Adidxbot

advertisingsearch-engine Adidxbot

Bing's advertising index web crawler bot

About this crawler

Adidxbot is a web crawler identified by the regular-expression pattern Adidxbot in the User-Agent request header. It is categorised as advertising, search-engine. Use the regex above to detect, log, allow, or block Adidxbot traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.056%
latest snapshot
2026-06-02
matched key: AdIdxBot
2026-05-012026-06-020.22%

Technical details

Name
Adidxbot
Pattern
Adidxbot
Tags
advertising, search-engine
Reference
https://www.bing.com/webmasters/help/which-crawlers-does-bing-use-8c184ec0
rDNS suffixes
.search.msn.com
Instances
0 known sample(s)

rDNS verification (FCrDNS)

Verify a request is genuinely Adidxbot 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.

Sample User-Agent strings

no public sample user-agents recorded.

Block this crawler

robots.txt — disallow Adidxbot:

User-agent: Adidxbot Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} Adidxbot [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "Adidxbot") { return 403; }
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