LinkpadBot

monitoring LinkpadBot

Linkpad bookmark management and link discovery crawler bot

About this crawler

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

Block-rate · top 25k sites

0.39%
latest snapshot
2026-06-04
matched key: LinkpadBot
2026-05-012026-06-040.69%

Technical details

Name
LinkpadBot
Pattern
LinkpadBot
Tags
monitoring
Reference
https://linkpad.org/robot/
Added
2026/04/26
rDNS suffixes
.linkpadbot.com
Instances
1 known sample(s)

rDNS verification (FCrDNS)

Verify a request is genuinely LinkpadBot 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

Mozilla/5.0 (compatible; LinkpadBot/2.4; +https://linkpad.org/robot/)

Block this crawler

robots.txt — disallow LinkpadBot:

User-agent: LinkpadBot Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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