Server wont work

[Cozmo]

I have no clue why my server isnt working it wont show up when i host it
i looked at the console and here is the bottom lines,
i thought it mite have somthing to do with it

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DXMTL:
DXMTL: DeusExLevelInfo Repaired!
DXMTL: Mutators mPack1.FatBoy,mPack1.ModifyZoneInfo,mPack1.DXWeaponSelector,mPack1.ModifyPlayerSettings
DXMTL: Add mutator mPack1.FatBoy
DXMTL: Add mutator mPack1.ModifyZoneInfo
DXMTL: Add mutator mPack1.DXWeaponSelector
DXMTL: Add mutator mPack1.ModifyPlayerSettings
Log: Loading: Package DeusExConText
ScriptLog: UdpServerQuery: Port 7791 successfully bound.
Log: Resolving master0.gamespy.com...
Log: Resolving master.epicgames.com...
Log: Resolving master.fragaholic.com...
Init: Game engine initialized
Log: Startup time: 6.542276 seconds
Log: Resolved master0.gamespy.com (207.38.11.34)
ScriptLog: UdpServerUplink: Master Server is master0.gamespy.com:27900
ScriptLog: UdpServerUplink: Port 7792 successfully bound.
Log: AInternetLink Resolve failed: Can't find host master.epicgames.com (WSANO_DATA)
ScriptLog: UdpServerUplink: Failed to resolve master server address, aborting.
Log: AInternetLink Resolve failed: Can't find host master.fragaholic.com (WSANO_DATA)
ScriptLog: UdpServerUplink: Failed to resolve master server address, aborting.
Log: WLog::OnCommand ID_NotifyExit
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somebody plz help me!

[Alex]

Alright, do you have a router/firewall/hub? Because those lines - not the problem, those master servers are down, but one of them is connected.