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 delightedblog.com
Found
Selector: google
(TXT on google._domainkey.delightedblog.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtKOZ1k/Pj1JP0VS7ZGDtT9d4zkUCrrJRCpUXTi1HpqQqsN9kEbsksZGe2+u8sYdTzKYIHI0YYcv7jyd+/pDqnVvRuu2ZNKzwG/LrJBCie3py3HOYpkY90QO3gb5rUUWXXb/r/Ple9W2Mqay0fVwsqk3/k6x1oXpwBVJ/XnKHHyP1NkFzZLt13XJT7NgacTJ2zFiKzzYRmzh/3YCzxrB0L/y5h+cb8zaL91w8HR3W9p97JHm9wm5TXrg8rKllfhxyNk/yAuSj1BlmvXyKKvBMypFg9SFACTs2W7TCG5n0kWpaayAp6A/91Kscw2r8hyLwzTOiqYCjWF87cimObod+swIDAQAB
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.