Point a CNAME from status.yourdomain.com to lemwatch and add the domain in Settings → Status Pages → Custom Domain to serve it under your brand.
Create a CNAME record from status.yourdomain.com to cname.lemwatch.com, then add the domain under Settings → Status Pages → Custom Domain. Lemwatch provisions an SSL cert via Let's Encrypt within 2–5 minutes.
status → cname.lemwatch.comSettings → Status Pages → Custom Domain.
We recommend a subdomain. Apex requires ALIAS/ANAME support at your DNS provider.