Filled out it might look like this…
IPFire version
Add the version line from the bottom of the IPFire WebGUI. Just cut and paste the version line directly below
IPFire 2.25 (x86_64) - Core Update 148
Fireinfo
Add your IPFire Fireinfo image or URL here
https://fireinfo.ipfire.org/profile/1234567890abcdef1234567890abcdef12345678
-or-
the Fireinfo image.

Expected behavior
A clear and concise description of what you expected to happen
Expect network to continue working. Right now all is stopped.
Actual behavior / issue / bug
clear and concise description of the issue
Last night I experienced a SERVFAIL storm. Between 1:30 AM and 7:18 AM the message log filled with 32000+ SERVFAIL messages.
At 7:17 AM the IPFire box stopped working.
Steps to reproduce
Clearly document the steps to reproduce the behavior:
Could not reproduce. After an IPFire reboot everything worked as expected.
Debug logs
Include debug logs with three leading backticks and three trailing backticks.
From messages log:
May 27 01:30:06 ipfire unbound: [1514:0] error: SERVFAIL <api.darksky.net. A IN>: all the configured stub or forward servers failed, at zone .
May 27 01:30:06 ipfire unbound: [1514:0] error: SERVFAIL <api.weather.gov. A IN>: all the configured stub or forward servers failed, at zone .
. . .
May 27 07:17:28 ipfire unbound: [1514:0] error: SERVFAIL <HIDDEN_URL. A IN>: all the configured stub or forward servers failed, at zone .
May 27 07:17:28 ipfire unbound: [1514:0] error: SERVFAIL <HIDDEN_URL. A IN>: all the configured stub or forward servers failed, at zone .
May 27 07:17:28 ipfire unbound: [1514:0] error: SERVFAIL <HIDDEN_URL. A IN>: all the configured stub or forward servers failed, at zone .
May 27 07:17:28 ipfire unbound: [1514:0] error: SERVFAIL <HIDDEN_URL. SRV IN>: all the configured stub or forward servers failed, at zone .
May 27 07:17:28 ipfire unbound: [1514:0] error: SERVFAIL <HIDDEN_URL. A IN>: all the configured stub or forward servers failed, at zone .
May 27 07:17:28 ipfire collectd[3088]: rrdtool plugin: Shutting down the queue thread.
May 27 07:17:28 ipfire unbound: [1514:0] error: SERVFAIL <HIDDEN_URL. A IN>: all the configured stub or forward servers failed, at zone .
Screenshots
If applicable, add screenshots to help explain your problem
No images to share.
Additional context
Add any other context about the problem here
Other users expiring similar issues but they are not seeing as many errors.