DKIM Record Checker

Look up and validate DKIM DNS records. Enter a domain and selector to check the DKIM TXT record.

Lookup DKIM Record

Lookup domain: selector._domainkey.domain

Common Selectors to Try

About DKIM

DKIM (DomainKeys Identified Mail) uses public-key cryptography to sign email messages. The sending server signs with a private key, and the receiving server verifies using the public key published in DNS.

Record location: selector._domainkey.domain (TXT record)

Key fields:

v= Version (DKIM1) | k= Key type (rsa) | p= Public key (base64) | t= Flags (y=testing, s=strict) | h= Hash algorithms | s= Service type | n= Notes

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