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DNS lookup tool

Look up A, AAAA, CNAME, NS, MX, SOA, TXT, SPF, DKIM, DMARC & CAA records — free, fast, and no signup required.

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About DNS Records

DNS (Domain Name System) records map domain names to the servers and services that power them.

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A
Address
Maps a hostname to an IPv4 address
router
AAAA
IPv6 Address
Maps a hostname to an IPv6 address
link
CNAME
Canonical Name
Alias from one hostname to another
dns
NS
Name Server
Authoritative nameservers for the zone
mail
MX
Mail Exchange
Mail servers (with priority) for mail
info
SOA
Start of Authority
Zone administrative metadata
description
TXT
Text
Arbitrary text for verification & policy
shield
SPF
Sender Policy
Authorized mail senders (in TXT)
key
DKIM
DomainKeys
Email signing public keys
policy
DMARC
DMARC
Email auth & reporting policy
verified_user
CAA
Cert Authority
Authorized SSL/TLS issuers
swap_horiz
PTR
Pointer
Reverse DNS — IP back to hostname