Running your own DNS server

<Info Sharing> Tips on running your own DNS server

Technical tip sharing time…

Many of us like to use public DNS servers i.e. Google, OpenDNS rather than our ISP default DNS servers.
This helps when your ISP DNS servers decided to fail as we have encountered with an ISP twice already.

Have you tried running your own DNS server instead? As Public DNS might tracks your surfing behaviour.

On my Mac OS X, I tried bind instead of dnsmasq and utilise brew services instead of sudo launchctl

# Install open source DNS server bind on OS X
$ brew install bind
$ brew tap homebrew/services
$ brew services start bind
$ dig @127.0.0.1 google.com

At this point, if bind is running properly you might want to point OS X to it.
Choose Apple menu > System Preferences, then click Network.
In the list at the left, select the network connection you using (such as Wi-Fi or Ethernet), then click Advanced.
Click DNS, then click the “-“ Subtract to remove your existing DNS and “+” Add your local DNS (bind) as 127.0.0.1.

# Check if bind is running and restart if it has stopped.
$ brew services list
$ brew services restart bind

Reference:
https://gist.github.com/cyril-bouthors/d62ecb9baba23f400e81
https://robots.thoughtbot.com/starting-and-stopping-background-services-with-homebrew

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Common open DNS servers

Cloudflare DNS
1.1.1.1
1.0.0.1
2606:4700:4700::1111
2606:4700:4700::1001

Google DNS
8.8.8.8
8.8.4.4
2001:4860:4860::8888
2001:4860:4860::8844

OpenDNS
208.67.222.222
208.67.220.220
2620:0:ccc::2
2620:0:ccd::2

Quad9 DNS
9.9.9.9
2620:fe::fe

DNS.WATCH
84.200.69.80
84.200.70.40

Comodo Secure DNS
8.26.56.26
8.20.247.20