Free Tools
DNS Tool· Free Tool
DKIM Checker
Verify your DKIM public key and record validity
DKIM (DomainKeys Identified Mail) uses cryptographic signatures to verify that an email was not modified in transit. Each DKIM key is published as a DNS TXT record under a selector subdomain. Enter a domain and selector to look up the key.
Enter Domain & Selector
Domain name (e.g. example.com)
DKIM selector — check your email headers for the 's=' tag
Need bulk email verification?
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