Re: Authoritative Resources for Public DNS Pinging

[sronan () ronan-online com]

Usage of 1.1.1.1 has been widespread amongst wireless controllers for a very long time, as an address for their captive 
portals.

Shane


> On Feb 11, 2022, at 3:44 PM, Mike Lewinski via NANOG <nanog () nanog org> wrote:
>
> On a related note, I just discovered a NID that has 1.1.1.1 assigned to the outband interface by default, and it is 
> apparently not user modifiable. So, not only can these devices never use 1.1.1.1 for name resolution, but attempts to 
> determine "is the circuit up" by pinging it will always return bad information. To really pour salt on the wound, 
> this device has no physical outbound interface (likely why the UI doesn't allow changing it).
>
> Bug report filed. I don't really want to use it for either purpose, but hopefully a fix saves someone else the 
> headache. And it really chaps my .... when public addresses get used this way.