Hello,
Your dns server cannot convert your FQDN to ip address.
You can check the communication with your dns server (if you have set). If you are using a default dns server, try to change it to another one. (e.g. 8.8.8.8)
You can use this link as a reference to set your dns server:
https://www.lifewire.com/how-to-change-dns-servers-in-windows-2626242
Note: Since the websites are not hosted by Microsoft, the links may change without notice. Microsoft does not guarantee the accuracy of this information.
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