Useful way to check your DNS

Green A, 100% and 3 stars … 

yes known about this test for some time never tested on VM DNS just my bind setup and get a "B" with Transport IPv6 fail

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Tudor wrote:

https://cmdns.dev.dns-oarc.net/

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Fine, but what does it do?

So I click on your link and get, apparently 100%, and that means what exactly?

It’s a pile of cr*p rubbish isn’t it?

Some explanation to people about what this is, what it does and what things mean might be useful