I’d love to know where this is coming from as well. I’ve searched Github, but I can’t find any of the HassOS or other home assistant repositories referencing this IP addresses (I also tried hex/dec).
EDIT:
It just started up again, every 1-2 seconds all day long. Everything’s working using my local DNS server, so I’m not sure what process is causing this:
Jun 4 21:08:03.534: tcp 172.31.16.X(59796) -> 1.1.1.1(853)
Jun 4 21:08:06.610: tcp 172.31.16.X(56724) -> 1.0.0.1(853)
Jun 4 21:08:08.376: tcp 172.31.16.X(59802) -> 1.1.1.1(853)
Jun 4 21:08:09.424: tcp 172.31.16.X(59806) -> 1.1.1.1(853)
Jun 4 21:08:10.452: tcp 172.31.16.X(56732) -> 1.0.0.1(853)
Jun 4 21:08:11.473: tcp 172.31.16.X(59810) -> 1.1.1.1(853)
Jun 4 21:08:14.290: tcp 172.31.16.X(59814) -> 1.1.1.1(853)
Jun 4 21:08:17.373: tcp 172.31.16.X(59820) -> 1.1.1.1(853)
Jun 4 21:08:18.386: tcp 172.31.16.X(56752) -> 1.0.0.1(853)
Jun 4 21:08:20.194: tcp 172.31.16.X(59830) -> 1.1.1.1(853)
Jun 4 21:08:21.214: tcp 172.31.16.X(59834) -> 1.1.1.1(853)
Jun 4 21:08:22.224: tcp 172.31.16.X(56760) -> 1.0.0.1(853)
Jun 4 21:08:25.587: tcp 172.31.16.X(56764) -> 1.0.0.1(853)
Jun 4 21:08:27.153: tcp 172.31.16.X(59846) -> 1.1.1.1(853)