Adding to this Idea

It can be similar to what Quad9 has done at;
https://status.quad9.net/smap

Statuses available there are

• Online
• Bypass
• Maintenance
• Degraded
• Coming Soon
• Unknown

This status page should also be available to access via IP address if the DNS server were to be down and inaccessible for a user.

It should be similarly 'advertised' to the user like what OpenDNS/Umbrella has done
https://status.umbrella.com