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Whois.SmartWeb.CZ

Infrastructure Top Level Domains (Infrastructure TLDs)

You can find basic top level domain (TLD) information, including ownership, contacts and technical details - nameservers and whois server here. New TLD registrar information for applications in ICANN New gTLDs program are in section New Top Level Domains (TLDs).

Infrastructure Top Level Domains (Infrastructure TLDs)

.arpa
Reserved exclusively to support operationally-critical infrastructural identifier spaces as advised by the Internet Architecture Board
Registrar: Internet Assigned Numbers Authority