Web site for checking DoH servers - free

[Stephane Bortzmeyer]

On Mon, May 17, 2021 at 04:50:55PM +0200,
 Frederic via Unbound-users <unbound-users at lists.nlnetlabs.nl> wrote 
 a message of 183 lines which said:

> Better with the link J
> 
> http://dohservers.unveiltech.com

The IP address is always displayed as 0.0.0.0 (even for IPv6 servers).

Latency is not really useful if we don't know from where the
measurements are done.