Lexicon beginning with I
- ICANN-accredited registrar
An entity that has entered into a Registrar Accreditation Agreement with ICANN. The registrar has access to make changes to a registry by adding, deleting, or updating domain name records.
- Internationalized Domain Name (IDN)
A domain name including characters used in the local representation of languages not written with the basic Latin alphabet (a - z), European-Arabic digits (0 - 9), and the hyphen (-).