
What does DKIM stand for?
DomainKeys Identified Mail
What is the purpose of a DKIM record?
To allow email senders to associate a domain name with an email message, providing a method for validating the authenticity of the message.
What does DMARC stand for?
Domain-based Message Authentication, Reporting & Conformance
