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When the deploy is built but the site isn’t reachable, the issue is almost always DNS or SSL.

Quick checks

1

Is the build green?

Check the deploy log. If it failed, see Build failures.
2

Does the *.vly.app URL work?

Open the project’s default URL. If yes, the issue is custom domain only.
3

Does DNS resolve correctly?

dig app.yourcompany.com should return the CNAME pointing to cname.vly.app. If not, DNS hasn’t propagated; wait or check your DNS provider.
4

Is the SSL cert active?

Check Settings → Domains. Status should be “Active”. If “Pending SSL”, wait or click “Retry SSL”.

Common issues

DNS records wrong or not propagated. Re-check with dig or whatsmydns.net.
Let’s Encrypt rate limit. Wait an hour, click “Retry SSL”.
Cert not yet issued, or browser cached an old one. Try incognito.
DNS providers vary in apex support. See Custom domains → apex.

Custom domains

The full setup guide.

DNS setup

Per-provider guides.

SSL certificates

SSL specifics.
Last modified on April 18, 2026