[dns-operations] Looking for a public blackhole/sinkhole IP address

[Stephane Bortzmeyer]

On Wed, Nov 26, 2014 at 03:25:47PM +0100,
 Stephane Bortzmeyer <bortzmeyer at nic.fr> wrote 
 a message of 25 lines which said:

> The idea is to delegate some domain names to unresponsive name servers
> (deleting the domain name is less efficient, since the negative TTL is
> smaller than the delegation TTL).

And, of course, proposals like "the IP address of someone you don't
like" are not ethically acceptable :-)