[AusNOG] IPv6 Reverse DNS, was: ISP DNS Options

[Tim Warnock]

Use a computational dns server. One that uses a pattern for forward and reverse, then just have exemptions.

http://member.wide.ad.jp/~fujiwara/v6rev.html is anexample that seems to work quite well.

-----Original Message-----
From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of David Beveridge
Sent: Tuesday, 3 May 2016 5:30 PM
To: Nick Stallman <nick at agentpoint.com>
Cc: ausnog at lists.ausnog.net
Subject: Re: [AusNOG] IPv6 Reverse DNS, was: ISP DNS Options

Having two SQL records (AAAA & PTR) for every IPv6 address is not going to scale very well.
That's a lot of rows if you have /32

I'm sure there is a much better way of doing this.

On Tue, May 3, 2016 at 5:18 PM, Nick Stallman <nick at agentpoint.com <mailto:nick at agentpoint.com> > wrote:


	Yep. Admittedly not a lot of records, but there is no practical limit with that kind of set up.


	On 03/05/16 16:49, David Beveridge wrote:
	

		Do you have a reverse entry and matching AAAA record for every IPv6 Address in your network?  or at least the ones in use?
		

		On Tue, May 3, 2016 at 4:44 PM, Nick Stallman <nick at agentpoint.com <mailto:nick at agentpoint.com> > wrote:
		

			I use PowerDNS/MySQL for our IPv4 and v6 PTR records.
			
			It was pretty trivial to set up assuming you own your IP block.
			
			I don't allow customers to manage their own records but that is due to no one wanting to do it, not because I can't.
			It would be pretty trivial to add that capability. 


			On 03/05/16 14:15, David Beveridge wrote:
			

				I'd be more interested to know how people are solving the reverse DNS problem in IPv6. 

				Ideally customers should be able to self manage any static entries they have and have a fall back for everything else, with matching AAAA of course.

				I just got an IPv6 PTR record done by Telstra and it took several weeks to provision.

				I'm thinking of have a SQL database with PowerDNS (or ProBind) for the statics and LUA or Perl plugin for the dynamics.

				dave
				

				On Tue, May 3, 2016 at 12:38 PM, <mailto:paul%2Bausnog at oxygennetworks.com.au> paul+ausnog at oxygennetworks.com.au < <mailto:paul+ausnog at oxygennetworks.com.au> paul+ausnog at oxygennetworks.com.au> wrote:
				

					Hi All, we are looking at DNS Server options for an ISP business of around 10,000 customers using ADSL, NBN, Ethernet, and Wireless services.

					 

					Currently the BIND solution which is in place is working but we are wondering what people would suggest as a next step that is easy to manage and cost effective to implement and that can grow with the business to handle 20-50,000 services eventually.

					 

					Any advice would be appreciated.

					 

					Thanks

					Paul


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	-- 
	Nick Stallman
	Technical Director
	Agentpoint Pty Ltd 
	The Real Estate Web Developers
	Melbourne | Sydney | Miami
	nick at agentpoint.com <mailto:nick at agentpoint.com> 
	www.agentpoint.com.au <http://www.agentpoint.com.au>  | www.zooproperty.com <http://www.zooproperty.com>  | www.ginga.com.au <http://www.ginga.com.au>  | www.business2.com.au <http://www.business2.com.au> 
	
	Business2.com.au <http://Business2.com.au>  is a real estate agent information website that helps you understand Portals, Technology and comes with FREE tools to help your Agency become an online success!