BIND9 don't query specific nameserver with IPv4 address.
phn at icke-reklam.ipsec.nu
phn at icke-reklam.ipsec.nu
Thu Jun 24 05:39:05 UTC 2004
JINMEI Tatuya / $B?@L at C#:H(B <jinmei at isl.rdc.toshiba.co.jp> wrote:
>>>>>> On Wed, 23 Jun 2004 16:21:18 +0000 (UTC),
>>>>>> phn at icke-reklam.ipsec.nu said:
>> Don't worry bout bind-9, it's the domain "sm.sony.co.jp" that is
>> broken.
>> Among the problems :
>> the domain is delegated to "widefw.csl.sony.co.jp (133.138.1.1)" ,
>> that server however says "ns.sony.co.jp (137.153.0.11), which is
>> Lame, and "widens.sm.sony.co.jp (133.138.10.1)" as nameservers.
> This is not lame, though somewhat unusual. This is simply a case
> where an upper zone server only has a subset of the nameservers of a
> child zone.
It *was* lame at the time i did the measurment.
Now it's not lame, but instead using a zeroTTL soa record:
> dig sm.sony.co.jp soa @137.153.0.11
; <<>> DiG 8.3 <<>> sm.sony.co.jp soa @137.153.0.11
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2
;; QUERY SECTION:
;; sm.sony.co.jp, type = SOA, class = IN
;; ANSWER SECTION:
sm.sony.co.jp. 0S IN SOA widens.sm.sony.co.jp. onoe.sm.sony.co.jp. (
66 ; serial
10M ; refresh
5M ; retry
5w6d16h ; expiry
10M ) ; minimum
( repeated on a different system ) :
> dig sm.sony.co.jp soa @137.153.0.11
; <<>> DiG 9.2.3 <<>> sm.sony.co.jp soa @137.153.0.11
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6687
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2
;; QUESTION SECTION:
;sm.sony.co.jp. IN SOA
;; ANSWER SECTION:
sm.sony.co.jp. 0 IN SOA widens.sm.sony.co.jp. onoe.sm.so
ny.co.jp. 66 600 300 3600000 600
> The real source of the problem is the one I pointed out in my earlier
> message.
Yes, that is a good analyze.
The zone has problems.
> JINMEI, Tatuya
> Communication Platform Lab.
> Corporate R&D Center, Toshiba Corp.
> jinmei at isl.rdc.toshiba.co.jp
--
Peter Håkanson
IPSec Sverige ( At Gothenburg Riverside )
Sorry about my e-mail address, but i'm trying to keep spam out,
remove "icke-reklam" if you feel for mailing me. Thanx.
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