apply google SafeSearch in my router

Hello

This is my first post in this forum ..
I want to apply “google safesearch” in all devices in my network
but i don’t know how do that .

So I want some help of you ;
Thanks

I need help with this as well…

https://support.google.com/websearch/answer/186669

Here is what is needed, although I can’t figure out how to accomplish this using google.com as the FQDN and pointing it to forcesafesearch.google.com.

To force SafeSearch for your network, you’ll need to update your DNS configuration. Set the DNS entry for > www.google.com > (and any other Google ccTLD country subdomains your users may use) to be a CNAME for forcesafesearch.google.com.