<div dir="ltr"><div><div class="gmail_extra"><div><br></div>It might be an idea to prefix the IPv6 characters with 0x to avoid the overlap and clearly indicate it's an IPv6 address chunk/hextet/whatever they're called now.<br clear="all">
<br><div class="gmail_quote">On 4 December 2014 at 15:17, Beeson, Ayden <span dir="ltr"><<a href="mailto:ABeeson@csu.edu.au" target="_blank">ABeeson@csu.edu.au</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I thought about that too, but one is A and the other is AAAA so I figured that would be acceptable to use the same for both where it is required :)<br>
<span class="im HOEnZb"><br>
Thanks,<br>
Ayden Beeson<br>
<br>
-----Original Message-----<br>
</span><div class="HOEnZb"><div class="h5">From: Daniel [mailto:<a href="mailto:daniel@dwatson.me">daniel@dwatson.me</a>]<br>
Sent: Thursday, 4 December 2014 4:01 PM<br>
To: Beeson, Ayden; 'Jacob Kino'; <a href="mailto:AusNOG@lists.ausnog.net">AusNOG@lists.ausnog.net</a><br>
Subject: RE: [AusNOG] Reverse DNS Recommendations<br>
<br>
Think alike :p<br>
<br>
We do similar, <a href="http://103.18.205.0/24" target="_blank">103.18.205.0/24</a> we call the gateway "<a href="http://gw-205.nsw.au.glovine.com.au" target="_blank">gw-205.nsw.au.glovine.com.au</a>"<br>
<br>
IPv6 is very similar, 2406:8900:10::/48 we call the gateway "<a href="http://gw-10.nsw.au.glovine.com.au" target="_blank">gw-10.nsw.au.glovine.com.au</a>"<br>
<br>
We might change this in the near future as you can see numbers will start clashing soon if we get upto 2406:8900:205::/48 :d<br>
<br>
D.<br>
<br>
-----Original Message-----<br>
From: Beeson, Ayden [mailto:<a href="mailto:ABeeson@csu.edu.au">ABeeson@csu.edu.au</a>]<br>
Sent: Thursday, 4 December 2014 3:58 PM<br>
To: 'Daniel'; 'Jacob Kino'; '<a href="mailto:AusNOG@lists.ausnog.net">AusNOG@lists.ausnog.net</a>'<br>
Subject: RE: [AusNOG] Reverse DNS Recommendations<br>
<br>
I think Jacob is more referring to what to put for the reverse PTR's for devices that don't have clear single IP A/AAAA/PTR records, such as routers, vlans etc.<br>
<br>
What we have done here (or are doing, it's still in flux so I'm open to ANY other better suggestions) is to base the PTR on the IP / subnet it is serving.<br>
<br>
We have a single /16 IPv4 which for the most part is divided into /24's, so we are planning to basically reflect the IP directly.<br>
<br>
I.e. for 137.166.140.254 (the router for my subnet) we will call it gw-140 and insert relevant A and PTR records for this, for those with HSRP etc you can add -a / -b etc as well.<br>
<br>
I have adapted this for IPv6 as well for our /32, so for example<br>
2405:2d00:301:2000::1 (my router again) becomes gw-301-2000<br>
<br>
It's not perfect, but at least it's predictable and repeatable. For the more specific subnets such as P2P /30, /31, /126 or /127's I haven't come up with a solid plan yet other than to scale this out to a longer name, or potentially go with a more descriptive name.<br>
<br>
It also wouldn't work if you had a whole bunch of separate network ranges, at least not in a small and easy fashion.<br>
<br>
Thanks,<br>
Ayden Beeson<br>
<br>
-----Original Message-----<br>
From: AusNOG [mailto:<a href="mailto:ausnog-bounces@lists.ausnog.net">ausnog-bounces@lists.ausnog.net</a>] On Behalf Of Daniel<br>
Sent: Thursday, 4 December 2014 3:37 PM<br>
To: 'Jacob Kino'; <a href="mailto:AusNOG@lists.ausnog.net">AusNOG@lists.ausnog.net</a><br>
Subject: Re: [AusNOG] Reverse DNS Recommendations<br>
<br>
Not sure if it helps or not, but we recently went through the same process<br>
<br>
How we tackled it, was we setup 4 VM's around the country, all on separate subnets, aka for example of the following<br>
<br>
10.1.1.251<br>
10.1.2.251<br>
10.1.3.251<br>
10.1.4.251<br>
<br>
Which is RFC complient<br>
<br>
We used powerdns/poweradmin to control all of this<br>
<br>
Hope this helps in a round about way :D<br>
<br>
<br>
D.<br>
<br>
-----Original Message-----<br>
From: AusNOG [mailto:<a href="mailto:ausnog-bounces@lists.ausnog.net">ausnog-bounces@lists.ausnog.net</a>] On Behalf Of Jacob Kino<br>
Sent: Thursday, 4 December 2014 3:28 PM<br>
To: <a href="mailto:AusNOG@lists.ausnog.net">AusNOG@lists.ausnog.net</a><br>
Subject: [AusNOG] Reverse DNS Recommendations<br>
<br>
Hi All,<br>
<br>
We're in the process of doing some spring cleaning around our network and looking to implement more consistent and meaningful reverse DNS.<br>
<br>
I had a look back through the archives and didn't find anything useful in terms of either an RFC (wouldn't have really expected one) or references to guidelines/a standard.<br>
<br>
We've performed some analysis on what others do, but due to the design of our network there are some cases where we aren't quite sure what's most appropriate.<br>
<br>
Specifically, VLANs seem to present a bit of a challenge as well as links between virtualized firewall instances. I'm trying to come up with a conceptual framework that makes general sense so we can develop something from that, if such a thing exists.<br>
<br>
If anyone has tackled this issue and has guidance they can share, that would be excellent - happy for on-list and off-list replies.<br>
<br>
Cheers,<br>
<br>
Jacob | Interconnekt<br>
<br>
<br>
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</div></div></blockquote></div><br></div></div></div>