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 adcentiveswest.com
Found
Selector: selector1
(TXT on selector1._domainkey.adcentiveswest.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwL0iTgDbKzfE8B+388mqXgFcaoJQM0m8iv9sKBJwj7JK9pUjtA1GW36G/TqE+oK9qYIcoTO2pc2QmxJBDgXJaUbYCnDdZRTor4tj64YaxD9a0jlEd5nHhIs7PsxXLGPaBf3f4g0SvIjQqpcA9Inl3kHlVJ8GxyU/NTNMq8PVMZsQBrUFfz2VhpDUWem1Cj539D5EoLmw/X67Rfk+kzWlnbbw6gZllXLYBu3WNDHO4Hr+4xoByU6pg/JfLYPCgb5d0X2gCob9dDY+ZMc33JnYR2oCw2si/sAVVNs8CvWH4mDPYTas7bulO85C1JMZbZQR7NbT9CBQHNx8PGUKT+w5OQIDAQAB;
Selector: selector2
(TXT on selector2._domainkey.adcentiveswest.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm3+xGvW6Dqnz8PrP7krlC3VtEwF4XDPpEksbGgzH1Cl7cv9by9a8zeMSV39vaQLFZYNyI/avndfFsSQF4/yESqobwEyeEvkYB0/ankO0fxtJeJzZZD4gZxty2rJJcMHv6aYe8rXklqIn4WimrWq5lCvtP4Dc/p2xSgmlML/tMHmg6C8Ne29wHkave2yvRusvJ6xe7BGOR3xAdgzkW/bif5OuM/ybnIdep41VJvDNPO7f5V3B9rh1GWQUDb/WCfyTv+od6RhjV4tX4wRPCZrtKYSddXOeJmXcvUtLRKFUv9WjDos3YLEe36g1KkedJ908nzgPN6aJ+zFZc1UJ1EBlJQIDAQAB;
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.