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 svenskaspel.se

Found
Selector: selector1 (TXT on selector1._domainkey.svenskaspel.se)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4TYYdxy+7gnmDC7SiOA3wU5KCcpqDSB7laolwHNyiSrBSP8YjymCz3PYpu+bwP5LKHNFs0iKk5+S9gm9R1JGSl3tSpmXd0qxZjo1RE1unNVz0bfCAudV1g9pKFmI6ll8+bxEkLCXF1DbKEnuCF4s+Zd842k2dAWn6tYuIkoyTlFdgnbpMc4uZ9UAdsCUCLx+rlqjq6NQgyRvQGrW47KXmozBAqW2WBPyDRkm7MZWPZ+TTx2+XyXB4IeWw1SmtV7YAJUAmkrXRMhJL/BSkQTD6PRjb/O0mBdHo6dX1dtAijV727fsQzA2hZ9CB3uF2fgiVC2btwv0rwp0MFJGwsGQUQIDAQAB;
Selector: selector2 (TXT on selector2._domainkey.svenskaspel.se)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtq9PYvjRUwE1Vw6HjKzrpWpPoWVWqQJfk4DSv0wO/jw7Tf7yt3YVsia5IhmPUB3Rzgv8ft9kSryNLEWrKX8FCWhs6GPDdWA3ZHNuNWMJgYePDo4MAy5ULW26ZFepthPNLBdDVUFkpqwgYyJCD40AxTKXRtfj+glgKZoFXDylLbxWYBlQTnnUFnFdkRZAGmUXdsHxwZZP+Bmgde0FuxVHXPXgGhWks5Unq5shkUPFXC+oMQjqD1hoi4e7/ZlB5m+GhFHbvkvdTGoTloOzGQkZEa9yHc1yT80QOWZfoVfVsdSZT0/8hD7T2ICcbN51N/Y+ZLrQkkqPStJpFzUPArqR1QIDAQAB;
Selector: dkim (TXT on dkim._domainkey.svenskaspel.se)
v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxjQrRHod5VQ5Cvbdoofg7Vezv5ESeReE7nGYB2/8lR8VckoY8qs3Bb97PgTf5B6rEc0ENbQwEO4zXGO6WA5600/6Kmrh8vm0yuBWv2KMrx7pckft5hO9vG10+Et7MMWO0VIkDmuGvW0XU/D27iZo9nG7/RIyKe/NH8r9y6+T1Jyh52NvknBbFdVCru0YGoBRz6j8T5Dm8cZePZwasb8J2atvSrADQ9SIrDP1cMGvuy48rlKexD/CdvWXINyQKp70ZIHlXemWZDDfxGM5ESnQVxuNsVumSwYL64hqr4aCIlHskZT5Dm8agVh6+NZLWUJHVdjJdqegX5xIgsC2SLGvXQIDAQAB

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.