adnstest 2ndserver
:1 davenant.relativity.greenend.org.uk
 start 940100095.012145
 socket domain=AF_INET type=SOCK_DGRAM
 socket=4
 +0.000173
 fcntl fd=4 cmd=F_GETFL
 fcntl=~O_NONBLOCK&...
 +0.000053
 fcntl fd=4 cmd=F_SETFL O_NONBLOCK|...
 fcntl=OK
 +0.000042
 sendto fd=4 addr=172.18.45.36:53
     311f0100 00010000 00000000 08646176 656e616e 740a7265 6c617469 76697479
     08677265 656e656e 64036f72 6702756b 00000100 01.
 sendto=53
 +0.001041
 select max=5 rfds=[4] wfds=[] efds=[] to=1.998959
 select=0 rfds=[] wfds=[] efds=[]
 +2.-04931
 select max=5 rfds=[4] wfds=[] efds=[] to=0.003890
 select=0 rfds=[] wfds=[] efds=[]
 +0.009910
 sendto fd=4 addr=172.18.45.6:53
     311f0100 00010000 00000000 08646176 656e616e 740a7265 6c617469 76697479
     08677265 656e656e 64036f72 6702756b 00000100 01.
 sendto=53
 +0.000863
 select max=5 rfds=[4] wfds=[] efds=[] to=1.999137
 select=1 rfds=[4] wfds=[] efds=[]
 +0.000126
 recvfrom fd=4 buflen=512
 recvfrom=OK addr=172.18.45.6:53
     311f8580 00010001 00030003 08646176 656e616e 740a7265 6c617469 76697479
     08677265 656e656e 64036f72 6702756b 00000100 01c00c00 01000100 01518000
     04ac122d 060a7265 6c617469 76697479 08677265 656e656e 64036f72 6702756b
     00000200 01000151 80000603 6e7330c0 45c04500 02000100 01518000 06036e73
     31c045c0 45000200 01000151 80000603 6e7332c0 45c06b00 01000100 01518000
     04ac122d 06c07d00 01000100 01518000 04ac122d 41c08f00 01000100 01518000
     04ac122d 01.
 +0.001026
 recvfrom fd=4 buflen=512
 recvfrom=EAGAIN
 +0.000423
 close fd=4
 close=OK
 +0.000435