Authority

Returns the longest subdomain for this URL's host. E.g. for http://a.b.c.example.com returns a.b.c.example

Returns this authority normalized according to <a href="http://www.ietf.org/rfc/rfc3986.txt">RFC 3986</a>

Returns the longest public suffix for the host in this URI. Examples include: com for www.example.com co.uk for www.example.co.uk

Returns all longest public suffixes for the host in this URI. Examples include: com for www.example.com co.uk and uk for www.example.co.uk

Returns the shortest subdomain for this URL's host. E.g. for http://a.b.c.example.com returns a

Returns the second largest subdomain for this URL's host.

E.g. for http://a.b.c.example.com returns a.b.c

Note: In the event there is only one subdomain (i.e. the host is the apex domain), this method returns None. E.g. This method will return None for http://example.com.

Returns all subdomains for this URL's host. E.g. for http://a.b.c.example.com returns a, a.b, a.b.c and a.b.c.example