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 adobe.com
Found
Selector: default
(TXT on default._domainkey.adobe.com)
v=DKIM1;h=sha256;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1FVDOjxJxBL/vH0j/veO9FfKGACgm96rEjFOPFSZ6XSw2S6I2Wbf1Z58H40kTznfkLp5lK9rAfc0xnht/CoEKOGaoWw0vdFZL6XXP9BnS/AmizWLenKTZ1ZyCc/2UtaPki7tGX8rCCaKJLW4W7388lnVgAVOU0wje8o7RLPTKhoQrKIJwgzWLkvoIrZli+1ZJ5l468yea/OzagwFjOqGOKYUpqsWs2Wh+MjHSBNffuAdiiemmXwG5BaKa72vZXm8hWEEHJ2vqmN0vL6hedczJpBuq3s4gFliU8LW/AJ6fIX+RpILwFq+GRimcfvun7OlJumyL7y8qVdqWs2y8IwqwIDAQAB
Selector: selector2
(TXT on selector2._domainkey.adobe.com)
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDZKv7DDaVLGXKWmz8rmfEPpTk48dX71OCW6WAYdgpiE0rRpEfCTbVbXvfqkp25ZzhLxt672jjrZmnGA/YIiu/Sf9Qz37Nku0yaCFlBqPMRgWlI+8QADe2rwkJ+YC141eGdHBhz3mlXa6wffvIPbORSm1QKZg+BbaTZYU0tAwopMwIDAQAB;
Selector: google
(TXT on google._domainkey.adobe.com)
v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiVEIHhmG6ZUeUOgabJUCHmtHSZC2hkR/Fn9DNB+jDgUO2FGiIUHfbxnW1k1/eNzu1HSprJhxlHX4aP/WeL+3/qUOFzCCgEr2C7yMptyVI3PBeSflWGsRoJqg9yV8H2MdioymxMWFANpQDsST4RvL5oDdUyKbNlbBLAkuqJzfvHGZxqpT+B51VHdyrWFoHlIOx6y1JM61zBxCG43nYDynoMVzUY03KDDswjlkzQ+sVXymUv9QoZoFArkdafioLdSQImJi0GOMLfTH1u1q5MPzeJTksv47XCNv1KDXh7UdgCjYTb7XTxcOJbYdbSksEv2/3odhEa/aud+FxVsnPwXS0QIDAQAB
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.