PING www.caifuzhimen.cn (104.21.11.93) 56(84) bytes of data.
64 bytes from 104.21.11.93 (104.21.11.93): icmp_seq=1 ttl=59 time=5.48 ms
64 bytes from 104.21.11.93 (104.21.11.93): icmp_seq=2 ttl=59 time=5.19 ms
64 bytes from 104.21.11.93 (104.21.11.93): icmp_seq=3 ttl=59 time=5.26 ms

--- www.caifuzhimen.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 5.197/5.314/5.484/0.123 ms