Fix metatype check.

IANA has reserved types 128-255 as meta types, so that range should be checked.
rthalley · May 19, 2020 · b89444d · b89444d
1 parent 0c83705
commit b89444d
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/dns/rdatatype.py b/dns/rdatatype.py
@@ -203,9 +203,7 @@ def is_metatype(rdtype):
     Returns a ``bool``.
     """
 
-    if rdtype >= TKEY and rdtype <= ANY or rdtype in _metatypes:
-        return True
-    return False
+    return (256 > rdtype >= 128) or rdtype in _metatypes
 
 
 def is_singleton(rdtype):