To designate an address or hostname connected via CSNET
Actual use
Was widely used in late 1980s, but is no longer in use
Registration restrictions
No registrations are possible, as this domain is not in the root
Structure
Appended to right of CSNET hostnames
Documents
{{{document}}}
Dispute policies
{{{disputepolicy}}}
Web site
{{{website}}}
.csnet was a pseudo-domain-style suffix used in the late 1980s when identifying a hostname not connected directly to the Internet but possibly reachable through inter-network gateways. In this case, it indicated that the hostname preceding it was reachable via the CSNET network. This was one of several apparent "top-level domains" that were not actually in the Internet root, but were sometimes used in addresses during the time when non-Internet networks remained in wide use. Of these, .arpa was the only one ever actually added to the Internet root, where it continues to exist in a redesignated purpose of "Address and Routing Parameter Area". This article is about the year. ... CSNET (the Computer Science Network) was created by the US National Science Foundation in the early 1980s. ... The 1980s, in its most obvious sense, was the decade between 1980 and 1989. ... The 1980s, in its most obvious sense, was the decade between 1980 and 1989. ... CSNET (the Computer Science Network) was created by the US National Science Foundation in the early 1980s. ... .arpa is an Internet top_level domain (TLD) used exclusively for Internet_infrastructure purposes. ...
CSNET (the "Computer Science Network") was created by the US National Science Foundation in the early 1980s.
CSNET connected with ARPANET using TCP/IP, and ran TCP/IP over X.25, but it also supported departments without sophisticated network connections, using automated dial-up mail exchange.
CSNET operated autonomously until 1989, when it merged with Bitnet to form CREN.
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