DNS servers wont resolve certain DNS names

[Barry Finkel]

"Mike Hale" <mhale at TOUA.net> wrote:

>I run the DNS servers for toua.net. I have a user that complained that
>he can't resolve www.hardocp.com through our name servers. He was right.
>For some reason dig times out when resolving that address through our
>name servers but I can resolve it through the root servers. I checked my
>root server list and it's up-to-date. I don't do any request forwards
>through another server, so I'm not sure why this may be happening. Any
>hints on where to look?

I tried to use your two DNS servers to test, but I could not access
either one.  I am not sure what is happening, as I can successfully
traceroute to the NS2 and query the BIND version there.

==============================================================
britaine% dig toua.net ns

; <<>> DiG 8.3 <<>> toua.net ns 
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; QUERY SECTION:
;;      toua.net, type = NS, class = IN

;; ANSWER SECTION:
toua.net.               4H IN NS        NS1.toua.net.
toua.net.               4H IN NS        NS2.toua.net.

;; ADDITIONAL SECTION:
NS1.toua.net.           20h45m6s IN A   216.64.154.21

;; Total query time: 91 msec
;; FROM: britaine.ctd.anl.gov to SERVER: default -- 146.139.254.5
;; WHEN: Tue Oct 21 08:01:15 2003
;; MSG SIZE  sent: 26  rcvd: 78

britaine%
==============================================================
britaine% dig www.hardocp.com @NS1.toua.net.

; <<>> DiG 8.3 <<>> www.hardocp.com @NS1.toua.net. 
; (1 server found)
;; res options: init recurs defnam dnsrch
;; res_nsend to server NS1.toua.net.  216.64.154.21: Connection timed out
britaine%
==============================================================
britaine% dig www.hardocp.com @NS2.toua.net.

; <<>> DiG 8.3 <<>> www.hardocp.com @NS2.toua.net. 
; (1 server found)
;; res options: init recurs defnam dnsrch
;; res_nsend to server NS2.toua.net.  64.25.64.32: Connection timed out
britaine%
==============================================================
britaine% version.exec ns2.toua.net
; <<>> DiG 8.3 <<>> txt chaos version.bind +norec @ns2.toua.net 
;;      version.bind, type = TXT, class = CHAOS
version.bind.           0S CHAOS TXT    "9.2.1"
britaine%
==============================================================
britaine% dig www.hardocp.com @NS2.toua.net

; <<>> DiG 8.3 <<>> www.hardocp.com @NS2.toua.net 
; (1 server found)
;; res options: init recurs defnam dnsrch
;; res_nsend to server NS2.toua.net  64.25.64.32: Connection timed out
britaine%
==============================================================
britaine% dig +debug www.hardocp.com @NS2.toua.net

; <<>> DiG 8.3 <<>> +debug www.hardocp.com @NS2.toua.net 
; (1 server found)
;; res_nmkquery(QUERY, www.hardocp.com, IN, A)
;; res options: init debug recurs defnam dnsrch
;; res_send()
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61870
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUERY SECTION:
;;      www.hardocp.com, type = A, class = IN

;; Querying server (# 1) address = 64.25.64.32
;; new DG socket
;; timeout
;; Querying server (# 1) address = 64.25.64.32
;; timeout
;; res_nsend to server NS2.toua.net  64.25.64.32: Connection timed out
britaine%
==============================================================
----------------------------------------------------------------------
Barry S. Finkel
Computing and Instrumentation Solutions Division
Argonne National Laboratory          Phone:    +1 (630) 252-7277
9700 South Cass Avenue               Facsimile:+1 (630) 252-4601
Building 222, Room D209              Internet: BSFinkel at anl.gov
Argonne, IL   60439-4828             IBMMAIL:  I1004994