Only if the account instructions explicitly identify it as the server; a marketing website and a media-account endpoint can have different addresses.
8K IPTV · guides
A practical next step

Check the server address
Use the complete server address supplied for the account, including its required scheme and port.
Use the controls and account conditions that apply to your actual setup.
Read the full details
Check the server address
Use the complete server address supplied for the account, including its required scheme and port.
Compare the full address
Keep a supplied port number
Do not guess a replacement host
Use the controls and account conditions that apply to your actual setup.
OPEN THE 8K IPTV GUIDE
HELP & SETUP
SERVER ADDRESS
Check the server
address
Use the complete server address supplied for the account,
including its required scheme and port.
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Why this happens
A website used to read plans or contact a business does not automatically provide the same service as the address entered into a television player. The player might need a specific hostname, port, path or predefined server option. Replacing that with the public website can send its request to an unrelated page and produce an error even when the website opens normally in a browser. It is the role of the address, rather than a familiar brand name inside it, that matters.
Use the issued account format and preserve the complete server value where one is required. URI syntax distinguishes the address components, while HTTP describes how requests reach a resource; neither makes every page on one domain an interchangeable login endpoint. Do not append guessed folders or ports to the public site until something happens to respond. If the installed app uses named account/server selections instead of an address box, use that route as instructed. Keep the working website and the player’s failed connection as separate observations in a support conversation.
A useful way to work through it
Identify whether the player expects a server URL, named server option or full playlist.
Use the account endpoint issued for that format, including any deliberate port or path.
Keep public website access separate from player account connectivity.