sendto fd=4 addr=172.18.45.6:53
31200100 00010000 00000000 03313730 02393903 32313903 31393407 696e2d61
64647204 61727061 00000200 01.
sendto=45
sendto fd=4 addr=172.18.45.6:53
31200100 00010000 00000000 03313730 02393903 32313903 31393407 696e2d61
64647204 61727061 00000200 01.
sendto=45