IPv6 reverse delegation

[Mark Andrews]

In message <200907020659.n626xjlq033317 at drugs.dv.isc.org>, Mark Andrews writes:
> 
> In message <20090702083831.135ee95d.akolinare at gmx.net>, Akolinare writes:
> > Hello,
> > 
> > I want to configure a reverse delegation of a IPv6 subnet to a different na
> me
> > server. I guess this is common use for IPv6 to provide customers the possib
> il
> > ity to manage the reverse resolution on their own. But as long I search the
>  i
> > nternet and books for howtos, configuration examples or help I'm not able t
> o 
> > find anything. Furthermore I have to realize that it is quite difficult to 
> re
> > cognize which IPv6 DNS method is valid and which is out of date.
> > 
> > With IPv4 reverse delegation was quite simple:
> > 64/26           NS      ns.example.com.
> > $GENERATE 64-127 $ IN CNAME $.64/26
> > 
> > Is there any comparable use for IPv6?
> 
> 	It's not needed as you don't need to split the last octet
> 	in the DNS name to match the amount of space you have been
> 	given.
> 
> 	The address space given to you, as a end user site, will
> 	usually be on a nibble boundary, /48, /52, /56, /60 or /64,
> 	the latter only if your ISP is not following common/expected
> 	practice.  This allows you to have 65536 /64 sized subnets
> 	(the default size of a subnet) with a /48, down to 16 /64's
> 	with a /60.
> 
> 	The zone name for a single /64 will be like something like
> 	"0.2.8.0.0.0.f.1.0.7.4.0.1.0.0.2.ip6.arpa".  The containing
> 	/48 would be "0.0.f.1.0.7.4.0.1.0.0.2.ip6.arpa".

	And entries in the zone file will look like
	"a.6.0.4.4.8.1.9.8.b.7.7.0.7.4.6 PTR sapphire.dv.isc.org."

	I would let the machines add their own PTR records.

	The corresponding forward record is 
	sapphire.dv.isc.org AAAA 2001:470:1f00:820:6470:77b8:9184:406a
 
> 	Mark
> 
> > I would be appreciative for any advice/help.
> >
> > best regards
> > 
> >   Markus
> > _______________________________________________
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> > bind-users at lists.isc.org
> > https://lists.isc.org/mailman/listinfo/bind-users
> -- 
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org
> _______________________________________________
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> bind-users at lists.isc.org
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org