REVERSE ADDRESS RESOLUTION FOR IPV6
Bill Manning
bmanning at ISI.EDU
Tue Jan 9 05:02:53 UTC 2001
% > Forward zone entry may look like:
% > host2 IN AAAA 3ffe:501:ffff::a:b:c:d
% > or
% > host2 IN A6 3ffe:501:ffff::a:b:c:d
% >
% > And thus you revers in ip6.int would look like:
% > d.0.0.0.c.0.0.0.b.0.0.0.a.0.0.0.0.0.0.0.f.f.f.f.1.0.5.0.e.f.f.3 IN PTR
% > host2.mydomain.com.
%
% Let's try:
%
% zone "c.0.0.0.b.0.0.0.a.0.0.0.0.0.0.0.f.f.f.f.1.0.5.0.e.f.f.3.ip6.int" {
% type master;
% file "master/zone.3ffe:501:ffff::a:b:c";
% };
%
% ...
%
% d.0.0.0 IN PTR host2.mydomain.com.
%
% Those with actual experience in IPv6 may wish to correct me. [Bill?]
Well, the A6 RR is missing a field (the length)
but the basics are correct.
Its really prudent to ensure the SOA origin is correct,
for both the forward and inverse zones. Particularly for
the inverse zones, presuming correct offset w/ the '@'
is asking for trouble.
And the inverse -HAS- to be accurate, with -ALL- zeros
plugged in. In your example, your are missing the zero
between the 'f' and the '1'... e.g. :f.f.f.f.0.1.0.5:
--
--bill
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