PING mail.rstmc.co.id (180.250.16.42) 56(84) bytes of data.
64 bytes from 180.250.16.42: icmp_seq=1 ttl=60 time=188 ms
64 bytes from 180.250.16.42: icmp_seq=2 ttl=60 time=190 ms
64 bytes from 180.250.16.42: icmp_seq=3 ttl=60 time=186 ms

--- mail.rstmc.co.id ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 6816ms
rtt min/avg/max/mdev = 186.687/188.525/190.035/1.386 ms