Looks that way to me. At least, I don't see any mention of Jinzora on GNUMP3d's site.
Header: HTTP/1.0 200 OK
Connection: close
Server: GNUMP3d 2.9.9.1
Content-type: text/html
Set-Cookie: jinzora-session=12017b9334a0b224d34e6dada070cf9a;path=/; expires=Mon, 10-Mar-08 14:36:42 GMT;
Set-Cookie: jzUserID=USR4632777ea36b4;path=/; expires=Mon, 10-Mar-08 14:36:42 GMT;
Set-Cookie: sort_order=$ALBUM;path=/; expires=Mon, 10-Mar-08 14:36:42 GMT;
Set-Cookie: theme=Tabular;path=/; expires=Mon, 10-Mar-08 14:36:42 GMT;
Header: HTTP/1.0 200 OK
Connection: close
Server: GNUMP3d 2.9.9.1
Content-type: text/html
Set-Cookie: jinzora-session=12017b9334a0b224d34e6dada070cf9a;path=/; expires=Mon, 10-Mar-08 14:36:42 GMT;
Set-Cookie: jzUserID=USR4632777ea36b4;path=/; expires=Mon, 10-Mar-08 14:36:42 GMT;
Set-Cookie: sort_order=$ALBUM;path=/; expires=Mon, 10-Mar-08 14:36:42 GMT;
Set-Cookie: theme=Tabular;path=/; expires=Mon, 10-Mar-08 14:36:42 GMT;