I tried everything.
The server is working and I connect to it from anywhere without any problems.
85.192.134.161
// MASTER SERVERS SETTINGS
//---------------------------------------------------------
set sv_master1 "" // This one will be set automatically by the game-engine, so just leave it blank
set sv_master2 "master.urbanterror.info" // Default = master.urbanterror.info
set sv_master3 "master2.urbanterror.info" // Default = master2.urbanterror.info
set sv_master4 "master.quake3arena.com:27950" // Default = master.quake3arena.com
set sv_master5 "master.quake3arena.com" // In the future.....