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 spankbang.com
Found
Selector: selector1
(TXT on selector1._domainkey.spankbang.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwZJS072kuz2mdm0I5ZA3XFlGDZizndx3/QR/zuU1HOeWcPjfSfQOVuEM7CNA+bwwA9zb591o00jwuXohnTvWTtLUpxTHVce3Pq1bAY1ChMCe79gzhxtUCijB0LdJFQjQEYLNdcqNItqlGOWuXJYV8rIXwEX2LvnoRKlWVPLrXmomgpn1zHiQZAiqkXQne5CerGNMSms+i4f8ck7j5cb+qwR6Qd2On8vgYh04t88l5Rx1vNVfSTx5/KXcIp1ldiXnpzx4UDyRwV0Bi4sUoC1oq6TaZIjBxHViCzMRbbh4WRR6df5fXNREkb7rk0xwL3Ef+c7FuFAcazeH0869oDFZhQIDAQAB;
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.