PING www.yhjd0539.com--www.yhjd0539.com (104.21.70.242) 56(84) bytes of data.
64 bytes from 104.21.70.242 (104.21.70.242): icmp_seq=1 ttl=60 time=4.61 ms
64 bytes from 104.21.70.242 (104.21.70.242): icmp_seq=2 ttl=60 time=4.77 ms
64 bytes from 104.21.70.242 (104.21.70.242): icmp_seq=3 ttl=60 time=4.72 ms

--- www.yhjd0539.com--www.yhjd0539.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.614/4.702/4.772/0.065 ms