PING bruenlasbergschule.de (167.235.245.251) 56(84) bytes of data.
64 bytes from mail.schulen-erz.de (167.235.245.251): icmp_seq=1 ttl=55 time=14.1 ms
64 bytes from mail.schulen-erz.de (167.235.245.251): icmp_seq=2 ttl=55 time=12.8 ms
64 bytes from mail.schulen-erz.de (167.235.245.251): icmp_seq=3 ttl=55 time=12.5 ms

--- bruenlasbergschule.de ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 12.593/13.206/14.180/0.708 ms