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 dailymail.co.uk
Found
Selector: selector1
(TXT on selector1._domainkey.dailymail.co.uk)
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCyLS44ITqW/jvdwDwfTsoMG04R3aS+UWBPcg/mKaGcKgnQWxsll7vfOc6dNKMjVsmkWgpWU4iILSGeZnCxO/V+K5pcavlEYjW4D9zUvK/bNtbOg7rCXvnkS8dF7OI5UXh9e/b4+AKlXrduQrfVONmob6nmhL04YIFZfFX5FpQc0wIDAQAB; n=1024,1455855638,1471580438
Selector: selector2
(TXT on selector2._domainkey.dailymail.co.uk)
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTm32tbWWAYHaX00DhuITtsNQr0aZjmsnnfVvEITYoizwe2IzAUvId03OlesBvHoHeXCIy/FliDHCG/Xwg6k+2NasVKlKx/UJCwvclDB5iYL3VGdiT1P5HAl158ufo8iPuz7nnp0eOtRA8ZJR8kTzZkMygrFZKU0tNnFUR3BOauQIDAQAB; n=1024,1455855639,1
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.