How to ensure Wireguard DNS always works? (2024)

FAQs

How do I make sure my DNS is working properly? ›

Run ipconfig /all at a command prompt, and verify the IP address, subnet mask, and default gateway. Check whether the DNS server is authoritative for the name that is being looked up. If so, see Checking for problems with authoritative data.

It does as long as its needed, but only if the DNS on your router is set to the ISP one. Mostly wireguard will work with IPs instead of DNS - depends on the config.

Choose a DNS server that works. Ensure there isn't a firewall blocking traffic between the VPN client and the DNS server. Check for missing routes (if you're using routing instead of NAT for Access Server) and implement static routes for direct VPN client communication or switch to NAT.

1.1.1.1 is a public DNS resolver operated by Cloudflare that offers a fast and private way to browse the Internet. Unlike most DNS resolvers, 1.1.1.1 does not sell user data to advertisers. In addition, 1.1.1.1 has been measured to be the fastest DNS resolver available.

If you don't get a specific DNS error or message, how do you know if it's a DNS issue causing your problems? Here are two things you can try to find out: Type the numerical IP address directly into your browser. If the webpage loads, then your problem is DNS related.

Override DNS Globally

With systemd-resolved, however, instead of using that DNS setting, add the following PostUp command to the [Interface] section of your WireGuard config file: PostUp = resolvectl dns %i 9.9. 9.9#dns.quad9.net 149.112. 112.112#dns.quad9.net; resolvectl domain %i ~.

To check if WireGuard Server is working properly

The simpliest way is to use a cell phone with WireGuard official client app installed, turn off its Wi-Fi connection, and only connect to Internet via 3G/4G/5G.

It is extensible that new cryptographic primitives can be added. WireGuard does not have that. That means WireGuard will break at some point, because one of the cryptographic primitives will weaken or entirely break at some point.

We recommend obtaining a static IP address from your ISP, or configuring a Dynamic DNS to avoid these interruptions."

WireGuard is considered by many to be one of the safest, most secure VPN protocol options available today. Simplified design using less code equals fewer bugs and security vulnerabilities, while WireGuard's faster state-of-the-art cryptography employs superior default security settings.

Should I change DNS with VPN? ›

Switching DNS can help troubleshoot odd browsing problems, too. If your VPN's DNS server is faulty, for example, you might find you can't access a particular website when you're connected, although it works just fine when you shut the VPN down. Changing your VPN DNS could resolve the issue and get you into the site.

As the devices connected in the network are used over the internet VPN provides with secure connection for such devices. DNS is not secure as it does provide any encryption features and the IP address is easily visible. VPN is more secure than DNS as it uses an encryption approach.

All traffic will go through the VPN, including DNS queries. If you use DoH, your VPN provider still can see what IP you're visiting, and in most cases, unless the site supports ECH, will still see what domain you're visiting through SNI.

You can run command nslookup -d2 domain name (for example: nslookup www.google.com) to check the process of resolution in detail including DNS client queries which DNS server.