I joined a few older posts together (and redirected those old posts here) to create a single place for my public dns services list and instructions.

Short list of IP addresses if you know what your doing

google: 8.8.8.8 8.8.4.4
opendns: 208.67.222.222, 208.67.220.220
quad9 (IBM): 9.9.9.9
cloudflare: 1.1.1.1, 1.0.0.1

You may want to check my privacy settings post to tighten up your browsers too.

OpenDNS on mac

To add opendns to your mac you need to add the opendns ip addresses: 208.67.220.220 and 208.67.222.222

• open system preferences > network
• select your network card on the left hand side
• click ‘advanced’ in the bottom right
• click the ‘dns’ tab
• click the ‘+’ at the lower left
• add in 208.67.222.222 and add in 208.67.220.220
• click ok

Use OpenDNS on iphone or an ipad

how to use opendns on an iphone or ipad.

• goto settings > wifi
• click the blue circle with the > in it next to your wifi network
• you will see the details for your connection.

its not obvious, but the text is editable :)

In DNS delete whats there and enter

• 208.67.222.222
• or
• 208.67.220.220

you can string them together with a comma to list more than one, eg

208.67.222.222, 208.67.220.220

you are now set to use opendns on your iphone or ipad!

How to use google public dns on iphone and ipad

how to use google public dns service on an iphone or an ipad.

goto settings > wifi
click the blue circle with the > in it next to your wifi network
you will see the details for your connection.

its not obvious, but the text is editable :)
in DNS delete whats there and enter 8.8.8.8 or 8.8.4.4

you can string them together with a comma to list more than one, eg

8.8.8.8, 8.8.4.4

you are now set to use google public dns on your iphone or ipad!

Add googles public dns to your mac

To add googles public dns to your mac you need to add the ip addresses: 8.8.8.8

• open system preferences > network
• select your network card on the left hand side
• click ‘advanced’ in the bottom right
• click the ‘dns’ tab
• click the ‘+’ at the lower left
• add in 8.8.8.8
• click ok

Sources:
1.1.1.1
opendns
Google Public DNS on Wikipedia