DreamHost — CNAME for chat.

1. Panel → Domains → Manage Domains → DNS for your domain.
   Or Websites → Manage → DNS (wording varies).

2. Add a CNAME:

   • Name: chat
   • Points to: cname.vercel-dns.com

3. Save.

DreamHost nameservers

DNS changes apply when the domain uses DreamHost’s nameservers. If you’ve pointed the domain to Cloudflare or another DNS, add chat there instead.