Please provide some additional detail. From your debug log, Pi-hole has not received any requests from network clients, and your DHCP server is providing alternate DNS servers in addition the IP of Pi-hole for client use as the DNS server. This allows network clients to bypass Pi-hole and use the other DNS.
What are you seeing that indicates Pi-hole was working and then no longer works?
[2022-02-14 14:29:57.149 17233M] Imported 0 queries from the long-term database
[2022-02-14 14:29:57.151 17233M] -> Total DNS queries: 0
[2022-02-14 14:29:57.151 17233M] -> Cached DNS queries: 0
[2022-02-14 14:29:57.151 17233M] -> Forwarded DNS queries: 0
[2022-02-14 14:29:57.152 17233M] -> Blocked DNS queries: 0
[2022-02-14 14:29:57.152 17233M] -> Unknown DNS queries: 0
[2022-02-14 14:29:57.153 17233M] -> Unique domains: 0
[2022-02-14 14:29:57.153 17233M] -> Unique clients: 0
[2022-02-14 14:29:57.153 17233M] -> Known forward destinations: 0
*** [ DIAGNOSING ]: Discovering active DHCP servers (takes 10 seconds)
Scanning all your interfaces for DHCP servers
Timeout: 10 seconds
* Received 548 bytes from eth0:192.168.0.1
Offered IP address: 192.168.0.3
Server IP address: 192.168.0.1
Relay-agent IP address: N/A
BOOTP server: (empty)
BOOTP file: (empty)
DHCP options:
Message type: DHCPOFFER (2)
server-identifier: 192.168.0.1
lease-time: 3600 ( 1h )
netmask: 255.255.255.0
router: 192.168.0.1
dns-server: 192.186.0.3
dns-server: 68.105.28.11
dns-server: 68.105.29.11
--- end of options ---
DHCP packets received on interface lo: 0
DHCP packets received on interface eth0: 1
The dashboard doesn't increment. For days at a time.
When I first start Pi-Hole, I see several blocked entries and then it tapers off to nothing.
I have the FIRST DNS server in the modem set to the Reserved DNS (192.168.0.3) of my Pi-Hole installation.
This does not guarantee that DNS traffic will go to Pi-hole. Pi-hole should be the only DNS server provided to clients.
Please post screen captures of the following things from your Pi-hole web admin GUI. In this forum, you can directly paste images into your reply.
The current query graph from the dashboard. Should look something like this:
The long term database query graph (under long term data) for the past week. Should look something like this:
And then from the Pi terminal, the output of the following commands:
This will be the total number of queries in your long term database since you installed Pi-hole:
sqlite3 /etc/pihole/pihole-FTL.db "SELECT value FROM counters WHERE id = 0"
This will be the number of unique domains queried in your long term database
sqlite3 /etc/pihole/pihole-FTL.db "select domain from queries group by domain order by domain" | wc -l
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