Katalon
Test automation platform using real browser engines
About this crawler
Katalon is a web crawler identified by the regular-expression pattern Katalon in the User-Agent request header. It is categorised as browser-automation. Use the regex above to detect, log, allow, or block Katalon traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
No block-rate data for this crawler.
Technical details
- Name
- Katalon
- Pattern
Katalon- Tags
- browser-automation
- Reference
- https://www.katalon.com/
- Added
- 2026/05/02
- rDNS suffixes
.katalon.com- Instances
- 0 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely Katalon with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.
.katalon.com
Sample User-Agent strings
no public sample user-agents recorded.
Block this crawler
robots.txt — disallow Katalon:
User-agent: Katalon
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Katalon [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Katalon") {
return 403;
}
← back to all crawlers