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 agoda.com
Found
Selector: selector1
(TXT on selector1._domainkey.agoda.com)
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDaJn9aRvd4En28GBN6JWZ1Xqwxgj3SAlJETSg56wBP+tO+u6b4zSc6H73LxcXGFTLvYpRxTHWgj1r5LLZMOkBdF5JbDf2CfSN3uX+Z6Xk8VXv93e3lTfUbJLDl3A7NiKyqJ1rS2vBwh/zVEdbdhAHwARlj5yIipZ3h9f/svhpCSQIDAQAB; n=1024,1475872917,1491597717
Selector: selector2
(TXT on selector2._domainkey.agoda.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx1S+XRjIkO3z/ucf5nQ8gVNQ2nDmTpWALtWiQpFAxc+PkPaVvAFMUCbj0E8YMjHGvgsJcsLqecmTs9DXDb1EDSzbg2jpecqOWHOy4Gpe5Rmb9oHFvEMaOINCeAxcyeEnn/WDffgC0v2ng81WKkUh6Ll47JLHyJFNPkbsJ7U7CL2aSuRKreG40KpX3i5yAfdYpoGxQExGTspI2+5MLJ02RnXOTrCSemaOXdeOlJ/UpwVTLOyjExDT5gM7A52LoQaGIqLINVT8bDCRSRkvt6UDHzMJ1nZyoKy0W9gDGu5DGt9Pvw3dmqgNFDo3jcv1N10uZhu5TGYyXhHWX8jrUC0UuQIDAQAB;
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.