Google Trust Services
Google SSL certificate validation
About this crawler
Google Trust Services is a web crawler identified by the regular-expression pattern Google Trust Services in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block Google Trust Services traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
1.2%
Technical details
- Name
- Google Trust Services
- Pattern
Google Trust Services- Tags
- monitoring
- Reference
- https://knownagents.com/agents/google-trust-services-dcv-check
- Added
- 2026/04/26
- Instances
- 1 known sample(s)
Sample User-Agent strings
Google Trust Services (DCV Check)
Block this crawler
robots.txt — disallow Google Trust Services:
User-agent: Google Trust Services
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Google Trust Services [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Google Trust Services") {
return 403;
}
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