DomainDB
DomainDB domain crawler
About this crawler
DomainDB is a web crawler identified by the regular-expression pattern DomainDB in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block DomainDB 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
- DomainDB
- Pattern
DomainDB- Tags
- seo
- Reference
- http://domaindb.com/crawler/
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0; DomainDB-1.1; http://domaindb.com/crawler/)
Block this crawler
robots.txt — disallow DomainDB:
User-agent: DomainDB
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} DomainDB [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "DomainDB") {
return 403;
}
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