[dns-operations] EDNS and TLDs

[Jim Reid]

> On 17 Nov 2016, at 02:49, Matthew Pounsett <matt at conundrum.com> wrote:
> 
> It might be worth noting that IANA requires the MNAME in a gTLD to be a real host, which guarantees that TLDs see UPDATE noise that they would rather not receive.

IMO that's part of the cost of doing business for a TLD operator and they just have to suck it up. They certainly shouldn't be imposing that cost on someone else, for instance by punting the unwanted traffic at the root.

>  I've always been a little annoyed that no "do not send updates" signal was never considered when the UPDATE mechanism was codified.

But how would someone get that signal without sending an unwanted update? :-)