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 tradeade.com
Found
Selector: selector1
(TXT on selector1._domainkey.tradeade.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxF2Lv9I9j+rLSGvROBlraZP1DpgQI1Z622dpaWuFbWyuEan4t9PegBoWmT6LOCeGGChhe20M9MBCuv86QtjDEQm1u622W/uRgkWKnr6Ax7DvLAROkZbe/3tdP1jmZzHX4x/4gyBRN0D0p6jJy2RaEwVou96ISTNDRMsIx3U740boWUHxtz4e6tZRvTuC8PNzLr2FMMMbGWstYWneCo42uEuertWHvdjjQScZNsAriJMhFi5fKRJckcykEZeuvKJpuX5k9fryfILq3CwNxCzbqjgffceR54UiJFeE8MeTEOx5OewgfJWacxW9nFKGfsFwtXmn9hr4LQvok0XGvpyUhQIDAQAB;
Selector: selector2
(TXT on selector2._domainkey.tradeade.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5D2l7uIuLqSyVM/NAG2Dqr44NSghJZQef1lLxbeljK1A1UYB3PdkYi+TlXN7LViX8sFvMpbvlM6+j3sNxcczTPh6Srz6TM5ohKpT6iUMdsRlyUMY1T7D2cuSer5h1lFoQXnYrBliz4PRS+C7XHg244hAJ0LzUenAlZK1H9+wD1DsrTVeyHUqF8N2BGm/KKDBHOL8oHGH3egz3BgVlia+K20VsN0RgvQSTeq/O2I66sMrm1qb4KF6oEeak3aMPjiH4zd7JmbqCwPaMjEq1YQ1rfLAUU/19b+zkgDefZxX0Z3Vz2DIH63mJdOSSIL3MtCTCx6+VIMG1zKW96xcD6pP+QIDAQAB;
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.