def test_addressRecord3(self):
        """Test DNS 'A' record queries with edge cases"""
        return self.namesTest(
            self.resolver.lookupAddress('host-two.test-domain.com'),
            [dns.Record_A('255.255.255.254', ttl=19283784), dns.Record_A('0.0.0.0', ttl=19283784)]
        )
Test DNS 'A' record queries with edge cases
stackoverflow/venv/lib/python3.6/site-packages/twisted/names/test/test_names.py