Сорри за такой вопрос, не знаю как нагуглить.
stas@desk:/tmp$ ping ya.ru
PING ya.ru (77.88.21.3) 56(84) bytes of data.
64 bytes from 77.88.21.3: icmp_req=1 ttl=55 time=31.0 ms
^C64 bytes from 77.88.21.3: icmp_req=2 ttl=55 time=31.5 ms
--- ya.ru ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 15041ms
rtt min/avg/max/mdev = 31.023/31.273/31.524/0.306 ms
time 15041ms
stas@desk:/tmp$ cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 192.168.1.1
В модеме Auto discovered DNS servers.