Apparently Cisco operates a popular DNS resolver? Never heard of that before.

And definitely don't learn how to use a VPN. Or set up Unbound or Bind or PowerDNS Recursive...
- Cisco bought OpenDNS a few years ago,
  
  Ah crap, good to know. This sucks though, I was thinking of using it to replace CF. What's left? Quad9 and the unbound type?
  
  ATM I'm using Quad9 and OpenNIC but I'm not sure how much of everything do they cover. I'm also not well aware of any other good "flat DNS" alternative (aka: one you can put right into your /etc/resolv.conf / Windows LAN config, without need of extra internal service).
  
  Uncensoreddns is a great alternative.
- Cisco operates from the ISP side, they'll poison DNS through their routers. And you should be aware that your ISP will employ Deep Packet Inspection which can also be done with Cisco routers. That means they can intercept internet traffic, especially if your internet connection is not encrypted.
  
  ISPs were already required to block the sites. I don't think an additional block on the Cisco side would change anything in that case.
  
  Guess ill be trying my hand at building my own pfsense router

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