Change DNS servers
If there is a problem with the DNS server you are using, changing to a different DNS server may solve the problem.
Windows:
Right click on "Start" > "Network Connections".
Right-click on the currently connected network adapter > "Properties".
Select "Internet Protocol Version 4 (TCP/IPv4)" > "Properties".
Check "Use the following DNS server addresses" > Enter the following for Preferred DNS Server and Alternate DNS Server
Google Public DNS: 8.8.8.8 and 8.8.4.4
Cloudflare DNS:1.1.1.1 and 1.0.0.1
Click "OK" to save and re-access.
macOS:
Apple Menu > System Settings.
Wi-Fi" or "Ethernet" in the sidebar > "Details" next to the currently connected network.
DNS" tab > remove existing DNS servers ("-") > "+" to add the above public DNS.
Click "OK" to save and re-access.