Only if you set your router to use it as well.
By default, the clients will use it, while the router itself uses the DNSes provided by the ISP.
If not, you can always ssh to it, edit /etc/resolv.conf
, and replace 127.0.0.1 with
8.8.8.8, post upgrade.
You can use the image builder to include any extra packages you need.
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