dkim_parse

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The dkim_parse library searches the dkim records for a host. We assume the host uses standard dkim 'selectors', and also check if they use their own 'selector'.

Examples

CLI

-use a single domain

dkim google.com
____________________________
DKIM record search for google.com
  - using selectors: ["default", "dkim", "google"]
  - no DKIM record found for google.com
____________________________

-or a bunch in a row

dkim trailofbits.com facebook.com yahoo.com
____________________________
DKIM record search for trailofbits.com
  - using selectors: ["default", "dkim", "google", "trailofbits"]
  - found DKIM record for trailofbits.com at trailofbits._domainkey.trailofbits.com:
  v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwe04g1hSR55ACcRiLAg0MoEiY5BBviJHJHq/d9r6o+F50fa1TrNNulwKXaST+WCEcW6D2KZ+dt9JvgB9ApIEAFCzHRXhawga0GsfDkOllvpXgT95IPcnYrSkM+rJSbaqHh+YI5sV9sKnvzZDVmB7l5gU3yD74aDmjs9wSg8RC5wIDAQAB
____________________________

____________________________
DKIM record search for facebook.com
  - using selectors: ["default", "dkim", "google", "facebook"]
  - found DKIM record for facebook.com at default._domainkey.facebook.com:
  t=y; k=rsa; p=MHwwDQYJKoZIhvcNAQEBBQADawAwaAJhALkZ4wTn2SQ3EW0vVBExi8izmZZnjZH8JIY5Y964jzDORZku43o6ooFq6HLMjBxmcDYOrJFRdcsKDWtI0Be/uLfc/rClXuyEbcENXfadg77HHv35BI85RNy4TKeai3hxoQIDAQAB;
____________________________

____________________________
DKIM record search for yahoo.com
  - using selectors: ["default", "dkim", "google", "yahoo"]
  - no DKIM record found for yahoo.com
____________________________

In a project

require 'dkim_parse'

DkimParse.check_host('twitter.com')
- using selectors: ["default", "dkim", "google", "twitter"]
=> {:record=>"v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrZ6zwKHLkoNpHNyPGwGd8wZoNZOk5buOf8wJwfkSZsNllZs4jTNFQLy6v4Ok9qd46NdeRZWnTAY+lmAAV1nfH6ulBjiRHsdymijqKy/VMZ9Njjdy/+FPnJSm3+tG9Id7zgLxacA1Yis/18V3TCfvJrHAR/a77Dxd65c96UvqP3QIDAQAB", :record_path=>"dkim._domainkey.twitter.com"}

Install

rake install

License

See the LICENSE file.