There are several ways to solve a DNS server problem:
1. Check internet connectivity: Make sure that you are connected to the internet and your internet connection is stable.
1. Restart your router or modem: Try restarting your router or modem to reset your DNS settings.
1. Clear your DNS cache: Clear your DNS cache to remove any outdated or incorrect DNS information stored on your device.
1. Use Google Public DNS: Switch to Google Public DNS, which is a free and reliable DNS service that can help in resolving DNS server issues.
1. Check your firewall settings: Make sure that your firewall settings are not blocking the DNS server.
1. Contact your ISP: If the problem persists, contact your Internet Service Provider (ISP) for assistance in resolving DNS server issues.