#!/usr/bin/env python3 import dns.edns import dns.message import dns.query # This example demonstrates how to use the EDNS client subnet option ADDRESS = "0.0.0.0" # replace this with the address you want to check PREFIX = 0 # replace this with a prefix length (typically 24 for IPv4) ecs = dns.edns.ECSOption(ADDRESS, PREFIX) q = dns.message.make_query("www.google.com", "A", use_edns=0, options=[ecs]) r = dns.query.udp(q, "8.8.8.8") print(r)