StackRambler
Defunct Rambler.ru search engine crawler from Stack Ltd
About this crawler
StackRambler is a web crawler identified by the regular-expression pattern StackRambler in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block StackRambler traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.20%
Technical details
- Name
- StackRambler
- Pattern
StackRambler- Tags
- search-engine
- Reference
- https://useragentstring.com/pages/useragentstring.php?name=StackRambler
- Added
- 2026/05/02
- rDNS suffixes
.rambler.ru- Instances
- 2 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely StackRambler 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.
.rambler.ru
Sample User-Agent strings
StackRambler/2.0 (MSIE incompatible)
StackRambler/2.0
Block this crawler
robots.txt — disallow StackRambler:
User-agent: StackRambler
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} StackRambler [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "StackRambler") {
return 403;
}
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