add ECS example

rthalley · Jul 10, 2020 · 858bd95 · 858bd95
1 parent 540e0d1
commit 858bd95
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/examples/ecs.py b/examples/ecs.py
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+
+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)
+