Google-Trust-Services
Google PKI service validating SSL certificates and checking revocation status
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 scanner. 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
No block-rate data for this crawler.
Technical details
- Name
- Google-Trust-Services
- Pattern
Google-Trust-Services\/- Tags
- scanner
- Reference
- https://pki.goog/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; Google-Trust-Services/2.0; http://pki.goog/)
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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