Who.is Bot
Who.is domain information bot
About this crawler
Who.is Bot is a web crawler identified by the regular-expression pattern Who.is Bot in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block Who.is Bot traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.26%
Technical details
- Name
- Who.is Bot
- Pattern
Who.is Bot- Tags
- monitoring
- Reference
- https://who.is/
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Who.is Bot
Block this crawler
robots.txt — disallow Who.is Bot:
User-agent: Who.is Bot
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Who.is Bot [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Who.is Bot") {
return 403;
}
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