Custom Domains & SSL

You can point your own domain at your app. SSL certificates are issued and renewed automatically at no cost.

Step 1 — Add the domain in your panel

1. Open your app and go to the Domains tab
2. Click Add Domain
3. Enter the domain you want to use, for example app.example.com

Step 2 — Create the DNS record

In the Domains tab you will see your app's default URL. Create a CNAME record at your DNS provider pointing your domain to that address:

Copy the target from the Domains tab. It is specific to your app. Do not type it from memory and do not reuse one from another app or another guide — a wrong target is the most common reason a custom domain never works.

Root domains

A root domain such as example.com cannot normally take a CNAME. Either:

• use a subdomain such as app.example.com (simplest), or
• use a DNS provider that supports CNAME flattening or ALIAS records at the root, or
• contact support and we will advise on the right record for your setup

Step 3 — Wait for verification and SSL

Once DNS resolves to your app:

1. The domain shows as Verified in the Domains tab
2. An SSL certificate is issued automatically
3. HTTP is redirected to HTTPS
4. The certificate renews itself before expiry

DNS changes usually take a few minutes but can take up to 48 hours. SSL is issued after DNS has propagated — allow a further 5–10 minutes.

Multiple domains

You can point several domains at one app, each with its own certificate:

• app.example.com
• www.example.com
• api.example.com

Troubleshooting

If the domain still does not work after 48 hours, open a ticket with the domain name and we will check it.