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

[Robert Edmonds]

Stephane Bortzmeyer wrote:
> I was thinking of non-routed addresses like 198.18.0.0/15 or
> 203.0.113.0/24 but it's not their normal use. AFAIK, there are no
> "public sinkholes" IPv4 addresses. For IPv6, there is 100::/64 but it
> is only internal, there is no public 100::/64 service.

There is some precedent for using TEST-NET addresses to shed DNS
queries.  RFC 6471 §3.4 suggests such a procedure when shutting down
DNSBLs, and there is at least one DNSBL that uses it (list.dsbl.org).

-- 
Robert Edmonds