Lightboard Lessons: Be Ready...DNS Flag Day is Coming!

February 1, 2019 is DNS Flag Day. This day could be catastrophic to your website if you don't have the appropriate configurations in place for your DNS servers. In this video, I outline the details...
Published Jan 25, 2019
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Bernabe_Crena
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Jan 29, 2019

Excellent explanation John! One Important thing: If you manage a Normal Cache Resolver DNS inside your company, is not mandatory to update your DNS to send EDNS and only accept EDNS responses. The most sensitive point is to make EDNS-compatible the Authoritative DNS, this issue is very important because starting 1 Feb several DNS resolver vendors will not accept noEDNS Authoritative DNS responses.

 

Regards!