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 4shared.com
Found
Selector: google
(TXT on google._domainkey.4shared.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnJWwJSmUGKehFokB3Ofcq4cGWTd+zEKAh8n8oTh9W5Evsso9fUYGWmMknWUNKmtsUpMTDBpTOurcp4mPt2kvu7K2Tp6Tux6ibwyd7cfVsLqoqSlSW3+vy6V7TNC0GmepwkofOsqB8rD24cyHGwL+IKUopxXxXNyBEf99gn+kdC2noRLqrlfMCCt0B7wxg9g0dPFZetoN6rIsZtKNzYCxMTKCRGQsB0/oauwWErbep2V3FEMJxych1boxVlQQbslhzOKtT/ixWCioMeYKRg1vkPNx0J25h8DqvRVk0JZf1ZvQVijZtZL4FnAoacH0Pq8j0sOp/E0uj5LKdjPhZgWdeQIDAQAB
Selector: mail
(TXT on mail._domainkey.4shared.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArG3il93KU6mLLuVUc7vOFeT58uefFe9kOM+ab2adHSoAsIazKoYNitaQqlQurIFpqLoAMUKuCcd5mu50Fx7HU+dV8xIJIRNSAGvA5oHQ2W1OYhP4WEgWdgxg6tGDHXDikFSLgwTVA2Z3ihUaNxIXJYS4ijdrw8RKA6C/pfi10oE3bIfs6NH5t4QBnC6aGTkiS/xzYoZ5V4sArAnH4PKT28iW/w5NrrdY2CKi+PbVlxSKjKZrxUG3vKLJIV8Zf1Fmkf7AV7UL5myyiVoTvETwre8ZhwBXCvo92p//s+ZUw+yaiheHd1V1rjcqTsDFTWL8gMca5HRI35uIUBuuXu2maQIDAQAB
Selector: dkim
(TXT on dkim._domainkey.4shared.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxJBFcxF9mNTmg1A9xscSXszM1w3MWhLEE4JDuT0PeTgx6Hme7tEi76LUxNcnmU9b22YdNiO1KgWGHWKsL3tWjhQPpZuoBF2+ZGuJmcc6V38hn9hel9StGDLAXtVsttEOhLBl+u3PHPwLCDqHSxLar1eLHL06FiJbV0BcsU4QU0YeBxNLPRUkgMkHTwx8N0Ax93Yz8gCuCEjVL8UG2UnD06RujWD06+hueSlranNuGr8saBp1DD6PMOY1b683QLjfYXgVbJiUGQ42XTLqu66JshKzARCz9QrX3Wo/r4D451IQFhsyfK8yUQ2oAlKPXAOIDKuv0o2PECmWTIW+UKOqFwIDAQAB
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.