Network

DNS Record Types Reference

Reference table of DNS record types with descriptions and examples. Search by type ( MX , TXT ), description, or use case.

16 records

AIPv4 address mapping

Maps domain to IPv4 address

example.com. A 93.184.216.34

AAAAIPv6 address mapping

Maps domain to IPv6 address

example.com. AAAA 2606:2800::1

CNAMECanonical name alias

Alias one domain to another

www.example.com. CNAME example.com.

MXMail exchange

Routes email to mail servers

example.com. MX 10 mail.example.com.

NSName server

Delegates DNS zone to name servers

example.com. NS ns1.example.com.

TXTText record

SPF, DKIM, domain verification

example.com. TXT "v=spf1 include:_spf.example.com ~all"

SOAStart of authority

Zone authority information

example.com. SOA ns1.example.com. admin.example.com. 2024010101 3600 900 604800 86400

PTRReverse DNS pointer

Maps IP to domain (reverse DNS)

34.216.184.93.in-addr.arpa. PTR example.com.

SRVService locator

Locates services (SIP, XMPP, etc.)

_http._tcp.example.com. SRV 10 20 80 web.example.com.

CAACertification Authority Authorization

Specifies allowed SSL/TLS CAs

example.com. CAA 0 issue "letsencrypt.org"

DKIMDomainKeys Identified Mail

Email authentication signature

selector._domainkey.example.com. TXT "v=DKIM1; k=rsa; p=..."

DMARCDomain-based Message Auth

Email policy and reporting

_dmarc.example.com. TXT "v=DMARC1; p=reject; rua=mailto:[email protected]"

SPFSender Policy Framework

Specifies authorized mail senders

example.com. TXT "v=spf1 mx a include:_spf.google.com ~all"

TLSATLS Authentication

DANE - associate TLS cert with domain

_443._tcp.example.com. TLSA 3 1 1 ...

NAPTRName Authority Pointer

DDDS applications, VoIP

example.com. NAPTR 100 10 "u" "E2U+sip" "!^.*$!sip:[email protected]!i" .

ALIASRoot domain alias (proprietary)

CNAME-like for apex domains

example.com. ALIAS example.netlify.com.