PING pubcrawl.cz (81.2.217.52) 56(84) bytes of data.
64 bytes from mail.praguecycleboat.com (81.2.217.52): icmp_seq=1 ttl=60 time=18.3 ms
64 bytes from mail.praguecycleboat.com (81.2.217.52): icmp_seq=2 ttl=60 time=17.6 ms
64 bytes from mail.praguecycleboat.com (81.2.217.52): icmp_seq=3 ttl=60 time=17.7 ms

--- pubcrawl.cz ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2116ms
rtt min/avg/max/mdev = 17.680/17.947/18.369/0.338 ms