domainstring required
Registrable (eTLD+1) form, lowercased, punycoded.
domain_unicodestring
IDN-decoded display form.
category'free' | 'disposable' | 'educational' | 'government' | 'isp' | 'company' | 'unknown' required
subcategorystring nullable
fetched_atstring date-time required
last_refreshed_atstring date-time nullable