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 jaytraders.biz
Found
Selector: default
(TXT on default._domainkey.jaytraders.biz)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwrEUqpjv7WBwpPVe3Gn3a/rR9UwsZ48EiDGSJi/XcbxKirwHPXg7n2kDzb6P8dSUyvPZhzPwp8+N1dzmkwh0R68PXgPSouou2NzI+b80axhQmG90prbcEawQcEfOF6Ce3WFxfcDplGuesTOmg9qrMCvI3LdIHNJd4QfrdBoCl/K8vea7sruZGwA5LDa0Gn5G9 nDxe2sI7Ak3S6QWC3lmo4CNHikEABAAdKGp+WkvSf2fxmXkto+AvzwRFkrOy7IbtSzI8buHIZEJ85F3QtJiu+FrOPi4kpbMIN4+dwM0HAyH8Zyy/Jz0xwra6mrfScC5i9yYU0ahGfcHaW1mOhCU5QIDAQAB;
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.