[#71] missing .mobi, .io, .kg, .su, .biz
added classes with inheritance of existing ones, because of same
registrar.
.kg is trickier. it's registrar is unique, and i haven't figured out
how to parse name_servers properly
{"updated_date": ["14-apr-2008"], "expiration_date": ["14-apr-2009"], "status": ["ok"], "domain_name": ["URLOWL.COM", "urlowl.com"], "creation_date": ["14-apr-2008"]}