Login to your status page at instatus.com/login. Then, select your status page.
Custom domains is a Pro feature. If you're not on a Pro plan, click Upgrade on your status page navigation.
|HOST (NAME)||POINTS TO (VALUE)||TTL|
|Leave the default|
You can do this on most registrars by doing the following steps:
status, but you can choose any host, and it'll be your subdomain.
If your domain is using Cloudflare's Nameservers and you plan to use it as a custom domain on your status page, you may need some minor steps to ensure the domain will work correctly. Here are specific instructions for Cloudflare
Congratulations! You can now start to use your custom domain. The first visit may take a bit to load, then it'll work perfectly!