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 digitaltrends.com
Found
Selector: selector1
(TXT on selector1._domainkey.digitaltrends.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5Kx0JagA6RKj+tYztNPmxnL2U083AU1pJu+K3A/Ah1cqT9ZBWluZAhmOqLdV26W8AMhxGleThyjQ67hT3uJ06fBmRW4h1ZzK+GlG5yKR0sDOYXjv7xuOwqIgfzFWtMMvAmJQdBiOR+XXJ/CoH0vAPkF9OfYr/vdNPDO0cL+WERGSXEOHiSLHcGi0ca6VcawyeLg0e79t9pRdW19wjfeCRVNe0Sd9ljXZHZ2o9c8kCzg6RB+HdZ7BtqVHVrmmKlcLW7Bu+LghBblLb4Zfe1tKBy+1s58droqSXvUzFRaAg7tFY0iKS4o9IGr8z7yT7bMlCq7RxUjs5TfOvZoVswFpiQIDAQAB;
Selector: selector2
(TXT on selector2._domainkey.digitaltrends.com)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArs+AhiViKCKKnU2FlzzCGJVgRoMW+qH3i+Kk5aTToN6siM6LYiK2HbamtL1xQaJ5j5lkvQg8JVp4w4LzYyvdO8xsaZcsoiB78nC8WcRSECdvjc5mt1aWhcC2j34d/kTNA9Qn5KiyiE+H4Ui8iiNhhY4oQURLbXseKbR0yghH4IrGP9Ek06FeiwFEv/PkNOqnVFk95qu9gp9NlUP1o+eSXCUbXHYa7In2LNb1E6ptyBA/JsBON6N0AxYFrb1rr2nFcc4XYcawR6isOlqXG2RhlisS7hzbuavVwparU9QfYsMJ20UrNWPlUBlMKqMCHe1um9zejnl96FsTLMafVdA2iQIDAQAB;
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.