Coordinates eQDN's that host public content. > A "public suffix" is one under which Internet users can (or historically could) directly register names. Some examples of public suffixes are .com, .co.uk and pvt.k12.ma.us. The Public Suffix List is a list of all known public suffixes. > >The Public Suffix List is an initiative of [Mozilla](https://www.mozilla.org/), but is maintained as a community resource. It is available for use in any software, but was originally created to meet the needs of browser manufacturers. It allows browsers to, for example: > > - Avoid privacy-damaging "supercookies" being set for high-level domain name suffixes > - Highlight the most important part of a domain name in the user interface > - Accurately sort history entries by site https://publicsuffix.org/