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 urbantrade.biz
Found
Selector: default
(TXT on default._domainkey.urbantrade.biz)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA72xRL5UTObhhxUfcg6hpec0ynZn8Z/m8cUAZEon288r1pDQXYc+6dWLFsgqIA7RNyYXF7ld7aS1D5OdZHKfZE4y2NBLJSD+nwxBAdBfHq/ZUlCYm+QW7um/lLdmJ6OBSpKuGcGoX+K96ZOe+aTZWsWrGoTFxk0KzDtXl6gr+GVJ+75Icn9p6XesHAtXej8iNn1uGsIAnArN6jpUkSnZWUiMAc6LMUNsdxm6UVUWmsLLvcVT/17QTbakD0LNKDKAlxsYYuPMIW/N04fmHGDJNL1QIpoJ3J/moP7B+kUWGFWvVzzlCzbqGd40UaR4V1R+QS/kBioXwlHcey3C8gedxzwIDAQAB;
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.