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 regaltraders.biz
Found
Selector: default
(TXT on default._domainkey.regaltraders.biz)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2lao9tjVTNa4lQmhIFGe1Yy5ddS3JwQoCKl9MWF1OyqB79ZaWnBklY7eXf3lvqDyj6bfX9vtqi57n2cSiLPYh7WCX2rlvqzOa4EL9nFs099Vr3gH9iMsZO7gbqkx2Z81JEIjeNAdHA1BBSq3Od/tJCcnzgrl63FQk98SejTIizxR9x7dbX+L2lB4/C7YPHsv9tC8ooB7Td6ERuydoYR16MrM81VzsJrnD++rWGGZXoCroLcYrI/qZ/1ci8kVpdv0BhGemhs33MU8Jx2PbfiKcS7YqxAaZUjYEGHOaI8CToYnHtgdITn6Sai6J4TK4T0m35NsVv/UNWit/h4HTrArTwIDAQAB;
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.