adstxt.com
Ads.txt verification bot
About this crawler
adstxt.com is a web crawler identified by the regular-expression pattern adstxt.com in the User-Agent request header. It is categorised as advertising. Use the regex above to detect, log, allow, or block adstxt.com 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
- adstxt.com
- Pattern
adstxt.com- Tags
- advertising
- Reference
- http://adstxt.com
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
adstxt.com/1.2
Block this crawler
robots.txt — disallow adstxt.com:
User-agent: adstxt.com
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} adstxt.com [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "adstxt.com") {
return 403;
}
← back to all crawlers