PING gl.duomeili.com (104.21.69.56) 56(84) bytes of data.
64 bytes from 104.21.69.56 (104.21.69.56): icmp_seq=1 ttl=60 time=6.18 ms
64 bytes from 104.21.69.56 (104.21.69.56): icmp_seq=2 ttl=60 time=4.16 ms
64 bytes from 104.21.69.56 (104.21.69.56): icmp_seq=3 ttl=60 time=4.19 ms

--- gl.duomeili.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.162/4.848/6.187/0.949 ms