libmozilla-publicsuffix-perl 1.0.6-2 (armhf binary) in ubuntu noble

 Mozilla::PublicSuffix provides a single function that returns the public
 suffix of a domain name by referencing a parsed copy of Mozilla's Public
 Suffix List. From the official website at https://publicsuffix.org/:
 .
 A "public suffix" is one under which Internet users can directly register
 names. Some examples of public suffixes are com, co.uk and pvt.k12.wy.us. The
 Public Suffix List is a list of all known public suffixes.