Código:
$ nmap -P0 -p 6667 eu.undernet.org
Starting Nmap 3.95 ( http://www.insecure.org/nmap/ ) at 2006-08-22 00:05 CEST
Interesting ports on zidpc248.tu-graz.ac.at (129.27.9.248):
PORT STATE SERVICE
6667/tcp open irc
Nmap finished: 1 IP address (1 host up) scanned in 0.380 seconds
$
Sí que parece estar activo, aunque no responde al ping, y también es verdad que ese "Host name lookup failure" indica que no se pudo resolver bien en tu máquina.
Puedes probar con las direcciones IP de la red
Código:
$ host eu.undernet.org
eu.undernet.org has address 195.204.1.130
eu.undernet.org has address 195.204.1.132
eu.undernet.org has address 129.27.9.248
eu.undernet.org has address 161.53.178.240
eu.undernet.org has address 193.109.122.67
eu.undernet.org has address 193.110.95.1
eu.undernet.org has address 194.109.20.90
eu.undernet.org has address 195.47.220.2
eu.undernet.org has address 195.54.102.4
eu.undernet.org has address 195.68.221.221
eu.undernet.org has address 195.144.12.5
eu.undernet.org has address 195.197.175.21
$
Salu2
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