Re: Yet another Quadruple DNS?

[Stephane Bortzmeyer <bortzmeyer () nic fr>]

On Wed, Mar 28, 2018 at 11:16:15PM +0300,
 DaKnOb <daknob.mac () gmail com> wrote 
 a message of 25 lines which said:

> Out of 1,000 RIPE Atlas Probes, only 34 report it as unreachable.

It's still a lot for IPv4. And it measures ony filtering, not hijacking
(which seems to exist, some probes get a DNS reply without the AD
bit, for instance).

Because of the heavy use of 1.1.1.1 in documentation, you can expect a
lot of networks to have trouble. Hey, 1.1.1.1 is even used in
Cloudflare's own documentation!
<https://api.cloudflare.com/#virtual-dns-users--get-virtual-dns-clusters>