adnstest default
:1 intel.ugcs.caltech.edu.
 start 938369896.279735
 socket type=SOCK_DGRAM
 socket=4
 +0.000179
 fcntl fd=4 cmd=F_GETFL
 fcntl=~O_NONBLOCK&...
 +0.000054
 fcntl fd=4 cmd=F_SETFL O_NONBLOCK|...
 fcntl=OK
 +0.000041
 sendto fd=4 addr=172.18.45.6:53
     311f0100 00010000 00000000 05696e74 656c0475 67637307 63616c74 65636803
     65647500 00010001.
 sendto=40
 +0.001628
 select max=5 rfds=[4] wfds=[] efds=[] to=1.998372
 select=1 rfds=[4] wfds=[] efds=[]
 +0.586476
 recvfrom fd=4 buflen=512 *addrlen=16
 recvfrom=OK addr=172.18.45.6:53
     311f8180 00010003 00050005 05696e74 656c0475 67637307 63616c74 65636803
     65647500 00010001 05696e74 656c0475 67637307 63616c74 65636803 65647500
     00050001 0007985e 000f0775 67696e74 656c0462 657374c0 2ec04a00 05000100
     00000a00 0a076472 6163686d 61c02ec0 65000100 01000798 83000483 d72bacc0
     2e000200 01000935 be000b08 70757263 68617365 c02ec02e 00020001 000935be
     00070465 6e7679c0 2ec02e00 02000100 0935be00 09036f66 62036e65 7400c02e
     00020001 000935be 00090674 7962616c 74c033c0 2e000200 01000935 be000e08
     6d657263 7574696f 026e69c0 33c08b00 01000100 0935be00 0483d72b a7c0a200
     01000100 0935be00 0483d72b 87c0b500 01000100 001ef800 04c6b4b6 07c0ca00
     01000100 0100d700 0483d78b 64c0df00 01000100 0100d700 0483d7fe 63.
 +0.001423
 recvfrom fd=4 buflen=512 *addrlen=16
 recvfrom=EAGAIN
 +0.000646
 close fd=4
 close=OK
 +0.000242