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# Vercel custom domain only resolves with Google DNS

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Guyshilon30 6004 (@guyshilon30-6004) · 2026-01-20

Hey everyone i just added my custom domain to my project, the configuration is valid, it works in mobile and with google DNS but with my ISP it does not work
things i tried:
flushing dns
clearing browser cache
trying different browser

how do i make it work with my ISP and pretty much every ISP?

EDIT: after switching back to my ISP it seems to work now, i hope it was a caching issue idk


system (@system) · 2026-01-20

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](https://community.vercel.com/t/introducing-the-vercel-leaderboard/1358).

https://vercel.com/docs/projects/domains/troubleshooting

You can also use [v0](https://v0.dev/) to narrow down the possibilities.


Pauline P. Narvas (@pawlean) · 2026-01-20

It sounds like this is fixed for you now, but let us know if that's not the case :slight_smile:


Pauline P. Narvas (@pawlean) · 2026-01-24

Hey there, @guyshilon30-6004! Just checking in to see if your custom domain issue is fully resolved with your ISP. If you still need help, let me know!