Name resolution has a limited job
The DNS architecture described by the IETF organises names and supports obtaining information associated with them. In a viewing workflow, resolving a hostname is not the same event as an application being accepted by a service. A name can resolve while the later connection or login fails. Keep these stages separate instead of interpreting every network-related error as proof that DNS is the only problem.
Record what the application actually reports
Save the exact error text and note whether ordinary unrelated internet use works. Avoid posting complete account URLs to demonstrate a hostname problem. If a support team asks for the relevant domain, distinguish that public name from a private path or query containing credentials. A precise, minimally shared record is more useful than an unredacted screenshot of every field in a player configuration.
Do not treat a resolver change as entitlement
Changing a DNS setting does not supply a subscription, correct a password or establish permission to watch a programme. Nor does a temporary improvement prove that every future stall had the same cause. If a documented network change is appropriate, record the original state and repeat the same short supported test afterwards. Avoid making several router and player changes at once.
Use the right support boundary
A recurring failure on one service hostname raises different questions from a device that cannot reach any ordinary internet destination. Describe that scope, the device and the exact application. DNS caching and service-side changes can complicate observations, so avoid promising that one universal resolver will repair every setup. The useful goal is to establish which stage fails and provide that evidence to the relevant network or service support team.
Questions, answered
Does a hostname resolving prove that my service account is active?
No. Resolution, connection, authentication and media playback are separate stages. Keep the result of each stage distinct when describing a fault.