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 4-ea.com
Found
Selector: default
(TXT on default._domainkey.4-ea.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm2HjfUIevHtqEaE1NGefY/TOdBwbrK+1Yv6H00AsIxG0kSeXRrBj9d3OA5l+PNjEoo8wjtYOacRxjvH82TO7xLD6PhEK3JME9qM4s5hyZ/Uf6zTFvbi00BCg36C5y/Ot2ylYwxGmNIS+NvuIE0kx0g2GlEeWhzoGJ1HzUfoGKhlzDETDGUyif2SpJCFSSwLWxQPxW4Ai06TMFhXdJX/KCFgAnB7ENdCrentquapW2ZpMk9wIqYG7T7Kb7xQhZvc2b1+gS+FzprmaGskhnvOmtquUZJEjsiAt46Zyg3tygRH+UtgYtFUiLYf5T8Ua1D5L713dpf3gnpnFrOG40QHjHQIDAQAB;
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.