PING speleo.sk (81.2.251.249) 56(84) bytes of data.
64 bytes from mail.speleo.sk (81.2.251.249): icmp_seq=1 ttl=60 time=17.9 ms
64 bytes from mail.speleo.sk (81.2.251.249): icmp_seq=2 ttl=60 time=17.3 ms
64 bytes from mail.speleo.sk (81.2.251.249): icmp_seq=3 ttl=60 time=17.3 ms

--- speleo.sk ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 17.350/17.536/17.907/0.262 ms