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 deutscheonlinecasinos.bet
Found
Selector: default
(TXT on default._domainkey.deutscheonlinecasinos.bet)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAve/YndwYo+v0GVk2MWf3rbHp6MXBgFdR8BAalx2HXmJvCC3fbYGkVnj8f763qQt6k8L/RNo/OV+xinLG5hApp3TAgc8p5VBdZZbOKkjTv5ghMyz+OCaToFtqAPLJgoaVKf23V4AvVWfF/uWqBoKvqJtJ/YyKDW3XqgN3zbCykumUKTmx8Ko/BOgiTIDVWbJk4sBXs+tDizr4hk6377sJfFCi1tUJaiiXdR4gCyO+dNrsF98lJeGDqVkX+tPe9n92GI8qvXNU/0U/LL9qHO1tOHKE+Fnnp6V6nUxMlpvv0v1wec4GIICG6LaMm3kphR5lJQWX7A+CagY0BXGKnj89/wIDAQAB;
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.