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 playnow.com
Found
Selector: selector1
(TXT on selector1._domainkey.playnow.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwJHRKMJ41qqP5PqEIajtyQn17q5agoow4RfJq6eY1X1r40qeJiRP4g2qTWBk4A/cifYZpsGkA48dMHH+1QBJHWkLv+JxVjHohBI/Ts2tBHNHuGxq5uA+IJg8Cr1HTv1sQjV2h47O8gACk7/m9gOxFhRGrKMT4RsB8FmOcszC26WbsE0GdzqKP3QX6vEMQm/brbLbywAgN7VRkFtBKxQKla6X67MIExsUcJ06YmOIAyC9hDSqXhAVFR1L1uHyNLf1dH/kTIjLB1/V0lxweTqfvyXUFCrA+Picj3sSuieQxJ1Jeu7Adlx0ptbxt/juMF+cIhSucgRTfoR/Xvqj69iCjQIDAQAB;
Selector: selector2
(TXT on selector2._domainkey.playnow.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtzHSc831zOsZP2Gf7uT59dG0ixlOyn3tIVsc1ko4rU8GLPstBqwZ36VFCYLSplBgg8AMPQT7i2mlxJDCrIe3fNKW/uH2HxD3+xzrR7IUwMOlfo1/CcheDM+e9M9o9Yyef3LwhZYi3TBVcm9KI/x/PGsepRVy3be1RMAbawa3jlSRJTjjRWQzk1XdEMlbNNA08DLeFBIm71S4vKS+8bTXyTtgR+yzIcS1MQRosgKeWPUqpL/T6wWBYBqFckiVG2RjNTzviDoW2T6AXKa+9t3k/j/BxBq3v2daTRqYt1wfROcDk5H5YgbDONP0fPWqK0lqLH0MmekmOYXhKfyJTOr/iQIDAQAB;
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.