PING www.zhifengdl.com (5.42.65.70) 56(84) bytes of data.
64 bytes from 5.42.65.70 (5.42.65.70): icmp_seq=1 ttl=60 time=6.62 ms
64 bytes from 5.42.65.70 (5.42.65.70): icmp_seq=2 ttl=60 time=4.16 ms
64 bytes from 5.42.65.70 (5.42.65.70): icmp_seq=3 ttl=60 time=4.14 ms

--- www.zhifengdl.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.144/4.975/6.622/1.165 ms