$ curl -I http://ftp.de.debian.org/debian/pool/main/e/erlang/erlang_12.b.2-dfsg-3.dsc
HTTP/1.1 200 OK
Date: Tue, 03 Jun 2008 06:36:24 GMT
Server: Apache/2.2.3 (Debian) DAV/2
Last-Modified: Fri, 02 May 2008 12:32:01 GMT
ETag: "a1954934-5a8-91953240"
Accept-Ranges: bytes
Content-Length: 1448
Content-Type: chemical/x-molconn-Z