% ping -c 1 wnet.ingce.unibo.it. PING wnet.ingce.unibo.it (137.204.191.10): 56 data bytes 64 bytes from 137.204.191.10: icmp_seq=0 ttl=97 time=178.366 ms Works like a cold beer in mid-summer. Your delegation works. Try to include a specific server when you use host or check your resolv.conf Roy Arends Nominum