BIND seems to stop on first query. why?

[Richard Cabrera]

I apologize in advance for my pathetic knowledge of this subject. =)

I am running BIND 8.3.1, and if I restart my local name server and then query
it with nslookup, I will get a "No response from server" for the first (and
sometimes through the 4th) attempt, and then I will get an answer. This
happens consistently. Is there any logical reason for this?

here is an example from named.run where it didn't answer my query: (this is
my second attempt at querying the address)

datagram from [127.0.0.1].43162, fd 20, len 44
req: nlookup(204.205.26.24.IN-ADDR.ARPA) id 26995 type=12 class=1
req: found '204.205.26.24.IN-ADDR.ARPA' as '24.IN-ADDR.ARPA' (cname=0)
forw: forw -> [192.5.6.32].53 ds=5 nsid=15394 id=26995 4ms retry 4sec
datagram from [192.5.6.32].53, fd 5, len 12
resend(addr=0 n=1) -> [192.5.6.32].53 ds=5 nsid=15394 id=26995 4ms
datagram from [192.5.6.32].53, fd 5, len 126
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15394
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 0
;; 204.205.26.24.IN-ADDR.ARPA, type = PTR, class = IN
26.24.IN-ADDR.ARPA. 1D IN NS DNS1.RR.COM.
26.24.IN-ADDR.ARPA. 1D IN NS DNS2.RR.COM.
26.24.IN-ADDR.ARPA. 1D IN NS DNS3.RR.COM.
26.24.IN-ADDR.ARPA. 1D IN NS DNS4.RR.COM.
resp: nlookup(204.205.26.24.IN-ADDR.ARPA) qtype=12
resp: found '204.205.26.24.IN-ADDR.ARPA' as '26.24.IN-ADDR.ARPA' (cname=0)
sysquery: send -> [192.26.92.30].53 dfd=5 nsid=20767 id=0 retry=1017698262
sysquery: send -> [192.26.92.30].53 dfd=5 nsid=30080 id=0 retry=1017698262
sysquery: send -> [192.26.92.30].53 dfd=5 nsid=14741 id=0 retry=1017698262
sysquery: send -> [192.26.92.30].53 dfd=5 nsid=15854 id=0 retry=1017698262
datagram from [192.26.92.30].53, fd 5, len 12
resend(addr=0 n=1) -> [192.26.92.30].53 ds=5 nsid=20767 id=0 1ms
datagram from [192.26.92.30].53, fd 5, len 12
resend(addr=0 n=1) -> [192.26.92.30].53 ds=5 nsid=30080 id=0 1ms
datagram from [192.26.92.30].53, fd 5, len 12
resend(addr=0 n=1) -> [192.26.92.30].53 ds=5 nsid=14741 id=0 1ms
datagram from [192.26.92.30].53, fd 5, len 12
resend(addr=0 n=1) -> [192.26.92.30].53 ds=5 nsid=15854 id=0 1ms
datagram from [192.26.92.30].53, fd 5, len 180
datagram from [192.26.92.30].53, fd 5, len 180
datagram from [192.26.92.30].53, fd 5, len 180
datagram from [192.26.92.30].53, fd 5, len 180



Also, What is a typical limit on the number of queries per second that can be
made to a local name server? Is this at all configurable or just a matter of
machine resources? When you reach this limit does the name server drop the
packets, or attempt the query and/or simply return "timeout" waiting for
resources?

Thank you for any light you can shed on this.

Rick =)



Richard Cabrera
Software Engineer
Phone:678-258-6312
Fax:  678-258-6363
www.digitalenvoy.net

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