PING www.pameco.com.vn (120.72.119.3) 56(84) bytes of data.
64 bytes from 1193.ninamailservice.com (120.72.119.3): icmp_seq=1 ttl=55 time=255 ms
64 bytes from 1193.ninamailservice.com (120.72.119.3): icmp_seq=2 ttl=55 time=254 ms
64 bytes from 1193.ninamailservice.com (120.72.119.3): icmp_seq=3 ttl=55 time=254 ms

--- www.pameco.com.vn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 3898ms
rtt min/avg/max/mdev = 254.624/254.796/255.074/0.198 ms