The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Web wide crawl with initial seedlist and crawler configuration from October 2010
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110106212232/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/nntp
NNTP (News Network Transfer Protocol) is used by newsgroups to interact between the newsreader programs and the news servers. It is basically responsible for the functioning of a newsgroup.