[Yeti DNS Discuss] One funny naming scheme for root name servers, to test

[Marc Blanchet]

On 6 Apr 2016, at 15:51, Stephane Bortzmeyer wrote:

> Suggestion from Paul Hoffman: use just one name, and one IP address
> per server. So, for instance:
>
> .             IN    NS     the-real-and-only.root.
> the-real-and-only.root.  IN AAAA 240c:f:1:22::6
>                          IN AAAA 2a01:4f8:161:6106:1::10
>                          IN AAAA 2001:e30:1c1e:1::333
>                          IN AAAA 2a02:ec0:200::1
>                          IN AAAA 2001:4b98:dc2:45:216:3eff:fe4b:8c5b
>                          IN AAAA 2001:67c:217c:6::2
>                          IN AAAA 2a02:2810:0:405::250
>                          IN AAAA 2001:6d0:6d06::53
>                          IN AAAA 2001:1398:1:21::8001
>                          IN AAAA 2001:559:8000::6
>                          IN AAAA 2001:200:1d9::35
>                          IN AAAA 2604:6600:2000:11::4854:a010
>                          IN AAAA 2001:620:0:ff::29
>                          IN AAAA 2a02:cdc5:9715:0:185:5:203:53
>                          IN AAAA 2001:1608:10:167:32e::53
>
> In theory, it should work because RFC 1034 is crystal-clear: "[in case
> of failure] The client should try other servers and server addresses
> before repeating a query to a specific address of a server." So, the
> client, the resolver, will try all the IP *addresses* of
> the-real-and-only.root before giving in.
>
> On the other hand, not every implementer reads the RFC and some
> resolvers will try only other *names* and thus failed the first time
> they will encounter a problem.
>
> A good way to test it would be to add deliberately unreachable
> addresses to the above set.

I like this a lot! good idea to use yeti for that test!

Marc.

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