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 espacejeux.com
Found
Selector: selector1
(TXT on selector1._domainkey.espacejeux.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtLc4VLb78oHZETbezmPmt3XSOfelHZFX24n9BmqRdMMF5N3pIpfiqy+ZF29l9ZKm0JW9pGN1OFsv1JCKP7KIiW5KswIlzoAaMuSBfulKYssiNYq3CB6zcaQDAPhF1m6tbVkp8YQkRTCqmLL3AYVmYwcw//Zx6nSdEbb1QC49RdySWlukq9NJyEoVu+wJLOwzborjO/W34H6rQaHoXAsKYAEOvmEQsjqN4kLFxIRcnVj4kQxqq1QfVWj5BrZXZS1UC7WKyGPjQsBEx6U1Yow2svkoNgR0FDXZvfqUQmPwA+on+GTX5fvsJtDqqdiKz/yVr6N9rT8sbc9qeFPC84EM8QIDAQAB;
Selector: dkim
(TXT on dkim._domainkey.espacejeux.com)
v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu2gAtnNzEfzNxLKMcfPJuuFoocS/mMTkSMoCz0ClygNC7Ojqc3aXw1GW+NAIGO9M62EX+lfWTt+/4Eksdn7NovdR0FbjfDOrTlVAeaePwXB1S/kNBpOEk/4vTDYW3oam2uSm2GTMiQRMlj1vYKx/wG5jAjHyWNMblyOTYXsSd3iz4vjGEDsZMZplaAZX+Tkx3eAsCoDAPLEmsOFhLIm570WCAYwtXErPMhR6XcDzKpleN7f9koc5zcupX/pHalnWsIHTdSEcrJ9NNkXE9ZOllTz/9cjkZJu28UN/XRczjfrF6zuuBm+QkY2qHxU9edT3YUM1CqX6terkmxGUxVOLtwIDAQAB
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.