[dns-operations] cmdns.dev.dns-oarc.net down?

[Ben Cox]

For what it's worth. My website bgp.tools shows similar data on the
front page, so that may be useful as a backup

> Hello!
>
> https://dnsviz.net/d/cmdns.dev.dns-oarc.net/dnssec/
>
> since cmdns.dev.dns-oarc.net appears to be down,
> what are other good websites that show end users their recursive
> resolver source IPs?
>
> best regards,
> Christoph