Vercel.app domains works fine but added domain works under VPN only

The app i have is deployed on a predefined ***.vercel.app domain and a manually added domain.

When the VPN is on - i can access both the domains and they are identical, so this means the vercel configuration is ok

However when i turn OFF the VPN - i can no longer acces my custom domain (the vercel.app one still works!!)

This means that there is some issue with my domain and how i set it up? What do i check? Whom can i contact for more info? The domain broker? Thanks!

The domain troubleshooting guide can help with most custom domain configuration issues. You might be able to use that guide to solve it before a human is available to help you. Then you can come back here and share the answer for bonus points.

You can also use v0 to narrow down the possibilities.

The first step to diagnose is to check DNS propagation around the world https://dnschecker.org/

Enter your domain and select NS to see which nameservers it’s giving from each DNS server around the world. Ideally

  • they are all present
  • they are all showing Vercel nameservers

If either of those are not true for your region, then requests won’t resolve correctly. Using a VPN to a different region that has the updated DNS records can bypass this, which I suspect might be your case. This can sometimes take up to 48 hours to fully propagate, though is usually faster.

If all of that looks fine, then there should be no regional issues and I’d start debugging devices. Check your phone/computer and on a different wifi/cellular network to see if it’s only one of them that’s problematic. Sometimes VPN software can install its own DNS configuration

1 Like

I mr jacob im having the same problem but on the dnchecker site they are all present but my site is still not working without vpn it’s domain is gpgcq.com

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