#Mozilla will change the way your #Firefox looks up DNS records. They say it's to protect your privacy and thats even somehow true. They announced two different ways to handle DNS lookups:
The first one is DoH (DNS over HTTPS) wich makes a lot of sense, since it just encrypts the DNS lookups.
The other one is TRR (Trusted Recursive Resolver) & involves sending all Firefox users' DNS lookups to a private, US based tech firm: #Cloudflare.
Here's why this is a bad idea:
https://blog.ungleich.ch/en-us/cms/blog/2018/08/04/mozillas-new-dns-resolution-is-dangerous/