bash-3.2$ telnet www0.cs.ucl.ac.uk 80
...
GET /staff/M.Handley/ HTTP/1.0
HTTP/1.0 200 Document follows
MIME-Version: 1.0
Server: CERN/3.0
Date: Fri, 13 Feb 2015 21:19:43 GMT
...
So, 22 year old webserver software running on 19 year old hardware. Not bad. But something tells me there must be even older servers out there somewhere? Perhaps some ancient ftp server or DNS server? So, what is the oldest continuously used server on the Internet (still running the original software or hardware - even if patched)?