| import dns.message |
| import dns.name |
| import dns.query |
| |
| class DNSUtils: |
| """ Utilities useful for DNS requests """ |
| |
| def dns_request(self, domain, ns): |
| """ return the ip address of the given domain name from the given nameserver """ |
| request = dns.message.make_query(domain, dns.rdatatype.A) |
| request.flags |= dns.flags.AD |
| request.find_rrset(request.additional, dns.name.root, 65535, dns.rdatatype.OPT, create=True, force_unique=True) |
| response = dns.query.udp(request, ns) |
| |
| for answer in response.answer: |
| for item in answer.items: |
| return item |