DKIM Selector Finder

Probes 50+ known ESP selectors in parallel and reports which ones resolve.

Try: google.com github.com microsoft.com
Recent:

Probed 56 selectors against stripe.com

Found 5 active selector(s).

SelectorProviderKey sizeStatus
google Google Workspace 1024 bits active
s1 SendGrid 1024 bits active
s2 SendGrid 1024 bits active
mandrill Mandrill 1024 bits active
ses Amazon SES 1024 bits active