BIND 9 with views recursion issues

FredrichManey fredrichmaney at gmail.com
Tue Nov 14 16:51:00 UTC 2006


More detail......

When diagnosing the issue I get truly odd and inconsistent results. By
specifying different options to 'dig' I can sometimes resolve, and
sometimes not.

For example, one of the sites that is failing is www.samsclub.com.
Here's the output from 'dig' with various options:

root at dns02# dig @10.3.8.101 www.samsclub.com
; <<>> DiG 9.3.2 <<>> @10.3.8.101 www.samsclub.com
; (1 server found)
;; global options:  printcmd
;; connection timed out; no servers could be reached


root at dns02# dig @10.3.8.101 +trace www.samsclub.com
; <<>> DiG 9.3.2 <<>> @10.3.8.101 +trace www.samsclub.com
; (1 server found)
;; global options:  printcmd
.                       516649  IN      NS      H.ROOT-SERVERS.NET.
.                       516649  IN      NS      I.ROOT-SERVERS.NET.
.                       516649  IN      NS      J.ROOT-SERVERS.NET.
.                       516649  IN      NS      K.ROOT-SERVERS.NET.
.                       516649  IN      NS      L.ROOT-SERVERS.NET.
.                       516649  IN      NS      M.ROOT-SERVERS.NET.
.                       516649  IN      NS      A.ROOT-SERVERS.NET.
.                       516649  IN      NS      B.ROOT-SERVERS.NET.
.                       516649  IN      NS      C.ROOT-SERVERS.NET.
.                       516649  IN      NS      D.ROOT-SERVERS.NET.
.                       516649  IN      NS      E.ROOT-SERVERS.NET.
.                       516649  IN      NS      F.ROOT-SERVERS.NET.
.                       516649  IN      NS      G.ROOT-SERVERS.NET.
;; Received 436 bytes from 10.3.8.101#53(10.3.8.101) in 2 ms

com.                    172800  IN      NS      a.gtld-servers.net.
com.                    172800  IN      NS      g.gtld-servers.net.
com.                    172800  IN      NS      h.gtld-servers.net.
com.                    172800  IN      NS      c.gtld-servers.net.
com.                    172800  IN      NS      i.gtld-servers.net.
com.                    172800  IN      NS      b.gtld-servers.net.
com.                    172800  IN      NS      d.gtld-servers.net.
com.                    172800  IN      NS      l.gtld-servers.net.
com.                    172800  IN      NS      f.gtld-servers.net.
com.                    172800  IN      NS      j.gtld-servers.net.
com.                    172800  IN      NS      k.gtld-servers.net.
com.                    172800  IN      NS      e.gtld-servers.net.
com.                    172800  IN      NS      m.gtld-servers.net.
;; Received 494 bytes from 128.63.2.53#53(H.ROOT-SERVERS.NET) in 33 ms

samsclub.com.           172800  IN      NS      ns2.wal-mart.com.
samsclub.com.           172800  IN      NS      ns3.wal-mart.com.
samsclub.com.           172800  IN      NS      ns4.wal-mart.com.
samsclub.com.           172800  IN      NS      ns5.wal-mart.com.
;; Received 179 bytes from 192.5.6.30#53(a.gtld-servers.net) in 29 ms

www.samsclub.com.       300     IN      CNAME   samsclub.com.
samsclub.com.           300     IN      A       161.165.194.66
samsclub.com.           300     IN      NS      ns5.wal-mart.com.
samsclub.com.           300     IN      NS      ns1.wal-mart.com.
samsclub.com.           300     IN      NS      ns2.wal-mart.com.
samsclub.com.           300     IN      NS      ns3.wal-mart.com.
samsclub.com.           300     IN      NS      ns4.wal-mart.com.
;; Received 243 bytes from 161.165.192.60#53(ns2.wal-mart.com) in 56 ms


root at dns02# dig @10.3.8.101 +norec www.samsclub.com
; <<>> DiG 9.3.2 <<>> @10.3.8.101 +norec www.samsclub.com
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 526
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 0

;; QUESTION SECTION:
;www.samsclub.com.              IN      A

;; AUTHORITY SECTION:
samsclub.com.           170948  IN      NS      ns3.wal-mart.com.
samsclub.com.           170948  IN      NS      ns4.wal-mart.com.
samsclub.com.           170948  IN      NS      ns5.wal-mart.com.
samsclub.com.           170948  IN      NS      ns2.wal-mart.com.

;; Query time: 1 msec
;; SERVER: 10.3.8.101#53(10.3.8.101)
;; WHEN: Tue Nov 14 11:45:50 2006
;; MSG SIZE  rcvd: 115

; <<>> DiG 9.3.2 <<>> @10.3.8.101 +rec www.samsclub.com
; (1 server found)
;; global options:  printcmd
;; connection timed out; no servers could be reached



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