Keep an exception for a single existing domain.
aaaarecord is None:
return None
aaaarecord is None:
return None
+ # Check for punycode. We ought to validate it before we allow it in our zone.
+ if Str.lower().startswith('xn--') and Str.lower() != 'xn--mnchen-3ya':
+ return "Punycode not allowed: " + Str
+
# Check if the name is already taken
G = re.match(r'^([-\w+]+)\s', Str)
if G is None:
# Check if the name is already taken
G = re.match(r'^([-\w+]+)\s', Str)
if G is None: