fixed some py3 errors

main.py

@@ -123,6 +123,7 @@ def lookupDomain(inData):
 		subLookup(inData, subs)
 
 def lookupIP(inData):
+	try:
 		with warnings.catch_warnings():
 			warnings.filterwarnings("ignore", category=UserWarning)
 			ipnet = Net(inData)
@@ -139,6 +140,8 @@ def lookupIP(inData):
 			except Exception as E:
 				reverseName = E
 			print('\n' + indent + '%sPTR:%s\t\t%s%s' % (colour_pretty, colour_good, reverseName, colour_default))
+	except:
+		None
 
 # Taken and modified from DNSpy 1, I am not asahmed it works
 def checkIfIP(in1):