PING www.ylqqw.com (104.21.3.6) 56(84) bytes of data.
64 bytes from 104.21.3.6 (104.21.3.6): icmp_seq=1 ttl=60 time=4.65 ms
64 bytes from 104.21.3.6 (104.21.3.6): icmp_seq=2 ttl=60 time=3.95 ms
64 bytes from 104.21.3.6 (104.21.3.6): icmp_seq=3 ttl=60 time=4.03 ms

--- www.ylqqw.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 3.958/4.215/4.652/0.319 ms