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DKIM Check
MX Lookup
SPF Check
DKIM Check
DMARC Check
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All 24
DKIM Check
Look up a DKIM public key by selector and verify its strength.
dns › _domainkey
Domain name
sel
Run check
Tip — type a command to jump tools:
dkim:
google.com
Try one
google.com
2048-bit
promo-deals.co
weak key
What this checks
01
Building selector record
02
Fetching public key
03
Decoding Base64
04
Measuring key length
05
Test-verifying signature