PING www.mzyylsb.com (104.21.40.249) 56(84) bytes of data.
64 bytes from 104.21.40.249 (104.21.40.249): icmp_seq=1 ttl=60 time=6.92 ms
64 bytes from 104.21.40.249 (104.21.40.249): icmp_seq=2 ttl=60 time=4.16 ms
64 bytes from 104.21.40.249 (104.21.40.249): icmp_seq=3 ttl=60 time=4.25 ms

--- www.mzyylsb.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.167/5.115/6.925/1.282 ms