I've just checked version 2.1 (the latest version) of my PC Information Application - this does include itrainz.auran.com as one of it's checks using the Networking Component (which is under the Check your Connection option in the Utilities menu.
Here's a copy of my latest results from the tool:
PC Information Report - Networking Component
Generated using PC Information Application by Shane Turner
Network Available: YES
Connection Test: Google
PING TESTS
Packet 1: RECEIVED from 74.125.230.102 (google.com) - Roundtrip time:27
Packet 2: RECEIVED from 74.125.230.102 (google.com) - Roundtrip time:27
Packet 3: RECEIVED from 74.125.230.102 (google.com) - Roundtrip time:28
Packet 4: RECEIVED from 74.125.230.102 (google.com) - Roundtrip time:29
Summary: 4 Packets Received - 100% Received
Connection to google.com SUCCESSFUL
Connection Test:
www.auran.com
PING TESTS
Packet 1: RECEIVED from 174.121.103.202 (auran.com) - Roundtrip time:138
Packet 2: RECEIVED from 174.121.103.202 (auran.com) - Roundtrip time:138
Packet 3: RECEIVED from 174.121.103.202 (auran.com) - Roundtrip time:138
Packet 4: RECEIVED from 174.121.103.202 (auran.com) - Roundtrip time:138
Summary: 4 Packets Received - 100% Received
Connection to auran.com SUCCESSFUL
Connection Test: Free DLS Server
PING TESTS
Packet 1: RECEIVED from 174.121.103.179 (files.auran.com) - Roundtrip time:141
Packet 2: RECEIVED from 174.121.103.179 (files.auran.com) - Roundtrip time:140
Packet 3: RECEIVED from 174.121.103.179 (files.auran.com) - Roundtrip time:141
Packet 4: RECEIVED from 174.121.103.179 (files.auran.com) - Roundtrip time:139
Summary: 4 Packets Received - 100% Received
Connection to free Auran DLS server SUCCESSFUL
Connection Test: Firstclass DLS server
PING TESTS
Packet 1: RECEIVED from 174.121.103.178 (firstclass.auran.com) - Roundtrip time:138
Packet 2: RECEIVED from 174.121.103.178 (firstclass.auran.com) - Roundtrip time:137
Packet 3: RECEIVED from 174.121.103.178 (firstclass.auran.com) - Roundtrip time:139
Packet 4: RECEIVED from 174.121.103.178 (firstclass.auran.com) - Roundtrip time:242
Summary: 4Packets Received - 100% Received
Connection to Firstclass Auran DLS server SUCCESSFUL
Connection Test: N3V ITrainz/Multiplayer server
PING TESTS
Packet 1: RECEIVED from 108.168.130.242 (itrainz.auran.com) - Roundtrip time:466
Packet 2: RECEIVED from 108.168.130.242 (itrainz.auran.com) - Roundtrip time:446
Packet 3: RECEIVED from 108.168.130.242 (itrainz.auran.com) - Roundtrip time:447
Packet 4: RECEIVED from 108.168.130.242 (itrainz.auran.com) - Roundtrip time:391
Summary: 4Packets Received - 100% Received
Connection to N3V Itrainz/Multiplayer server SUCCESSFUL
End of Test
I did notice a very large roundtrip time on the ITrainz server though during the latest test.
Shane