1./adnstest unkopts 2:0x0|1 chiark.greenend.org.uk 3 start 1414184606.322883 4 socket domain=AF_INET type=SOCK_DGRAM 5 socket=6 6 +0.000116 7 fcntl fd=6 cmd=F_GETFL 8 fcntl=~O_NONBLOCK&... 9 +0.000047 10 fcntl fd=6 cmd=F_SETFL O_NONBLOCK|... 11 fcntl=OK 12 +0.000040 13 sendto fd=6 addr=172.18.45.6:53 14 311f0100 00010000 00000000 06636869 61726b08 67726565 6e656e64 036f7267 15 02756b00 00010001. 16 sendto=40 17 +0.000202 18 select max=7 rfds=[6] wfds=[] efds=[] to=1.999798 19 select=1 rfds=[6] wfds=[] efds=[] 20 +0.002958 21 recvfrom fd=6 buflen=512 22 recvfrom=OK addr=172.18.45.6:53 23 311f8580 00010001 00020002 06636869 61726b08 67726565 6e656e64 036f7267 24 02756b00 00010001 c00c0001 00010000 0e100004 d40dc5e5 c0130002 00010001 25 51800011 036e7331 0a72656c 61746976 697479c0 13c01300 02000100 01518000 26 06036e73 30c048c0 61000100 01000151 800004ac 122d06c0 44000100 01000151 27 800004ac 122d0b. 28 +0.000383 29 recvfrom fd=6 buflen=512 30 recvfrom=EAGAIN 31 +0.000138 32 close fd=6 33 close=OK 34 +0.000180 35