Start free
Free tool

Is this AI bot real?

Paste a user-agent and IP address from your server log. We check it against the IP list the company publishes for its own bots, and reverse DNS where they use it. Free, no account, nothing stored.

Visit details

Try an example

How a visit is checked

  1. 1
    NameIs the user-agent a known AI bot — GPTBot, ClaudeBot, PerplexityBot…?
  2. 2
    Published IP listIs the address inside the company’s own list? 15 lists, refreshed daily.
  3. 3
    Reverse DNSFor Google, Bing, Apple, Amazon: does the address resolve to their domain — and back?

Why fake AI bots exist

Anyone can write “GPTBot” or “ClaudeBot” in a user-agent. Scrapers and vulnerability scanners do it all the time, because many websites let AI crawlers through. The name proves nothing; the address does.

How to verify an AI crawler yourself

  1. Find the bot’s company in the AI bot directory and open its page.
  2. If the company publishes an IP list (OpenAI, Anthropic, Perplexity, Google, Microsoft, Apple, DuckDuckGo, Mistral, Common Crawl), the visit’s address must be inside it.
  3. If it uses reverse DNS (Google, Bing, Apple, Amazon), the address must resolve to the company’s domain, and that name must resolve back to the same address.
  4. If the company publishes neither, only the name is known. Treat it with care.