#!/usr/bin/env python3 import dns.name n = dns.name.from_text("www.dnspython.org") o = dns.name.from_text("dnspython.org") print(n.is_subdomain(o)) # True print(n.is_superdomain(o)) # False print(n > o) # True rel = n.relativize(o) # rel is the relative name www n2 = rel + o print(n2 == n) # True print(n.labels) # ['www', 'dnspython', 'org', '']