Handle experimental lookup method for bad domains
Attempting to use NICClient with bad domains could hit a bad logical path that
leads to an attempt to reference a variable that hasn't been defined. So in case
we don't manage to find a nichost for a domain, just set `result` to `None`
{"updated_date": ["14-apr-2008"], "expiration_date": ["14-apr-2009"], "status": ["ok"], "domain_name": ["URLOWL.COM", "urlowl.com"], "creation_date": ["14-apr-2008"]}