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 diamondreels.com
Found
Selector: selector1
(TXT on selector1._domainkey.diamondreels.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqBHPaBx+/dCt/aeTClM/i2jPSmZWBv99A2oA1xww0uL1fEePKjlZeHt2uKZNVAhMf8hy5lhHITG1TkvrDvVhmksZOHtdcBSAPCcsJGa76VGSTVBitmLbFw08oa/k427x0dTSz+1mXi6i9N0prMGp3l5GzdzyGv3Uc8Y9TwA3kZ9zTYEQriAENYveZBH5B2FujXlpI51Rqrofg8hpRfbcqm7XxEK3Kp/xaN/wbTWdjOMfxTY48L610sgoxCXhngNDY4RBRBTFAUSWSmG0miCHjlO8jogtcc/YLOZl1JSTmLBlv3mKg6O96pi/weX3U3pEyJm99wav+K82TkCFpQmpzQIDAQAB;
Selector: selector2
(TXT on selector2._domainkey.diamondreels.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0USigNMDRQCVwC03ycgTurnX3vVG+ldaAM2/Dwddpz9u4ha7ORoRr0lWsxrLXVStykiJ0dbIm0JLF2++QryvI96X7gOsjKb6qWRkmczsmwtCvgGJhbjnYOFNBxSZ4j9Y2N5F/I5o7k2DPbaOoBQhMT8cd92Tw84po1vXvH7qNIrfZDR2NULi9+F1k+0VGdbQaDveGpzaONcpNbvG/cEt+VbX1UVx5VIJH1iShzYkLvdzNxr4QbvlT6j650SKbuM2eh1JgdTRcd/VP/JA7DC7F+yg3ec3eXQrvnHxJ4Veyf+NxsxST4RKe1vN8OtB2KESsOY+bgUdP5gvXLUzv6A+FQIDAQAB;
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.