DKIM Record Checker
DKIM signs outgoing emails. Receivers verify the signature using a public key in DNS.
DKIM lives on <selector>._domainkey.<domain>. If selector is empty, we try common ones.
Result for chubbyporn.biz
Found
Selector: default
(TXT on default._domainkey.chubbyporn.biz)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtJRipeeTOLzsV850hafHHWKGnojTjM1aYNnd7T+RdhuiKq8FpSv7lM6J8r+s/S3Y2A/Nt1o7htqq7M3f97pHV10tn+KqqUN1s5Kn703+Y/UDJ7XuzwesrknoY8JVovzI+NHiLGKR3p0jAg8MMoDnKsmEokwfoC9aOwQs01PQOe5OqdEckYUgGXNss7UbARsLtapFh9DYiT74TOHyqNnO4x+lFvgo2HpE9T1fjieD/9jd32VwjIIc609K8iXS2nUgNgfc4xy+fPinpa5P+TH3eYHawzzUKD7h85HekmIP4LGrL1XhuVGxvqnww2ZSjOKXB44L8wHSKeg6NB17mHhpbQIDAQAB;
FAQ
Why does DKIM require a selector?
Selectors allow rotating keys and running multiple keys per domain.
Where is DKIM published?
TXT on <selector>._domainkey.<domain>.
DKIM record exists but emails still fail DKIM?
Signing may be disabled or the selector used in email differs from DNS.
Do I need DKIM if I have SPF?
Yes, many providers use both for best deliverability and DMARC alignment.
Can I have multiple DKIM selectors?
Yes, that is common for key rotation or multiple senders.
What is DKIM?
DKIM (DomainKeys Identified Mail) adds a cryptographic signature to outgoing emails. DNS stores a public key that allows receivers to verify authenticity.
Example
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0B...
Common mistakes
- Wrong selector (the record exists but under a different selector).
- Key is split incorrectly across multiple TXT chunks (some DNS UIs break it).
- Publishing DKIM but not enabling signing on the mail provider.