PING sz-sourcetail-v4.volcmlt.com (61.163.8.224) 56(84) bytes of data.
64 bytes from hn.ly.kd.adsl (61.163.8.224): icmp_seq=1 ttl=51 time=271 ms
64 bytes from hn.ly.kd.adsl (61.163.8.224): icmp_seq=2 ttl=51 time=279 ms
64 bytes from hn.ly.kd.adsl (61.163.8.224): icmp_seq=3 ttl=51 time=287 ms

--- sz-sourcetail-v4.volcmlt.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 271.320/279.337/287.072/6.448 ms