Re: Host command timing out sporadically

2012-05-03 Thread Tony Finch
Lyle Giese l...@lcrcomputer.net wrote: Don't use host. It's not telling us what is going wrong and it's only doing an A record lookup of host name. I agree dig is better for serious debugging, but for a quick check host isn't as bad as you suggest. $ host dotat.at dotat.at has address

Re: Max Client per Query

2012-05-03 Thread Matus UHLAR - fantomas
On 30.04.12 13:54, Rafael Molina wrote: I need information about how works max client per query and client per query ? if multiple clients send the same query, bind won't try to resolve multiple times, but wait until the answer comes. It needs to know which clients asked for that. I

Can I build a new DNS/BIND system parallel to our existing DNS production system?

2012-05-03 Thread Samad Agha
Dear DNS/BIND gurus, I am the sole Unix/Linux/Backup Admin for a midsize city in California. I also inherited a old DNS/BIND (BIND 8.2.2-P5) system running on a Sun-Fire-V210 with Solaris 8 on it. The city is comprised of a hotchpotch of many Windows domains/domain-controllers, WINS servers, and

Re: Can I build a new DNS/BIND system parallel to our existing DNS production system?

2012-05-03 Thread Eivind Olsen
Samad Agha wrote: 1- Is it possible to treat the entire environment as brand new, start building a couple of Linux name servers running the latest and greatest BIND S/W, start populating it in parallel with our current production system, and once the new system is completely up and running,

Re: Can I build a new DNS/BIND system parallel to our existing DNS production system?

2012-05-03 Thread John Miller
Hi Samad, It's entirely possible to roll out a parallel BIND installation. We're doing something similar at Brandeis right now--a mix of BIND and PowerDNS servers. I take it that your current BIND setup is purely authoritative? Or is it also handling recursive requests? John On

Re: Can I build a new DNS/BIND system parallel to our existing DNS production system?

2012-05-03 Thread Samad Agha
Thanks for your help Eivind. Depends, how long is a piece of string? I don't know what amount of traffic you're currently seeing, or what your uptime requirements are. - Are there tools to find out about current amount of traffic? - Our uptime requirements are basically from 6am to 6pm during

Re: dynamic update to SOA records

2012-05-03 Thread cloud cache
But, how will I know the current serial number of the zone, if the zone has been changing frequently? Thank you. On Tue, 01 May 2012 09:42:40 +0100, Phil Mayers p.may...@imperial.ac.uk wrote: On 04/27/2012 02:37 AM, cloud cache wrote: Hello, How to use nsupdate to dynamic update the SOA

Re: Can I build a new DNS/BIND system parallel to our existing DNS production system?

2012-05-03 Thread Daniel Deighton
On 05/03/2012 02:44 PM, Samad Agha wrote: Thanks for your help Eivind. Depends, how long is a piece of string? I don't know what amount of traffic you're currently seeing, or what your uptime requirements are. - Are there tools to find out about current amount of traffic? - Our uptime

Invitation to help ISC out with BIND10 command line tool testing

2012-05-03 Thread Larissa Shapiro
Dear BIND User Community, The BIND 10 engineering team and are looking for BIND 9 users or other DNS users who would be interested in helping us do some requirements gathering and prototype testing. We're asking a select group of customers to apply to be in a user test project for the command

Re: Can I build a new DNS/BIND system parallel to our existing DNS production system?

2012-05-03 Thread Samad Agha
Thanks Daniel, I really appreciate your help. SA On Thu, May 3, 2012 at 1:34 PM, Daniel Deighton ddeighton-...@aplura.comwrote: On 05/03/2012 02:44 PM, Samad Agha wrote: Thanks for your help Eivind. Depends, how long is a piece of string? I don't know what amount of traffic you're

Re: dynamic update to SOA records

2012-05-03 Thread Mark Andrews
In message f771e61acd065e9d65064d44e69d1...@mail.mxes.net, cloud cache writes : But, how will I know the current serial number of the zone, if the zone has been changing frequently? Thank you. You ask the master for the current SOA, add a small number to the serial then send, then check

Re: Can I build a new DNS/BIND system parallel to our existing DNS production system?

2012-05-03 Thread Peter Andreev
Hello, Samad, Another way to estimate you query rate is using system's udp counters. Not as precise as query logging, but doesn't cause performance drop in case of high query rates and accurate enough for estimation. 2012/5/4 Samad Agha samad.agha2...@gmail.com Thanks Daniel, I really