How to use the pi-hole DNS server from the outside

How to use the pi-hole DNS server from the outside of my LAN with port 53. thanks

A VPN is your best choice:

https://pi-hole.net/2016/09/15/tips-for-accessing-your-pi-hole-remotely/

thank you for your quick reply.
I know I know but I would like not to use a VPN server, I have a 120kb / s type rotten connection in sending ...
I would just like to offer my entourage the service of pi-hole.

No, please read about open resolvers. This is always a bad idea.

You can use VPN without routing the traffic through the tunnel (only the DNS requests). Have a look at our comprehensive wiki article:

and especially

1 Like

Cool I had not thought.
Only DNS queries.

Thank you for your help

This was answered in for blocking,routing and VPN - openVPN not routing through pi-hole [SOLVED]

However I also added my custom take on it, for further info please see: https://slicedpi.net/