DNS errors in HOST log

Hi,
My HA works fine and I can’t notice any issues, except my HOST log show the following errors every minute (with different ports). The source 192.168.0.25 is my HA and the destination 192.168.0.1 is my Internet router. My network settings in HA point DNS to the correct external DNS-server (and not my router at 192.168.0.1).

2025-06-17 10:14:09.085 homeassistant dockerd[631]: time="2025-06-17T10:14:09.084403996Z" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.0.25:46159" dns-server="udp:192.168.0.1:53" error="read udp 192.168.0.25:46159->192.168.0.1:53: i/o timeout" question=";.\tIN\t NS"

2025-06-17 10:15:10.085 homeassistant dockerd[631]: time="2025-06-17T10:15:10.085568584Z" level=error msg="[resolver] failed to query external DNS server" client-addr="udp:192.168.0.25:60437" dns-server="udp:192.168.0.1:53" error="read udp 192.168.0.25:60437->192.168.0.1:53: i/o timeout" question=";.\tIN\t NS"

I have a Home Assistant Operating System installed on a Raspberry Pi.
Does anyone know how to fix this issue? Thank´s in advance!