TEST.md

How to test the VPN + DNS resolution

VPN

Once the client, Wireguard client configured and started:

curl -sL http://ifconfig.co

Should return the VPS IP

Alternative:
Connect to http://ifconfig.co

DNS

On the VPS, check default name resolution

dig +short addme.com

Should answer an IP address

On the VPS, name resolution explicitely using Unbound

dig +short addme.com @10.2.0.200

Should answer the same IP address

On the VPS, name resolution explicitely using Pi-Hole

dig +short addme.com @10.2.0.100

Should answer 0.0.0.0 (hence filtered)

On the client, VPN started, check name resolution

nslookup addme.com

Alterative:
try to reach http://addme.com or d3ward/toolz.