01 · Operator
Who operates CheckMarkNetwork
- Company
- CheckMark Network
- Type
- Other bot
- Official docs
- checkmarknetwork.com
02 · Behavior
What CheckMarkNetwork does
It discovers new pages for CheckMark's knowledge base. Sources include domain names, ecommerce platforms and social media. The company says it reads robots.txt and paces requests moderately.
03 · Impact
Why CheckMarkNetwork matters for your site
If you allow it
- Respects robots.txt
- Supports brand-protection monitoring
If you block it
- Commercial data collection
- No direct traffic benefit
04 · Allow
How to allow CheckMarkNetwork
robots.txt
User-agent: CheckMarkNetwork
Allow: /Cloudflare
# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "CheckMarkNetwork")
Action: Skip › All Super Bot Fight Mode rules
# Also check Security › Bots: "Block AI bots" can block it regardless of robots.txt.WordPress
# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: CheckMarkNetwork
Allow: /nginx
# nginx serves every user agent by default.
# Make sure no rule like this blocks it:
# if ($http_user_agent ~* "CheckMarkNetwork") { return 403; }Apache
# Apache serves every user agent by default.
# Make sure .htaccess has no rule like this:
# RewriteCond %{HTTP_USER_AGENT} CheckMarkNetwork [NC]
# RewriteRule .* - [F,L]05 · Block
How to block CheckMarkNetwork
CheckMarkNetwork follows robots.txt, so one rule is enough. Use a server or CDN rule only to stop spoofed copies.
robots.txt
User-agent: CheckMarkNetwork
Disallow: /Cloudflare
# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "CheckMarkNetwork")
Action: BlockWordPress
# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: CheckMarkNetwork
Disallow: /nginx
# In your server { } block:
if ($http_user_agent ~* "CheckMarkNetwork") {
return 403;
}Apache
# .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} CheckMarkNetwork [NC]
RewriteRule .* - [F,L]
</IfModule>06 · User agents
User agents we see for CheckMarkNetwork
The user agent published by the operator:
CheckMarkNetwork/1.0 (+https://www.checkmarknetwork.com/spider.html)07 · Verification
Is it really CheckMarkNetwork?
CheckMarkNetwork’s operator publishes no IP ranges or hostnames, so requests cannot be verified. Treat the user agent as a claim, and watch your logs for unusual request rates.
FAQ
Questions about CheckMarkNetwork
What is CheckMarkNetwork?
It is the crawler of CheckMark Network, a brand protection company. It scans the web for possible trademark misuse.
Does CheckMarkNetwork respect robots.txt?
Yes. CheckMark says the crawler always reads robots.txt and never crawls restricted pages.
How do I block CheckMarkNetwork?
Add 'User-agent: CheckMarkNetwork/1.0' with 'Disallow: /' to robots.txt, as the operator documents.
Last reviewed Oct 7, 2026