No Internet Access Upon Using PiHole IP as DNS

[yubiuser]

@ahlooii

Is this error a big of a deal? or i can just leave it.

Not a big deal, esp. you don't use the block page (you have the default mode Null)

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@ahlooii

dns-server: 192.168.0.155
dns-server: 202.188.18.188
dns-server: 1.9.1.9

Why should Pi-hole be my only DNS server?

Reduced Ad Blocking Capability The main reason you should Pi-hole as your only DNS server is that you will see increased performance in the blocking of ads. If you have two DNS servers (Pi-hole and something else), your network clients may not always query Pi-hole for name resolution. If a query happens to be answered from a non-Pi-hole DNS server, your block lists will not apply (since that DNS server doesn't know about them). All Queries Need To Go Through Pi-hole First Since other DNS serv…

If your router doesn't allow you to specify only Pi-hole as DNS server via DHCP, you can disable your router's DHCP and use Pi-hole for that instead.