RDAP queries can be made on the following types:
Domain queries are made based only on the domain name criterion.
Entity type can be either a contact or a registrar.
Contact queries are made based only on the contact NIC-Handle criterion.
Registrar queries are made based on the registrar gurid criterion (IANA ID):
Registrar queries can also be made based on the registrar name criterion:
Example: entity/Registry%20Testing%201 for the registrar with name 'Registry Testing 1'
Nameserver queries are made based only on the nameserver name criterion.
Nameserver searches are made based only on the IP address criterion.