SEBot-WA
SEO audit crawler performing technical analysis
About this crawler
SEBot-WA is a web crawler identified by the regular-expression pattern SEBot-WA in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block SEBot-WA traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.33%
Technical details
- Name
- SEBot-WA
- Pattern
SEBot-WA- Tags
- seo
- Reference
- https://help.seranking.com/en/project-tools/website-audit/overview
- Added
- 2026/04/17
- rDNS suffixes
.seranking.com,.sr-srv.net- Instances
- 1 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely SEBot-WA with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.
.seranking.com.sr-srv.net
Sample User-Agent strings
SEBot-WA
Block this crawler
robots.txt — disallow SEBot-WA:
User-agent: SEBot-WA
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} SEBot-WA [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "SEBot-WA") {
return 403;
}
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