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 flowertrader.biz
Found
Selector: default
(TXT on default._domainkey.flowertrader.biz)
v=DKIM1; p=
Selector: selector1
(TXT on selector1._domainkey.flowertrader.biz)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvhgusYO06gMFMVpSNU47F/dWbYrDla0Dt3Fq4GplnP0CepDe7EfWvs0rhidse5uOMnsxhk/hwkl0lizP7xJDQsFVEM/L5cDfwOhklLvq4jBg91UJKHVWih/DTuVZmZoSxXpZnl73u+BRKbWUv4jABvd2J1fE86ZUAQVYm+mof+OsB44E391vKu4JbNwkzLPZuP8pxSIY5QuKkHqO500jrakbUWqG1xse+gDrvuevUm6LH0UziEMZeYn6V2BD/jhZAkfswlM1ZNCM7vEWQ3Uzp0ZsuTOprTMCoDkRGciUVonHO3q1WoaAS2/zPkdf3Z5Ju6jmLSIHdPQrzUWiEHzstQIDAQAB;
Selector: google
(TXT on google._domainkey.flowertrader.biz)
v=DKIM1; p=
Selector: mail
(TXT on mail._domainkey.flowertrader.biz)
v=DKIM1; p=
Selector: smtp
(TXT on smtp._domainkey.flowertrader.biz)
v=DKIM1; p=
Selector: dkim
(TXT on dkim._domainkey.flowertrader.biz)
v=DKIM1; p=
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.