About DKIM Checker
Use this DKIM checker to inspect a published DKIM public-key record for a selector and domain combination.
Check a DKIM TXT record using a selector and domain.
Free Network Tool
DKIM Checker
Check a DKIM TXT record using a selector and domain.
Examples
Enter a value above and run the lookup.
Related privacy and security resources
When relevant, this section may include related privacy and security resources that fit the topic of the page.
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These resources may be useful for visitors who want more private browsing, encrypted traffic, and safer connections on public or untrusted networks, especially when they are already researching infrastructure, domain setup, or general internet safety.
Disclosure: Some links in this section may earn a commission if a qualifying signup or purchase is completed.
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DKIM Checker FAQ
What is DKIM?
DKIM is an email authentication method that uses signed messages and published public keys in DNS.
How do I format a DKIM lookup?
Use selector:domain such as default:example.com or google:yourdomain.com.