#!/usr/bin/env python3

import dns.query
import dns.resolver
import dns.zone

soa_answer = dns.resolver.resolve("dnspython.org", "SOA")
master_answer = dns.resolver.resolve(soa_answer[0].mname, "A")

z = dns.zone.from_xfr(dns.query.xfr(master_answer[0].address, "dnspython.org"))
for n in sorted(z.nodes.keys()):
    print(z[n].to_text(n))