Online Domain Tools
SEO analysis crawler identifying technical issues and metrics
About this crawler
Online Domain Tools is a web crawler identified by the regular-expression pattern Online Domain Tools in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block Online Domain Tools traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.20%
Technical details
- Name
- Online Domain Tools
- Pattern
Online Domain Tools- Tags
- seo
- Reference
- https://datadome.co/bots/online-domain-tools/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; Online Domain Tools - Server Monitor/1.0; +http://server-monitoring.online-domain-tools.com)
Block this crawler
robots.txt — disallow Online Domain Tools:
User-agent: Online Domain Tools
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Online Domain Tools [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Online Domain Tools") {
return 403;
}
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