Your issues are most likely not tied to YazFi if main LAN/WiFi clients are also affected. As a troubleshooting step you can disable the YazFi Guest network and see if the DNS issues persist.
Another troubleshooting step is to experiment using other public DNS servers:
https://www.lifewire.com/free-and-public-dns-servers-2626062
Are you running any other scripts on Asus-Merlin?
What does a trace route to the DNS servers you are using show?
Does the issues persist if you turn off/power off all other network devices except one local network computer connected by Ethernet directly to the Asus-Merlin router?
Have you looked into if your broadband provider is having network issues that may contribute to your DNS issue(s)?
Your issues are most likely not tied to YazFi if main LAN/WiFi clients are also affected. As a troubleshooting step you can disable the YazFi Guest network and see if the DNS issues persist.
Yea thats what I thought too, which is why I first asked in the thread for the current version of john's fork which Im using. John suggested that while he isn't familiar with how YazFi works, perhaps a loop of continually trying to redirect DNS requests is happening if YazFi uses a DNSfilter, which is why I thought to ask here as well.
Another troubleshooting step is to experiment using other public DNS servers
have tried switching from 8.8.8.8 to 1.1.1.1 will give it a few days and report back on the results
Are you running any other scripts on Asus-Merlin?
nop. at least not as far as i know! I did a full factory reset to install john's fork and only recently installed YazFi. Did not configure any other script.
What does a trace route to the DNS servers you are using show?
Here's what i got
C:\Users\xxxxx>tracert 8.8.8.8
Tracing route to 8.8.8.8 over a maximum of 30 hops
1 <1 ms <1 ms <1 ms RT-AC66U [192.168.0.100]
2 3 ms 3 ms 3 ms 175.142.207.254
3 5 ms 7 ms 6 ms 10.55.106.17
4 6 ms 4 ms 7 ms 10.55.100.197
5 7 ms 4 ms 7 ms 10.55.48.200
6 7 ms 7 ms 8 ms 72.14.204.208
7 17 ms 19 ms 19 ms 216.239.47.169
8 7 ms 8 ms 9 ms 72.14.239.243
9 7 ms 7 ms 7 ms 8.8.8.8
Trace complete.
Does the issues persist if you turn off/power off all other network devices except one local network computer connected by Ethernet directly to the Asus-Merlin router?
This will be a tough one to test out. the family uses the internet 24/7, with one of my more nocturnal sibling typically up even up at 3 or 4am. Will need to try and find a brief moment when i can do this test.
What i can say is that the issue is definitely happening on both LAN and wireless devices, as well as devices connected to the guest network. I have a headless raspberry pi connected to the guest network (isolated), and last night i had trouble running
sudo apt distro-upgrade or
sudo apt install xxx because it would keep running into "temporarily failed to resolve" errors and would need to rerun the commands with --fix-missing once or twice
Have you looked into if your broadband provider is having network issues that may contribute to your DNS issue(s)?
I haven't a clue as to how i'd investigate this. My problems only appeared after updating the firmware to 51e3 and installing yazfi (unclear exactly when as I waited a few days after firmware update to install yazfi, but only noticed it after installing yazfi)
What I can say is that when I turn on nordVPN on my computer and force all traffic including DNS queries through the tunnel than there's absolutely no problem. DNS resolves lightning fast.
I do have my old ISP provided router somewhere. Let me try replacing my AC66U with that and see if the problem persists
