Is Email Hosted by Namecheap PrivateEmail

Use this endpoint when you specifically need to determine whether a single domain's email is hosted by Namecheap PrivateEmail. Ideal for sales intelligence workflows targeting Namecheap PrivateEmail customers, pre-migration audits, or deliverability research. Choose the bulk sibling endpoint if you need to check multiple domains at once. Prefer this over generic MX lookup tools when you want a clean yes/no answer with matched pattern details specifically for Namecheap PrivateEmail, rather than raw MX data.

• Domain does not exist or has no MX records — returns no match with empty MX list
• DNS lookup failure via Cloudflare DoH — may return an error or inconclusive result
• Domain uses Namecheap PrivateEmail but via a custom/white-label MX hostname — may not match known patterns and return false negative
• Invalid or malformed domain input — likely returns an error response
• Network timeout on DNS resolution — may result in a failed or delayed response