01 · Operator
Who operates SeznamBot
- Company
- Seznam.cz, a.s.
- Official docs
- o-seznam.cz
02 · Behavior
What SeznamBot does
The bot fetches web pages for Seznam search. A variant called FreshBot quickly crawls fresh pages and RSS feeds, mainly on news sites. Its IPs have PTR records under seznam.cz.
03 · Impact
Why SeznamBot matters for your site
If you allow it
- Brings visibility in Czech search
- Verifiable through reverse DNS
If you block it
- Little benefit outside the Czech market
04 · Allow
How to allow SeznamBot
robots.txt
User-agent: SeznamBot
Allow: /Cloudflare
# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "SeznamBot")
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: SeznamBot
Allow: /nginx
# nginx serves every user agent by default.
# Make sure no rule like this blocks it:
# if ($http_user_agent ~* "SeznamBot") { return 403; }Apache
# Apache serves every user agent by default.
# Make sure .htaccess has no rule like this:
# RewriteCond %{HTTP_USER_AGENT} SeznamBot [NC]
# RewriteRule .* - [F,L]05 · Block
How to block SeznamBot
Start with robots.txt. If SeznamBot keeps showing up in your logs, block it at your CDN or web server.
robots.txt
User-agent: SeznamBot
Disallow: /Cloudflare
# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "SeznamBot")
Action: BlockWordPress
# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: SeznamBot
Disallow: /nginx
# In your server { } block:
if ($http_user_agent ~* "SeznamBot") {
return 403;
}Apache
# .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} SeznamBot [NC]
RewriteRule .* - [F,L]
</IfModule>06 · User agents
User agents we see for SeznamBot
| User agent | Share | Last seen | Status |
|---|---|---|---|
Mozilla/5.0 (compatible; SeznamBot/4.0; +https://o-seznam.cz/napoveda/vyhledavani/en/seznambot-crawler/) |
94% | Verified | |
Mozilla/5.0 (compatible; SeznamBot/4.0; +https://o-seznam.cz/napoveda/vyhledavani/en/seznambot-crawler/) |
6.5% | Spoofed |
07 · Verification
Is it really SeznamBot?
Anyone can copy a user agent. A reverse DNS lookup of a real request resolves to seznam.cz, and that hostname resolves back to the same IP.
IP addresses we saw from verified SeznamBot requests
| IP range | Share | Last seen |
|---|---|---|
77.75.77.32 |
8.8% | |
77.75.76.162 |
7.7% | |
77.75.78.168 |
7.0% | |
77.75.76.169 |
5.5% | |
77.75.78.163 |
4.8% | |
77.75.78.169 |
4.8% | |
77.75.76.163 |
4.8% | |
77.75.78.172 |
4.8% | |
77.75.76.167 |
4.4% | |
77.75.76.165 |
4.0% |
Top 10 of 32 ranges. Always check against the operator’s current list; ranges change.
FAQ
Questions about SeznamBot
What is SeznamBot?
It is the crawler of Seznam.cz, a Czech search engine. It retrieves content for Seznam's search index.
How can I verify SeznamBot?
Do a reverse DNS lookup. Genuine IPs resolve to hostnames like fulltextrobot-77-75-77-xxx.seznam.cz.
What IP ranges does SeznamBot use?
Seznam lists IPv4 ranges 77.75.76.x to 77.75.79.x and two IPv6 ranges in 2a02:598::/32.
Last reviewed Oct 8, 2026