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 lenta.ru
Found
Selector: mail
(TXT on mail._domainkey.lenta.ru)
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMwemP+EO5lU1kj4vscZFTZXhJ9APsYq+cVa3dpi1eyu+zuSmMNYPHnDtysv6d29KhZswzlDrfX5WQOGT3JKkVsMOFNbPr5ft+dNgn0+lxxl0dRoxOVrUfrBZFZEGLVQoj2BSxn5V12/MYWLpnYEwv7miB3e4iZkafU2L5iNS83QIDAQAB
Selector: dkim
(TXT on dkim._domainkey.lenta.ru)
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC5/WOEkNTo1P7O2jNRYCJl5hdrx+7pOqalmAlvatBXEG+OE6Lujiuq/4dJ17UeKUC1TJ2k7wD9mqpb6ZpSuRa7qJG9PIJdea+dDhj4X+HJFiEy57t0t/L0a3rgCWwaob/Jb3TD2NO/PtRNsqrRx4lpckyT2CE3Fc1kVv7mNN2SFwIDAQAB
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.