viptool / Reference Tables / Search Engine Crawler Verification
Reference Tables

Search Engine Crawler Verification

Do not trust User-Agent alone; use reverse and forward DNS or official verification tools.

ValueNameDescription
googlebot.com / google.comGooglebotUse reverse DNS, then forward DNS; Google also publishes crawler IP range JSON.
https://developers.google.com/search/apis/ipranges/googlebot.jsonGooglebot IP rangesOfficial JSON list for common Googlebot ranges.
search.msn.comBingbotUse Bing Webmaster Tools Verify Bingbot or reverse-plus-forward DNS.
bing.com/toolbox/verify-bingbotBingbot verifierOfficial public verification tool referenced by Bing.
baiduspiderBaiduspiderUser-Agent is informative only; verify hostname ownership before trusting access.
sogou web spiderSogou spiderTreat claimed User-Agent as untrusted until network identity is verified.
360Spider360 Search spiderTreat claimed User-Agent as untrusted until network identity is verified.

Source: Google crawler verificationReviewed: 2026-07-11

How to use Search Engine Crawler Verification

  1. Enter or select the data you want to process above.
  2. Select “Search” to run the tool.
  3. Review the result, then copy it or adjust the input and run again.

Search Engine Crawler Verification FAQ

Does this tool store my data?

The primary operation runs in your browser. Viptool does not upload or store the content you enter.

Why can the result differ from another website?

Results depend on the input format, calculation rules, and data update time. For live information, check the provider and timestamp shown with the result.