1) Confirm whether you need to forward at all. If you don't need to,
then remove the forwarders entries and that should take care of the
errors in your log.
2) If you *must* use forwarders, look at the part of the config that you
didn't show us, and determine whether there is something there (e.g.
query-source address and/or port, "server" stanza with an inappropriate
TSIG key or EDNS buffer size, etc.) that is causing your packets
destined for 216.171.238.66 to be dropped or rejected, by the target
server or some intermediate device in between.
- Kevin
Shi Jin wrote:
Try
dig @216.171.238.66 hp.com
to see if the .66 host answers to your queries. Maybe you
got a wrong IP
there? Try the same for .67, the other DNS.
Thank you very much. I tried what you suggested and it seems that these two
servers work perfectly. In fact, I can simply set my DNS to these two servers
and have the internet names resolved without any problem. The only reason I run
my own DNS server is to resolve the intranet names.
~$ dig @216.171.238.66 hp.com
; <<>> DiG 9.5.1-P2 <<>> @216.171.238.66 hp.com
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47923
;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 6, ADDITIONAL: 6
;; QUESTION SECTION:
;hp.com. IN A
;; ANSWER SECTION:
hp.com. 574 IN A 15.216.110.140
hp.com. 574 IN A 15.192.45.21
hp.com. 574 IN A 15.192.45.22
hp.com. 574 IN A 15.192.45.138
hp.com. 574 IN A 15.192.45.139
hp.com. 574 IN A 15.216.110.21
hp.com. 574 IN A 15.200.2.21
hp.com. 574 IN A 15.200.30.21
hp.com. 574 IN A 15.200.30.22
hp.com. 574 IN A 15.200.30.23
hp.com. 574 IN A 15.200.30.24
hp.com. 574 IN A 15.216.110.22
hp.com. 574 IN A 15.216.110.139
;; AUTHORITY SECTION:
hp.com. 86374 IN NS ns6.hp.com.
hp.com. 86374 IN NS ns3.hp.com.
hp.com. 86374 IN NS ns4.hp.com.
hp.com. 86374 IN NS ns1.hp.com.
hp.com. 86374 IN NS ns5.hp.com.
hp.com. 86374 IN NS ns2.hp.com.
;; ADDITIONAL SECTION:
ns6.hp.com. 43600 IN A 15.195.208.12
ns1.hp.com. 43600 IN A 15.219.145.12
ns2.hp.com. 43600 IN A 15.219.160.12
ns3.hp.com. 43600 IN A 15.203.209.12
ns4.hp.com. 43600 IN A 15.203.224.14
ns5.hp.com. 43600 IN A 15.195.192.37
;; Query time: 2 msec
;; SERVER: 216.171.238.66#53(216.171.238.66)
;; WHEN: Mon Sep 21 14:59:25 2009
;; MSG SIZE rcvd: 436
Can you see any problem there?
Thanks a lot.
Shi
--
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