PING web20vn.com--szhy168.rooaoo.com (127.0.0.1) 56(84) bytes of data.
64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.013 ms
64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.016 ms
64 bytes from localhost (127.0.0.1): icmp_seq=3 ttl=64 time=0.015 ms

--- web20vn.com--szhy168.rooaoo.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2077ms
rtt min/avg/max/mdev = 0.013/0.014/0.016/0.004 ms