DNS Records Flashcards

1
Q

The record that holds the IPV4 address of a domain

A

A

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2
Q

The record that contains the IPv6 address for a domain (as opposed to A records, which list the IPv4 address)

A

AAAA

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3
Q

Forwards one domain or subdomain to another domain, does NOT provide an IP address

A

CNAME, Canonical Name

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4
Q

Directs mail to an email server

A

MX, mail exchange

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5
Q

Lets an admin store text notes in the record. These records are often used for email security.

A

TXT

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6
Q

Stores the name server for a DNS entry.

A

NS

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7
Q

Stores admin information about a domain

A

SOA, start of authority

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8
Q

Specifies a port for specific services

A

SRV

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9
Q

Provides a domain name in reverse-lookup

A

PTR, pointer

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10
Q

3 DNS TXT records:

A

SPF (Sender Policy Framework) TXT records list all the servers that are authorized to send email messages from a domain.

DKIM (Domain Keys Identified Mail) records: DKIM works by digitally signing each email using a public-private key pair.

DMARC (Domain Message Authentication, Reporting, and Conformance) records: A DMARC TXT record references the domain’s SPF and DKIM policies.

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