gargaj@dinnye ~ $ curl -I http://noname.c64.org/csdb/release/download.php?id=2577
HTTP/1.1 303 See Other
Date: Mon, 04 Jul 2016 09:54:17 GMT
Server: Apache/2.2.26 (FreeBSD) PHP/5.4.25 mod_ssl/2.2.26 OpenSSL/0.9.8q DAV/2
Never thought it would be nessesary, as all links found on CSDb should always exists.
Where did you find the link in question?