Ploetz Zeller
Ploetz Zeller link validator
About this crawler
Ploetz Zeller is a web crawler identified by the regular-expression pattern Ploetz \+ Zeller in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block Ploetz Zeller 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
- Ploetz Zeller
- Pattern
Ploetz \+ Zeller- Tags
- monitoring
- Reference
- http://www.ploetz-zeller.de
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Ploetz + Zeller (http://www.ploetz-zeller.de) Link Validator v1.0 ([email protected]) for ARIS Business Architect
Block this crawler
robots.txt — disallow Ploetz Zeller:
User-agent: Ploetz Zeller
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Ploetz \+ Zeller [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Ploetz \\+ Zeller") {
return 403;
}
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