DNS-Digger

scanner DNS-Digger

DNS Digger domain exploration tool

About this crawler

DNS-Digger is a web crawler identified by the regular-expression pattern DNS-Digger in the User-Agent request header. It is categorised as scanner. Use the regex above to detect, log, allow, or block DNS-Digger 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
DNS-Digger
Pattern
DNS-Digger
Tags
scanner
Reference
http://www.dnsdigger.com
Added
2026/05/09
Instances
2 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (compatible; DNS-Digger-Explorer/1.0; +http://www.dnsdigger.com)
Mozilla/5.0 (compatible; DNS-Digger/1.0; +http://www.dnsdigger.com)

Block this crawler

robots.txt — disallow DNS-Digger:

User-agent: DNS-Digger Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "DNS-Digger") { return 403; }
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