.tz is for Tanzania
Registration web site:
Third Level Domains Registered
ICANN records: http://www.iana.org/root-whois/tz.htm
Notes: .co.tz, .or.tz, .ne.tz, .ac.tz, and .go.tz are registered. Registrations must be from organizations with a real presence in the country and with a demonstrable intent to use the domain name on a regular basis on the internet. I.e. vanity, placemark, ... name registration is not appropriate. For trademark registration, see the trademark office. Registration agreement refers to RFC1591 for disputes.
Domain Registration Rules: