psl 0.21.0-1ubuntu1 (amd64 binary) in ubuntu focal

 Libpsl allows checking domains against the Public Suffix List.
 It can be used to avoid privacy-leaking 'super-cookies',
 'super domain' certificates, for domain highlighting purposes
 sorting domain lists by site and more.
 .
 Please see https://publicsuffix.org for more detailed information.
 .
 This package contains a commandline tool to explore the Public Suffix
 List.