Understanding DNS log entries

Hi,
Can anyone explain what these infoo/error entries in the DNS log mean. Are they a normal part of DNS operation, or might they be an indication of an underlying network issue. I haven’t been able to find out what the various fields are telling me.

[INFO] 127.0.0.1:49294 - 55974 "NS IN . udp 17 false 512" REFUSED qr,aa,rd 17 0.000134986s
[INFO] 127.0.0.1:37016 - 10766 "NS IN . udp 17 false 512" REFUSED qr,aa,rd 17 0.000131531s
[INFO] 172.30.32.1:33959 - 744 "A IN beekeeper.hivehome.com. udp 40 false 512" - - 0 12.007698093s
[ERROR] plugin/errors: 2 beekeeper.hivehome.com. A: read udp 127.0.0.1:58114->127.0.0.1:5553: i/o timeout
[INFO] 127.0.0.1:48285 - 13345 "NS IN . udp 17 false 512" REFUSED qr,aa,rd 17 0.000052994s
[INFO] 127.0.0.1:57340 - 7885 "NS IN . udp 17 false 512" REFUSED qr,aa,rd 17 0.000057346s
[INFO] 127.0.0.1:44708 - 25905 "NS IN . udp 17 false 512" REFUSED qr,aa,rd 17 0.000097529s

I have the same question