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Custom Domains

You can connect your own domain (e.g., yourbrand.com) or subdomain (e.g., pages.yourbrand.com) to any Atomicat site so your published pages appear under your own URL.

How It Works​

Atomicat uses DNS records to map your domain to our servers. You add a record in your domain registrar (GoDaddy, Namecheap, Cloudflare, etc.) and Atomicat handles the SSL certificate automatically.

Connecting a Domain​

Step 1 — Open Site Settings​

  1. Go to Sites in the left navigation.
  2. Click the site you want to connect a domain to.
  3. Click Domain or Manage Domain.

Step 2 — Enter Your Domain​

  1. Type your domain (e.g., yourbrand.com or pages.yourbrand.com).
  2. Click Add Domain.

Atomicat will show you the DNS records you need to configure.

Step 3 — Configure DNS Records​

Log in to your domain registrar and add the following records:

For a root domain (yourbrand.com):

TypeNameValue
A@[Atomicat IP shown in dashboard]

For a subdomain (pages.yourbrand.com):

TypeNameValue
CNAMEpages[Atomicat CNAME shown in dashboard]
DNS propagation time

DNS changes can take 5 minutes to 48 hours to propagate globally. Most providers update within 30 minutes.

Step 4 — Verify the Domain​

Once you've added the DNS records:

  1. Return to Atomicat and click Verify Domain.
  2. If the DNS is already propagated, your domain is verified immediately.
  3. If not, wait 15–30 minutes and try again.

SSL Certificate​

Atomicat automatically provisions and renews an SSL certificate (HTTPS) for your domain at no cost. This happens within a few minutes after successful domain verification.

Publishing Pages to Your Domain​

After your domain is verified:

  1. Open any page in the Builder.
  2. Click Publish.
  3. Select your custom domain from the dropdown.
  4. Set the slug (URL path), e.g., /offer → yourbrand.com/offer.
  5. Click Publish Page.

Using One Domain Across Multiple Pages​

One domain can host multiple pages via different slugs:

yourbrand.com/          → Home page
yourbrand.com/offer     → Sales page
yourbrand.com/thank-you → Thank you page
yourbrand.com/quiz      → Quiz page

Troubleshooting​

ProblemSolution
Domain not verifyingCheck your DNS records are exactly as shown. Remove any conflicting records.
SSL not activatingWait 10 minutes after domain verification, then refresh.
Page not loadingEnsure the page is published and the slug is correct.
www not workingAdd a CNAME record for www pointing to the same target.