Module: MailAuth::Dmarc::OrganizationalDomain

Defined in:
lib/mailauth/dmarc/organizational_domain.rb

Overview

The registrable domain — "bar.co.uk" for "foo.bar.co.uk", never "co.uk". Only the Public Suffix List can answer this; counting labels would put bank.co.uk and attacker.co.uk in the same organization.

Class Method Summary collapse

Class Method Details

.of(name) ⇒ Object 



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# File 'lib/mailauth/dmarc/organizational_domain.rb', line 11

def self.of(name)
  domain = Domain.normalize(name)

  # Private suffixes are boundaries too: two tenants of one host
  # (user1.blogspot.com, user2.blogspot.com) are separate organizations.
  PublicSuffix.domain(domain, ignore_private: false) || domain
rescue PublicSuffix::Error
  domain # under no known suffix, a name can only align with itself
end