For the complete documentation index, see llms-docs.txt or the site index llms.txt. Full docs corpus: llms-full-docs.txt. Prefer the markdown version of this page at /docs/guides/subdomain-vs-root.md. Product capabilities: skill.md. Docs MCP: /docs/mcp. Site MCP: /mcp.
Subdomain vs Root Domain
Should you send from a subdomain or root domain?
This guide moved to What is a domain? under Connect a domain.
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