How to Troubleshoot a Domain That Won't Resolve

https://astro-wiki.win/index.php/How_to_Troubleshoot_a_Domain_That_Won%27t_Resolve

First, clear your local DNS cache by flushing the resolver, then check if the domain's DNS records are correctly configured via a public lookup tool. If it still won't resolve, compare results from different networks or use a mobile hotspot to rule out ISP issues. Also verify the domain isn't expired and that your router's DNS settings aren't overriding correct entries.