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GoDaddy

Assuming you own example.com, registered with GoDaddy:

Subdomains

Link a subdomain, for example api.example.com to a Cyclic app:

Cyclic

  1. On the app dashboard, navigate to Advanced > Branding > Custom Domain
  2. Enter api.example.com in the Domain Name field
  3. Press Start
  4. You should see a message saying that records will be available in a few seconds. Hit Refresh if you do not see them.
  5. Cyclic will produce:

GoDaddy

  1. Navigate to DNS Management for the domain
  2. Click Add to add a record
  3. Enter the validation record
    1. Select CNAME in the Type field
    2. The Name field should not include the domain portion
      1. For the Cyclic dashboard record name of _xxxxxxxxxxx.api.example.com, in GoDaddy, only enter _xxxxxxxxxxx.api
  4. Enter the routing record
    1. Select CNAME in the Type field
    2. The Name field should not include the domain portion
      1. For the Cyclic dashboard record name of api.example.com, in GoDaddy, only enter api

At this point, the SSL certificate is still pending, navigating to your subdomain https://api.example.com, will produce a browser error NET::ERR_CERT_COMMON_NAME_INVALID.

Return to Cyclic dashboard. It will take a few minutes (up to 15 but usually less) for a certificate to be issued once the validation record has been entered.

After refreshing, you should see a message that says:

 https://api.example.com has been validated and is active 

Apex domains

Link the apex domain example.com to a Cyclic app.

Apex Domains cannot be linked via CNAME

The most common approach is to link the www subdomain and use forwarding in GoDaddy to set up redirect from example.com to www.example.com

Cyclic

Follow the above subdomain procedure to link www.example.com to your Cyclic app.

After you have set up the records and SSL certificate was issued:

  • Verify that you can access your app via https://wwww.example.com.

GoDaddy

  1. Navigate to DNS Management for the domain, scroll down to the Forwarding section
  2. Click Add Forwarding in the Domain slot
  3. Select https:// from the dropdown and enter your subdomain, www.example.com

After a few minutes, try navigating to https://example.com and you should be redirected to your Cyclic app at https://www.example.com