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Large numbers of DNS queries from 4K TV while on standby

Observer

Hello there,

 

We own a 49 inch, curved 4K TV (UE49KU6500UXXU). Recently, I set up a DNS proxy to monitor all DNS queries on our network and discovered that the TV was querying 'cdn.samsungcloudsolution.com' every 10 seconds or so.

 

This happened while the TV was in standby, not being used; all other devices are working flawlessly with the proxy and I've used Wireshark on the proxy machine to confirm that the DNS responses are valid.

 

We're looking at over 3200 queries to the same CDN subdomain over a 5 hour period.

 

Any idea why this is, and how we could significantly reduce this (as I would expect DNS queries to be cached for a while at least)?

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