Gecko:Effective TLD Service
From MozillaWiki
publicsuffix.org is the home of the Public Suffix List, and has the most up-to-date documentation on the list format and usage.
Interface
See nsEffectiveTLDService.cpp.
Links
- Registered Domain Libraries - Libraries in C, PHP, Perl, Ruby, Go, Python and other languages, as well as other documented known use-cases that rely on the effective TLD list to calculate registered domain names