Network Tools
Check a DKIM TXT record for a selector and domain.
Use this DKIM Record Checker to look up a DKIM DNS record using a selector and domain. It is useful for email authentication setup, DNS validation, and troubleshooting outgoing mail signing.
Use this DKIM Record Checker to look up a DKIM DNS record using a selector and domain. It is useful for email authentication setup, DNS validation, and troubleshooting outgoing mail signing.
Use dkim record checker when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
Find similar and supporting tools for adjacent actions and follow-up tasks.
Input
default example.com
Output
Host: default._domainkey.example.com DKIM Found: Yes Record: v=DKIM1; k=rsa; p=...
Checks the DKIM record for the selector and domain pair.
Input
google example.com
Output
Host: google._domainkey.example.com DKIM Found: No
Useful when verifying whether a selector exists.
Fix: Enter selector on the first line and domain on the second line.
Fix: Extract the selector and domain first, then run the DNS check.
Fix: Confirm the selector from your mail provider or DKIM-Signature header.
It needs a DKIM selector and a domain.
It usually checks selector._domainkey.example.com.
It often starts with v=DKIM1 and includes a public key value.
DKIM helps receiving mail systems verify that a message was signed by an authorized sender.
The tool will show that the selector and domain combination did not return a DKIM TXT record.