DNS queries with Python

00-README.md

DNS queries with Python

These examples use DNSPython

pip install dnspython

01-default.py

import dns.resolver

try:
    answer = dns.resolver.query(domain, 'A')
    for record in answer:
        cname = answer.canonical_name.to_text().strip('.')
        yield {
            'name': domain,
            'cname': cname,
            'address': record.address,
            'rectype': 'a' if domain == cname else 'cname'
        }
except dns.resolver.NXDOMAIN as e:
    # Custom handling
    raise e
except dns.resolver.NoAnswer as e:
    # Custom handling
    raise e

02-with_custom_nameserver.py

import dns.resolver

resolver = dns.resolver.Resolver()
resolver.nameservers = ['127.0.0.1']