[#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": ["10-oct-2006"], "expiration_date": ["03-may-2014"], "status": ["clientDeleteProhibited", "clientTransferProhibited", "clientUpdateProhibited"], "domain_name": ["MICROSOFT.COM"], "creation_date": ["02-may-1991"]}