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* Introduction

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* Custom domains
* Overview

* GoDaddy

* Namecheap

* Cloudflare

* Porkbun

* Dynadot

* Squarespace Domains

* NameSilo

* Hostinger

* Misk

* Hover

* Troubleshooting

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* Introduction

* Getting started

* Building your app

* Files and code

* Database

* AI in your app

* Publishing

* Sharing and collaborators

* Remixing

* Projects and workspaces

* Plans and billing

* Custom domains
* Overview

* GoDaddy

* Namecheap

* Cloudflare

* Porkbun

* Dynadot

* Squarespace Domains

* NameSilo

* Hostinger

* Misk

* Hover

* Troubleshooting

* Sign-in for your app's users

* Analytics

* Logs

* Develop locally (CLI)

* SDK reference

* Bool API (HTTP)

* Connect your AI (MCP)

* Connectors

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On This Page

* Record to create

* Steps

* Finish in Bool

* Apex domains on Cloudflare
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Custom domains Cloudflare
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Connect a domain from Cloudflare

Cloudflare is different from a typical registrar UI because of its edge proxy. For Bool (and Vercel’s TLS), the www record must be DNS only — not Proxied.

Record to create

Field Value
Type CNAME
Name www
Target cname.vercel-dns.com
Proxy status DNS only (gray cloud)

Critical: Leaving Proxy status on Proxied (orange cloud) often causes infinite redirects or SSL mismatches. Switch it to DNS only .

Steps

* Log into the Cloudflare dashboard   and select your domain.

* Open DNS → Records .

* Pre-configuration check: Delete any existing A , AAAA , or CNAME records for www .

* Click Add record .

* Set Type to CNAME .

* In Name , enter www .

* In Target , enter cname.vercel-dns.com .

* Set Proxy status to DNS only (gray cloud icon).

* Click Save .

Finish in Bool

* Add www.yourdomain.com under Domains in your Bool project.

* Click Refresh until status is Active .

* Visit https://www.yourdomain.com .

Apex domains on Cloudflare

If you connect the bare apex ( yourdomain.com ) instead of www , Cloudflare’s CNAME flattening can point @ at cname.vercel-dns.com , or you can use an A record to 76.76.21.21 . Either way, keep Proxy status DNS only while Bool issues the certificate.

← All registrars
Last updated on September 9, 2026
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1. Skip to Content [direct]
2. Docs [direct]
3. Log in [direct]
4. Introduction [direct]
5. Getting started [direct]
6. Building your app [direct]
7. Files and code [direct]
8. Database [direct]
9. AI in your app [direct]
10. Publishing [direct]
11. Sharing and collaborators [direct]
12. Remixing [direct]
13. Projects and workspaces [direct]
14. Plans and billing [direct]
15. Overview [direct]
16. GoDaddy [direct]
17. Namecheap [direct]
18. Porkbun [direct]
19. Dynadot [direct]
20. Squarespace Domains [direct]
21. NameSilo [direct]
22. Hostinger [direct]
23. Misk [direct]
24. Hover [direct]
25. Troubleshooting [direct]
26. Sign-in for your app's users [direct]
27. Analytics [direct]
28. Logs [direct]
29. Develop locally (CLI) [direct]
30. SDK reference [direct]
31. Bool API (HTTP) [direct]
32. Connect your AI (MCP) [direct]
33. Connectors [direct]
34. Question? Give us feedback [direct]
35. Edit this page [direct]
36. Cloudflare dashboard [direct]
37. Pricing [direct]
38. What's new [direct]
39. Privacy [direct]
40. Terms [direct]