openthread.thread.home.arpa in network , Monterey

Just updated to Monterey. open thread.thread.home.arpa is showing up in network. Any idea what this is? thank you

Posted on Oct 25, 2021 6:03 PM

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Posted on Jan 3, 2022 3:21 AM

I'm running a Raspberry Pi with PiHole on it. I see a lot of .ARPA requests from Bonjour to lookup the DNS name of devices from conditional forwarding from DHCP of my router. These all are typed as "PTR".


In contrast, THREAD queries are requested as A/AAAA for the IPv4 and IPv6 network and forwarded by the system to the external DNS server. This is unsightly and is probably not answered correctly (namely not at all, how does the external DNS provider know the internal IP address of my Apple TV with THREAD support?).


Therefore I created a static IP address for the AppleTV and a DNS entry in PiHole (<APPLETV>.OPENTHREAD.THREAD.ARPA) with the IPv4+6 address (instead of <APPLETV> insert here the name of your used THREAD border router, for me it's my AppleTV called "homecinema", I have no HomePod Mini).


Maybe there will be an update in future for this either on Apple side or on router/PiHole side to block these entries or answer them correctly ... !?


The requests are now answered correctly and felt HomeKit reacts faster with e.g. sockets from EVE and the Homebridge.

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openthread.thread.home.arpa in network , Monterey

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