$ HEAD 'http://www.perlmonks.org/index.pl?node_id=401092'
200 OK
Connection: close
Date: Thu, 21 Oct 2004 22:42:03 GMT
Server: Apache/1.3.27
Content-Type: text/html; charset=ISO-8859-1
Client-Date: Thu, 21 Oct 2004 22:42:07 GMT
Client-Peer: 209.197.123.153:80
Client-Response-Num: 1