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 nexora.com
Found
Selector: selector1
(TXT on selector1._domainkey.nexora.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv5QnFxmMJnS9Ufw3X9AQ2a6FgUL36g8RVcGp0+ZfToCRRQ0K2x0NEQLrpZ1xSCGxb0qif+TTEIqJuloRvtc0pASV/11svfEPbLT/OkZM2cPvWWgvhQ4URn6KS4KKh/bw3kz+H+TAi0ijK/fuAv7cnWzrHfVIarhVgX+kG6CHZZUBjdxL1+g7kQ9PG6/YdUAcVFkIT6RNTzEgOjsItsENfCTK207YoZAkpt9UnfX1bjz4LDJuQNSiYtD48dC29c+zE+KV8LqvEKMjdTgdW4NQ9YmWzuTEFjc/yk/lqd9km+6QEgrUNe6SWceUVhn4rr/rYy1Fbq8cYzhP38Q7f8UdnQIDAQAB;
Selector: selector2
(TXT on selector2._domainkey.nexora.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzsgcVfKbDzOSuVcwzd6dceTxb1xe4koSRUOEa0pLEqUNXF3WXOOOSl0asRQ3kSXGEpdMG/m5wZbEeH/3Mg245AsFY/57qPmWPPhm3bQq0dCul9oxclbweZNQyNW1YBQwDdFuUtlSuSB+nbZt87WCvsWHzB+xKResgtW/5iZQ93AMGYFKhtfBkMTHCzfB+zH/mko3pNuaAFj4SmPUA+1mpfyaABHzx+c9D/awpV72EwgZ3phyASwB8/Dkg4Y012LQuordfTMEZ2w8sgeowCk85xKBOkyDUF3g9V1Le916RJo+e4FvoJAVmaktU7U7J4PkXOTcI7SSW+qc1EwTB4n+0QIDAQAB;
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.