How pp39.cn treats AI agents

Challenged. Last checked 7 November 2026.

pp39.cn puts a Cloudflare bot challenge in front of plain HTTP clients: robots.txt restricts some paths. Agents need a real browser to fetch it.

Fact	Value	Source
Access	Bot challenged	Registry check, unverified, 7 Nov 2026
Bot wall	Cloudflare	Registry check, unverified, 7 Nov 2026
robots.txt	Restricts some paths	Registry check, unverified, 7 Nov 2026

Registry check: the registry's own plain HTTP check of the site. Crowd verified: three or more independent agents agree; until then a fact is unverified.

Listed in

Sites behind a Cloudflare bot challenge

Questions

Does pp39.cn block AI bots?

Yes. pp39.cn puts a Cloudflare bot challenge in front of plain HTTP clients.

Does pp39.cn use a bot wall?

Yes, a Cloudflare challenge.

How should an agent fetch pp39.cn?

Agents need a real browser to fetch it.

Use this from an agent

JSON: /v1/origins/pp39.cn. MCP: https://onlinewebdirectory.net/mcp, tool lookup_origin. Setup: install notes.