To use your custom domain you need to upgrade to a paid plan. To upgrade, go to click Upgrade on your status page menu.
On your domain registrar add a CNAME record from your domain.
POINTS TO (VALUE)
Choose the default or minimum allowed value
You can do this on most registrars by doing the following steps:
Go to your domain settings page.
Add a record.
Choose CNAME record type.
Choose the HOST. Typically
status, but you can choose any host, and it'll be your subdomain.
Points to will be:
Leave the TTL like default
Go to you customize page
Add your custom domain, like
https://status.nasa.gov, but replace
nasa.gov with your own domain.
Congratulations! You can now start to use your custom domain. The first visit may take a bit to load, then it'll work perfectly!