root@fritzbox:~# ping XYZ.dyndns.info
PING XYZ.dyndns.info (IP von XYZ.dyndns.info): 56 data bytes
64 bytes from IP von XYZ.dyndns.info: seq=0 ttl=64 time=0.315 ms
64 bytes from IP von XYZ.dyndns.info: seq=1 ttl=64 time=0.338 ms
64 bytes from IP von XYZ.dyndns.info: seq=2 ttl=64 time=0.379 ms
64 bytes from IP von XYZ.dyndns.info: seq=3 ttl=64 time=0.303 ms
64 bytes from IP von XYZ.dyndns.info: seq=4 ttl=64 time=0.300 ms
64 bytes from IP von XYZ.dyndns.info: seq=5 ttl=64 time=0.311 ms
64 bytes from IP von XYZ.dyndns.info: seq=6 ttl=64 time=0.338 ms
64 bytes from IP von XYZ.dyndns.info: seq=7 ttl=64 time=0.325 ms
64 bytes from IP von XYZ.dyndns.info: seq=8 ttl=64 time=0.345 ms
64 bytes from IP von XYZ.dyndns.info: seq=9 ttl=64 time=0.270 ms
64 bytes from IP von XYZ.dyndns.info: seq=10 ttl=64 time=0.306 ms
64 bytes from IP von XYZ.dyndns.info: seq=11 ttl=64 time=0.293 ms
64 bytes from IP von XYZ.dyndns.info: seq=12 ttl=64 time=0.218 ms
64 bytes from IP von XYZ.dyndns.info: seq=13 ttl=64 time=0.275 ms
64 bytes from IP von XYZ.dyndns.info: seq=14 ttl=64 time=0.274 ms
64 bytes from IP von XYZ.dyndns.info: seq=15 ttl=64 time=0.251 ms
64 bytes from IP von XYZ.dyndns.info: seq=16 ttl=64 time=0.238 ms
^C
--- XYZ.dyndns.info ping statistics ---
17 packets transmitted, 17 packets received, 0% packet loss
round-trip min/avg/max = 0.218/0.298/0.379 ms