Re: SERVFAIL debugging

2009-06-29 Thread Dmitry Rybin

JINMEI Tatuya / 神明達哉 wrote:

At Wed, 24 Jun 2009 10:13:51 +0400,
Dmitry Rybin kirg...@corbina.net wrote:


new experimental feature just for that purpose:

Is this feature going to be back ported to 9.4 and 9.5 releases as well?

For 9.5, yes.  For 9.4, not according to the current plan.
named[87071]: 22-Jun-2009 13:18:23.256 query-errors: debug 2: fetch 
completed at resolver.c:6569 for static.cache.l.google.com/A in 
0.041364: SERVFAIL/success 
[domain:com,referral:1,restart:0,qrysent:0,timeout:0,lame:0,neterr:0,badresp:0,adberr:0,findfail:0,valfail:0]

Which version of BIND9 is this?  To match the line number we need the
exact version number.



FreeBSD 7.2-STABLE, bind from ports bind96-9.6.1


Okay, then the above log strongly suggests that the cache is full in
some unusual way and even recently fetched RR (which is in this case
NS for google.com) has been purged before it's actually used.

There have been bugs that could cause this symptom, but all known
problems should have been solved in 9.6.1.  So, I have no specific
idea about how exactly that happened.

Can you provide the following information?
- your complete named.conf
- if you enable statistics-channel, its output when you see this
  trouble
- the result of rndc dump when you see this trouble (note: rndc dump
  purges stale cache entries as a side effect and may hide the cause.
  It will still help investigate the problem)

If you think it's sensitive please contact me offlist.


I'll send it offlist, but results may be interested to all other.

Bind 9.7 works better, and I didn't see this error.
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Re: NS rr configuration: 1*NS + 4xA vs. 4xNS ?

2009-06-29 Thread Mark Andrews

In message 20090629101834.ga31...@fantomas.sk, Matus UHLAR - fantomas writes:
 Hello,
 
 I am planning to change NS records in our and our customers' zones.
 
 I'll have four nameservers on different networks, and I'd like to make
 configuration as easy as possible by using only one NS record for them all.

And harder to debug.  1 name to 1 machine is easy to debug.
 
 What I currently have is similar to:
 
 domain.example.IN NS ns.domain.example.
IN NS ns1.domain.example.
IN NS ns2.domain.example.
IN NS ns.example.com.
 ns.domain.example.  IN A 10.0.0.1
 ns1.domain.example. IN A 10.0.0.2
 ns2.domain.example. IN A 10.0.0.3
 ns.example.com. IN A 192.168.0.1
 
 I would like to change it this way:
 
 domain.example.IN NS ns.domain.example.
 ns.domain.example. IN A  10.0.0.1
IN A  10.0.0.2
IN A  10.0.0.3
IN A  192.168.0.1
 
 That way our customers for which we will configure slaves will only have to
 add one NS record instead of four (or less, which will currently put load on
 only some of our servers).
 
 
 customer.example. IN NS ns.customer.example.
   IN NS ns.domain.example.
 ns.customer.example. IN A 172.16.0.1
 
 - when bind will access to servers for the customer.example., will it spread
   the load onto all ip addresses equally, will it send half of queries to
   ns.customer.example. and half to ns.domain.example. ?
 
 (I know this usually only happens for first lookup but anyway)
 
 I am also planning to use hidden master so another question is:
 - will BIND send NOTIFY to all IP addresses of 1 NS record?
   (multiple A's for one name can be understood as one multihomed host)
 
 
 The rest is not strictly BIND-related, but I hope it may be acceptable in
 this list. Does anyone know, if:
 
 - will registrars who require more nameservers in different subnets accept
   providing only ns.domain.example. as a NS, or will they require other NS
   record?
   - if they require other NS record, will they accept ns.isp.example. with
 the same set of A records?
 
 -- 
 Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
 Warning: I wish NOT to receive e-mail advertising to this address.
 Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
 LSD will make your ECS screen display 16.7 million colors
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Re: NS rr configuration: 1*NS + 4xA vs. 4xNS ?

2009-06-29 Thread Matus UHLAR - fantomas
On 30.06.09 01:08, Mark Andrews wrote:
 In message 20090629101834.ga31...@fantomas.sk, Matus UHLAR - fantomas 
 writes:
  I am planning to change NS records in our and our customers' zones.
  
  I'll have four nameservers on different networks, and I'd like to make
  configuration as easy as possible by using only one NS record for them all.
 
   And harder to debug.  1 name to 1 machine is easy to debug.

running either of them behind a L3 switch makes it hard to debug again,
so I wouldn't take that as an issue.

-- 
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Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
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Using dig for checking domain registration

2009-06-29 Thread Scott Haneda
I have been using the below command to determine if a domain is  
registered.  I use this for an internal audit of what clients have  
come and gone, and what DNS records I need to clean up.


dig example.com NS +trace -4 @4.2.2.1 | grep -i ns1.example.com

I run it also with ns2.example.com in the grep to make certain my  
primary and secondary are listed.


My current trouble is that I am getting intermittent failures if the  
domain is not a tld of .com, .net, .org.


$dig customtruckgraphics.us NS +trace -4 @4.2.2.1 +short
NS F.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS M.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS G.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS E.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS D.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS L.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS C.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS K.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS I.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS J.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS A.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS B.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS H.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
dig: couldn't get address for 'J.GTLD.BIZ': not found

Can someone explain to me what is happening here, and also, provide a  
suggestion on how to best test for the conditions I am after?


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Re: dk dkim with dkimproxy

2009-06-29 Thread fake...@fakessh.eu

I get a weird error

[swilt...@localhost ~]$  host -t txt mail._domainkey.fakessh.eu. 
bitsy.mit.edu.
Using domain server:
Name: bitsy.mit.edu.
Address: 18.72.0.3#53
Aliases: 

Host mail._domainkey.fakessh.eu not found: 3(NXDOMAIN)
[swilt...@localhost ~]$ 

[swilt...@localhost ~]$  host -t txt mail._domainkey.renelacroute.fr. 
bitsy.mit.edu.
Using domain server:
Name: bitsy.mit.edu.
Address: 18.72.0.3#53
Aliases: 

mail._domainkey.renelacroute.fr descriptive 
text 
v=DKIM1\;t=s\;k=rsa\;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC9HIrVMndj/1F6YXlOae/1CukcWClnD2iJ9zslFaM2vAEwNJNfJkq/0aVdTCNF/EVZi3x51FKg8wjGFWNbPW3eFaVt8ZjX0wBPFviKFeVDd2VCDwgKgk9xw0AW31kok8OX2Inikid+lPiEffoqZ2j2QOgnUJ7WnFfbKbNsm+MPLQIDAQAB
[swilt...@localhost ~]$ 
the 2 areas are located on the same machine

one telnet fakessh.eu 2525 its ok
its not NXDOMAIN

Le lundi 29 juin 2009 21:52, fake...@fakessh.eu a écrit :
 i  dkimproxy update to the latest version which is in beta

 my secondary dns is not to me he plays tricks

 Le lundi 29 juin 2009 05:12, Byung-Hee HWANG a écrit :
  fake...@fakessh.eu fake...@fakessh.eu writes:
   that right now
   [swilt...@your-ab6cd29f8e ~]$  host -t txt
   fakessh.eu._domainkey.fakessh.eu. fakessh.eu._domainkey.fakessh.eu
   descriptive text v=DKIM1\;
   t=s\;k=rsa\;p=MIG[...]
 
  OK, your check seems good. Then you check try again with external public
  DNS (eg, bitsy.mit.edu) ;;
 
  $ host -t txt fakessh.eu._domainkey.fakessh.eu. bitsy.mit.edu.
 
  Sincerely,
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Re: dk dkim with dkimproxy

2009-06-29 Thread fake...@fakessh.eu
problem solved. I had forgotten it. at the end of the statement


Le lundi 29 juin 2009 22:27, fake...@fakessh.eu a écrit :
 I get a weird error

 [swilt...@localhost ~]$  host -t txt mail._domainkey.fakessh.eu.
 bitsy.mit.edu.
 Using domain server:
 Name: bitsy.mit.edu.
 Address: 18.72.0.3#53
 Aliases:

 Host mail._domainkey.fakessh.eu not found: 3(NXDOMAIN)
 [swilt...@localhost ~]$

 [swilt...@localhost ~]$  host -t txt mail._domainkey.renelacroute.fr.
 bitsy.mit.edu.
 Using domain server:
 Name: bitsy.mit.edu.
 Address: 18.72.0.3#53
 Aliases:

 mail._domainkey.renelacroute.fr descriptive
 text
 v=DKIM1\;t=s\;k=rsa\;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC9HIrVMndj/1F
6YXlOae/1CukcWClnD2iJ9zslFaM2vAEwNJNfJkq/0aVdTCNF/EVZi3x51FKg8wjGFWNbPW3eFaV
t8ZjX0wBPFviKFeVDd2VCDwgKgk9xw0AW31kok8OX2Inikid+lPiEffoqZ2j2QOgnUJ7WnFfbKbN
sm+MPLQIDAQAB [swilt...@localhost ~]$
 the 2 areas are located on the same machine

 one telnet fakessh.eu 2525 its ok
 its not NXDOMAIN

 Le lundi 29 juin 2009 21:52, fake...@fakessh.eu a écrit :
  i  dkimproxy update to the latest version which is in beta
 
  my secondary dns is not to me he plays tricks
 
  Le lundi 29 juin 2009 05:12, Byung-Hee HWANG a écrit :
   fake...@fakessh.eu fake...@fakessh.eu writes:
that right now
[swilt...@your-ab6cd29f8e ~]$  host -t txt
fakessh.eu._domainkey.fakessh.eu. fakessh.eu._domainkey.fakessh.eu
descriptive text v=DKIM1\;
t=s\;k=rsa\;p=MIG[...]
  
   OK, your check seems good. Then you check try again with external
   public DNS (eg, bitsy.mit.edu) ;;
  
   $ host -t txt fakessh.eu._domainkey.fakessh.eu. bitsy.mit.edu.
  
   Sincerely,

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Re: NS rr configuration: 1*NS + 4xA vs. 4xNS ?

2009-06-29 Thread Mark Andrews

In message 20090629200938.ga6...@fantomas.sk, Matus UHLAR - fantomas writes:
 On 30.06.09 01:08, Mark Andrews wrote:
  In message 20090629101834.ga31...@fantomas.sk, Matus UHLAR - fantomas wri
 tes:
   I am planning to change NS records in our and our customers' zones.
   
   I'll have four nameservers on different networks, and I'd like to make
   configuration as easy as possible by using only one NS record for them al
 l.
  
  And harder to debug.  1 name to 1 machine is easy to debug.
 
 running either of them behind a L3 switch makes it hard to debug again,
 so I wouldn't take that as an issue.

A L3 switch is still one virtual machine with one routing
entry and one path from the customer to the L3 switch.

There is no need to play this silly game.  It just make
things harder.  Some machines will make assumptions that
all the address refer to one machine and that some operations
shouldn't be retried because they won't get a different
response.

Mark
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1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
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Re: Using dig for checking domain registration

2009-06-29 Thread Scott Haneda

On Jun 29, 2009, at 5:08 PM, Mark Andrews wrote:

In message 76610622-42ba-4ed3-b945-14f6c6796...@newgeo.com, Scott  
Haneda writ

es:

I have been using the below command to determine if a domain is
registered.  I use this for an internal audit of what clients have
come and gone, and what DNS records I need to clean up.

dig example.com NS +trace -4 @4.2.2.1 | grep -i ns1.example.com

I run it also with ns2.example.com in the grep to make certain my
primary and secondary are listed.

My current trouble is that I am getting intermittent failures if the
domain is not a tld of .com, .net, .org.

$dig customtruckgraphics.us NS +trace -4 @4.2.2.1 +short
NS F.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS M.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS G.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS E.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS D.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS L.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS C.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS K.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS I.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS J.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS A.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS B.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
NS H.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
dig: couldn't get address for 'J.GTLD.BIZ': not found


J.GTLD.BIZ only has a IPv6 addresses.


Can someone explain to me what is happening here, and also, provide a
suggestion on how to best test for the conditions I am after?


You need to run a version of dig with this bug fix or just re-try.

2517.   [bug]   dig +trace with -4 or -6 failed when it  
chose a

   nameserver address of the excluded address.
   [RT #18843]

Which should read.

2517.   [bug]   dig +trace with -4 or -6 failed when it  
chose a
   nameserver address of the excluded address  
type.

   [RT #18843]

Alternatively do dig ns parent.zone, then
dig +norec ns child.zone @parent-server.



Hi Mark, thanks for the reply.  I do not understand your last  
suggestion.  If the domain in question is customtruckgraphics.us, can  
you show me an example of how to do this?


As to the versions, I would not be onjectionable to updating, how do I  
tell which version of dig is on the machine, as well as where to find  
the version that addresses the two bugs listed above?  I can not  
rebuild named entirely, as it was enough trouble getting DLZ working  
on RHEL. I would just need to fish out dig, and build that separate.


Thank you.
--
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Re: Using dig for checking domain registration

2009-06-29 Thread Mark Andrews

In message ba25c9bb-29d5-4771-bcad-4f6a34f69...@newgeo.com, Scott Haneda writ
es:
 On Jun 29, 2009, at 5:08 PM, Mark Andrews wrote:
 
  In message 76610622-42ba-4ed3-b945-14f6c6796...@newgeo.com, Scott  
  Haneda writ
  es:
  I have been using the below command to determine if a domain is
  registered.  I use this for an internal audit of what clients have
  come and gone, and what DNS records I need to clean up.
 
  dig example.com NS +trace -4 @4.2.2.1 | grep -i ns1.example.com
 
  I run it also with ns2.example.com in the grep to make certain my
  primary and secondary are listed.
 
  My current trouble is that I am getting intermittent failures if the
  domain is not a tld of .com, .net, .org.
 
  $dig customtruckgraphics.us NS +trace -4 @4.2.2.1 +short
  NS F.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS M.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS G.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS E.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS D.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS L.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS C.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS K.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS I.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS J.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS A.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS B.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  NS H.ROOT-SERVERS.NET. from server 4.2.2.1 in 19 ms.
  dig: couldn't get address for 'J.GTLD.BIZ': not found
 
  J.GTLD.BIZ only has a IPv6 addresses.
 
  Can someone explain to me what is happening here, and also, provide a
  suggestion on how to best test for the conditions I am after?
 
  You need to run a version of dig with this bug fix or just re-try.
 
  2517.   [bug]   dig +trace with -4 or -6 failed when it  
  chose a
 nameserver address of the excluded address.
 [RT #18843]
 
  Which should read.
  
  2517.   [bug]   dig +trace with -4 or -6 failed when it  
  chose a
 nameserver address of the excluded address  
  type.
 [RT #18843]
 
  Alternatively do dig ns parent.zone, then
  dig +norec ns child.zone @parent-server.
 
 
 Hi Mark, thanks for the reply.  I do not understand your last  
 suggestion.  If the domain in question is customtruckgraphics.us, can  
 you show me an example of how to do this?

% dig ns us
;  DiG 9.3.6-P1  ns us
;; global options:  printcmd
;; Got answer:
;; -HEADER- opcode: QUERY, status: NOERROR, id: 38654
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 6

;; QUESTION SECTION:
;us.IN  NS

;; ANSWER SECTION:
us. 518400  IN  NS  a.gtld.biz.
us. 518400  IN  NS  i.gtld.biz.
us. 518400  IN  NS  c.gtld.biz.
us. 518400  IN  NS  b.gtld.biz.
us. 518400  IN  NS  j.gtld.biz.
us. 518400  IN  NS  k.gtld.biz.

;; ADDITIONAL SECTION:
a.gtld.biz. 516703  IN  A   209.173.53.162
b.gtld.biz. 516685  IN  A   209.173.57.162
c.gtld.biz. 516677  IN  A   209.173.60.65
i.gtld.biz. 516687  IN  A   156.154.96.126
k.gtld.biz. 516672  IN  A   156.154.72.65
j.gtld.biz. 516601  IN  
2001:503:a124:::::ff7e

;; Query time: 438 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jun 30 10:32:37 2009
;; MSG SIZE  rcvd: 232

% dig +norec customtruckgraphics.us ns @a.gtld.biz
;  DiG 9.3.6-P1  +norec customtruckgraphics.us ns @a.gtld.biz
;; global options:  printcmd
;; Got answer:
;; -HEADER- opcode: QUERY, status: NOERROR, id: 22320
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 0

;; QUESTION SECTION:
;customtruckgraphics.us.IN  NS

;; AUTHORITY SECTION:
customtruckgraphics.us. 7200IN  NS  NS1.OCTANEDNS.COM.
customtruckgraphics.us. 7200IN  NS  NS2.OCTANEDNS.COM.

;; Query time: 242 msec
;; SERVER: 209.173.53.162#53(209.173.53.162)
;; WHEN: Tue Jun 30 10:33:22 2009
;; MSG SIZE  rcvd: 89

%

 As to the versions, I would not be onjectionable to updating, how do I  
 tell which version of dig is on the machine,

Look in the comments. I used dig from 9.3.6-P1 to make the above
queries.

 as well as where to find  the version that addresses the two bugs listed
 above?

One bug actually.  The ISC web site.

 I can not  
 rebuild named entirely, as it was enough trouble getting DLZ working  
 on RHEL. I would just need to fish out dig, and build that separate.

I suspect you will find it easier to just fully upgrade.
You may need to go find test rpms.  I'm not a Linux guy but
I'm sure they shouldn't be hard to find or 

Re: domain name length

2009-06-29 Thread Joe Baptista
yes - you can do that. and even assign the same NS or other if you want.  a
domain can be very large to the human eye.  I'm not sure how many characters
- but more then 200 I think.

Go crazy.
regards
joe baptista

On Mon, Jun 29, 2009 at 9:28 PM, Dan Letkeman danletke...@gmail.com wrote:

 Hello,

 Are there any issues with have domains like location.domain.com so
 all of my hosts will be host.location.domain.com ?  Currently we
 have everything under domain.com and it is getting to be very messy.

 Dan.
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Re: Using dig for checking domain registration

2009-06-29 Thread Mark Andrews

In message 8e6e793d-9326-47f3-aeef-c3e072b32...@newgeo.com, Scott Haneda writ
es:
 Comments interspersed below...
 
 On Jun 29, 2009, at 5:42 PM, Mark Andrews wrote:
 
  Hi Mark, thanks for the reply.  I do not understand your last
  suggestion.  If the domain in question is customtruckgraphics.us, can
  you show me an example of how to do this?
 
  % dig ns us
  ;  DiG 9.3.6-P1  ns us
  ;; global options:  printcmd
  ;; Got answer:
  ;; -HEADER- opcode: QUERY, status: NOERROR, id: 38654
  ;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 6
 
  ;; QUESTION SECTION:
  ;us.IN  NS
 
  ;; ANSWER SECTION:
  us. 518400  IN  NS  a.gtld.biz.
  us. 518400  IN  NS  i.gtld.biz.
  us. 518400  IN  NS  c.gtld.biz.
  us. 518400  IN  NS  b.gtld.biz.
  us. 518400  IN  NS  j.gtld.biz.
  us. 518400  IN  NS  k.gtld.biz.
 
  ;; ADDITIONAL SECTION:
  a.gtld.biz. 516703  IN  A   209.173.53.162
  b.gtld.biz. 516685  IN  A   209.173.57.162
  c.gtld.biz. 516677  IN  A   209.173.60.65
  i.gtld.biz. 516687  IN  A   156.154.96.126
  k.gtld.biz. 516672  IN  A   156.154.72.65
  j.gtld.biz. 516601  IN  2001:503:a124::::ff
 ff:ff7e
 
  ;; Query time: 438 msec
  ;; SERVER: 127.0.0.1#53(127.0.0.1)
  ;; WHEN: Tue Jun 30 10:32:37 2009
  ;; MSG SIZE  rcvd: 232
 
  % dig +norec customtruckgraphics.us ns @a.gtld.biz
  ;  DiG 9.3.6-P1  +norec customtruckgraphics.us ns @a.gtld.biz
  ;; global options:  printcmd
  ;; Got answer:
  ;; -HEADER- opcode: QUERY, status: NOERROR, id: 22320
  ;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 0
 
  ;; QUESTION SECTION:
  ;customtruckgraphics.us.IN  NS
 
  ;; AUTHORITY SECTION:
  customtruckgraphics.us. 7200IN  NS  NS1.OCTANEDNS.COM.
  customtruckgraphics.us. 7200IN  NS  NS2.OCTANEDNS.COM.
 
  ;; Query time: 242 msec
  ;; SERVER: 209.173.53.162#53(209.173.53.162)
  ;; WHEN: Tue Jun 30 10:33:22 2009
  ;; MSG SIZE  rcvd: 89
 
 So, the idea is to `dig ns us` and fish out any? of the NS's in the  
 result set, store that NS, and feed it to dig again, with `dig +norec  
 customtruckgraphics.us ns @a.gtld.biz` where `a.gtld.biz` is the  
 result I stored?

Yes.  That's effectively all dig +trace does except it
starts at the root and does it for each level and takes
advantage of the referral.
 
  I can not
  rebuild named entirely, as it was enough trouble getting DLZ working
  on RHEL. I would just need to fish out dig, and build that separate.
 
  I suspect you will find it easier to just fully upgrade.
  You may need to go find test rpms.  I'm not a Linux guy but
  I'm sure they shouldn't be hard to find or for that matter
  convert a existing source on.
 
 I wish I could, the bind that they are running is the only one I could  
 find to get to work with DLZ, and it was core dumping all over the  
 place.  I barely know linux, and would rather not touch it. If it is  
 possible to just build dig on rhel, I could go that route.
 
 Though I am not understanding the versions, you were using 9.3.6 and I  
 am using
 DiG 9.6.0-P1-RedHat-9.6.0-2.P1
 
 Since I am more current than you, I would estimate that the one bug is  
 fixed if it is in your version, of course, that is not the case:
 dig customtruckgraphics.us NS +trace -4 or -6 @4.2.2.1 +short
 dig: can't find IPv6 networking.
 
 Is this bug is a regression?

No.  I just used a older version as that is what ships with
the OS.  I have newer versions installed and I use them
when I need to.  named is always running a current version.
 
 I am giving it a go to build it on RHEL now, and just pull dig out.   
 Thanks for any other help.
 
 -- 
 Scott * If you contact me off list replace talklists@ with scott@ *
 
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
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Re: NS rr configuration: 1*NS + 4xA vs. 4xNS ?

2009-06-29 Thread Matus UHLAR - fantomas
 In message 20090629200938.ga6...@fantomas.sk, Matus UHLAR - fantomas writes:
  On 30.06.09 01:08, Mark Andrews wrote:
   In message 20090629101834.ga31...@fantomas.sk, Matus UHLAR - fantomas 
   wri
  tes:
I am planning to change NS records in our and our customers' zones.

I'll have four nameservers on different networks, and I'd like to make
configuration as easy as possible by using only one NS record for them 
al
  l.
   
 And harder to debug.  1 name to 1 machine is easy to debug.
  
  running either of them behind a L3 switch makes it hard to debug again,
  so I wouldn't take that as an issue.

On 30.06.09 10:01, Mark Andrews wrote:
   A L3 switch is still one virtual machine with one routing
   entry and one path from the customer to the L3 switch.

the difficulty of debugging the case when one IP directs to L3 switch with
more real machines behind is bigger than the difficvulty of debugging case
where one A points to more real IPs...

   There is no need to play this silly game.  It just make
   things harder.  Some machines will make assumptions that
   all the address refer to one machine and that some operations
   shouldn't be retried because they won't get a different
   response.

This is just what I wanted to know. Is there any evidenve that any DNS
resolvers have such behaviour?

-- 
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
Silvester Stallone: Father of the RISC concept.
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