'Back to Eli' is a typical expression used by it-professionals, when they run into people who are supposed to be professionals but actually are missing some basic computer knowledge. Eli the computer guy is a YouTube teacher that makes little movies about technology and he repeats himself so many times that it is impossible you will ever forget...
Why would you hack your dns?
- block pages from employees on corporate network
- routers do not allow to loop outside your network and back in
Order in which DNS resolves domain names into ip addresses
- local hosts file
- Windows: dir C:\Windows\System32\drivers\etc\hosts
- Linux: ls -l /etc/hosts
- local or private dns server
- mostly the one handing out DHCP eg. router
- service like dyndns.com
- public dns servers
- google.com: 22.214.171.124 and 126.96.36.199 (DNS Client Service)
- opendns.org: 188.8.131.52 and 184.108.40.206 (filtered dns)
VPN - Virtual Private Networking
- old routers might not allow vpn pass-through