Dlc
Link checking crawler auditing broken URLs across websites
About this crawler
Dlc is a web crawler identified by the regular-expression pattern Dlc\/ in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block Dlc traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- Dlc
- Pattern
Dlc\/- Tags
- seo
- Reference
- https://www.drlinkcheck.com/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36 Dlc/2.0.1
Block this crawler
robots.txt — disallow Dlc:
User-agent: Dlc
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Dlc\/ [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Dlc\\/") {
return 403;
}
← back to all crawlers