[rconti]

Yes, this page provides virtually no detail either before or after getting a SLOW or SOME PROBLEMS result. I spent a lot of time in the weeds of EDNS a couple years back and I tested that company's domain, and have frankly no idea what the results mean, what the change is, etc. Seems like a source article trying to encourage change could have been a little helpful beyond "upgrade yo' shit" without explaining what it means.

If you're running a DNS server and have problems, it's probably not a simple matter of blowing out the latest version of your software. You probably have a rat's nest of thousands of entries added over a decade or more, different firewall policies in front of different authoritative servers, caches, etc.