coccocbot-web

search-engine coccocbot-web

Vietnamese search engine web crawler

About this crawler

coccocbot-web is a web crawler identified by the regular-expression pattern coccocbot-web in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block coccocbot-web traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.12%
latest snapshot
2026-06-03
matched key: coccocbot-web
2026-05-012026-06-030.23%

Technical details

Name
coccocbot-web
Pattern
coccocbot-web
Tags
search-engine
Reference
https://coccoc.com/search/console/en/coc-coc-robots
Added
2026/05/03
rDNS suffixes
.coccoc.com
Instances
1 known sample(s)

rDNS verification (FCrDNS)

Verify a request is genuinely coccocbot-web 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.

Sample User-Agent strings

Mozilla/5.0 (compatible; coccocbot-web/1.0; +http://help.coccoc.com/searchengine)

Block this crawler

robots.txt — disallow coccocbot-web:

User-agent: coccocbot-web Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} coccocbot-web [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "coccocbot-web") { return 403; }
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