Using NAT64 for IPv6 only DNS resolvers

2021-03-15 Thread Nico Schottelius
Good morning, I was wondering whether it is possible to configure IPv6 only BIND resolvers to make use of a NAT64 prefix for outgoing requests? I.e. the following situation: - Resolver = 2001:db8::1, IPv6 only - NAT64 prefix = 2001:db8:1:c001::/96 Now if bind sees example.com NS a.b.c.d, can

A love letter to bind

2021-02-22 Thread Nico Schottelius
Hey everyone, thanks to Mark and us indeed not reading *all* features bind has to provide correctly, I was inspired to write down a bit of DNS history at ungleich, which turned into a love letter for bind. You can find it on https://ungleich.ch/u/blog/love-letter-to-isc-bind/ and the TL;DR is:

Re: Filtering A records in combination with DNS64

2021-02-19 Thread Nico Schottelius
ultiple times > > >> On 19 Feb 2021, at 06:39, Nico Schottelius >> wrote: >> >> >> Good morning everyone, >> >> we have peculiar request to solve and were wondering whether it is at >> all possible with bind: >> >> a) >> For a

Filtering A records in combination with DNS64

2021-02-18 Thread Nico Schottelius
Good morning everyone, we have peculiar request to solve and were wondering whether it is at all possible with bind: a) For a certain source range, let's say 2001:db8::/96, we want to *only* reply with generated DNS64 entries - i.e. we want bind to only reply with mapped IPv4 addresses, NOT wit