When NSI was divided between registrar and registry, they pointed internic.net to the NSI registrar. Name Server A name server is a computer database that enables the Internet to resolve domain names with IP addresses. This allows your web site to be accessed by Internet users. A NIC handle is the id number for an individual or organization that has filled out a contact template with a registrar. It is a shortcut so the demographic information doesn't always need to be re-typed.
Handles are registrar specific.
Therefore the handles one uses at Network Solutions cannot be used at Spirited Horse LLC and vice versa. The largest registrar to date is Network Solutions. Spirited Horse LLC is the functional equivalent of Network Solutions. Spirited Horse LLC is not a reseller or distributor of Network Solutions registrar. They are equals in the registration of domain names.