Результат выполнения команды PING для jkh.su.:

PING jkh.su (82.202.239.19) 56(84) bytes of data.
64 bytes from mail.gkh.su (82.202.239.19): icmp_seq=1 ttl=57 time=8.57 ms
64 bytes from mail.gkh.su (82.202.239.19): icmp_seq=2 ttl=57 time=8.56 ms
64 bytes from mail.gkh.su (82.202.239.19): icmp_seq=3 ttl=57 time=8.48 ms
64 bytes from mail.gkh.su (82.202.239.19): icmp_seq=4 ttl=57 time=8.56 ms
64 bytes from mail.gkh.su (82.202.239.19): icmp_seq=5 ttl=57 time=8.50 ms

--- jkh.su ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4004ms
rtt min/avg/max/mdev = 8.482/8.537/8.574/0.069 ms