/Email deliverability/DKIM Check

DKIM Check

Look up a DKIM public key by selector and verify its strength.

dns › _domainkey
Domain name
sel
Tip — type a command to jump tools:dkim:google.com
Try one
What this checks
01Building selector record
02Fetching public key
03Decoding Base64
04Measuring key length
05Test-verifying signature