Domainz Limited was the original . nz registry operator and is now an ICANN accredited domain name registrar and web host. IANA delegated the . nz namespace to John Houlker on 19 January 1987, and the University of Waikato issued . nz domain names and maintained the . nz registry during the early part of Internet availability in New Zealand. During 1996, as Internet use was flourishing in New Zealand, and operation of the .