What is the problem with my internet connection

i'm in awkward situation where at exactly 12am for 7 hours i can't access to internet though i still connect to my wifi. when i troubleshoot it , it says:
''Your computer appears to be correctly configured, but the device or resources (www.microsoft.com) is not responding.
tell me ,anyone, how should i fix the problem. i don't even know what the problem is...

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