PING www.lz-xgjd.com (104.21.20.44) 56(84) bytes of data.
64 bytes from 104.21.20.44 (104.21.20.44): icmp_seq=1 ttl=60 time=4.84 ms
64 bytes from 104.21.20.44 (104.21.20.44): icmp_seq=2 ttl=60 time=4.37 ms
64 bytes from 104.21.20.44 (104.21.20.44): icmp_seq=3 ttl=60 time=4.26 ms

--- www.lz-xgjd.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.260/4.495/4.846/0.252 ms