I suddenly can't connect to hyperspacevault.com from any of the computers in my home network, including one that had never visited the site before. However, the site works normally on my phone while the phone is connected to the same Wi-Fi. I've restarted the modem, router, and computers, reset network settings, and tried several command-line network fixes, but nothing has helped. I'm not very familiar with networking, so I'm trying to understand what could cause this and what I should try next.
3 Answers
Since the phone works over the same Wi-Fi but the computers don’t, compare whether the phone is using a different DNS configuration or network protocol. You could temporarily try a reputable public DNS service on the computers, then flush the DNS cache and restart the browser. If that doesn’t help, the problem may be a routing issue between your internet provider and the site’s hosting service, which usually has to be fixed by the provider or site owner.
The site appears to have had a certificate problem. One possible error is NET::ERR_CERT_COMMON_NAME_INVALID, which means the certificate doesn’t match the website address. Don’t bypass that warning unless you completely trust the site, because it can indicate a misconfigured or unsafe connection. The certificate may have been renewed recently, so some servers could still be using outdated settings.
The exact browser error matters here. Try opening the site in another browser and note whether you get a certificate warning, a timeout, or a DNS-related error. Clearing the browser cache may help, but if multiple computers show the same problem, the issue is more likely with the network, DNS, or the website itself than with one computer.
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