MBCrawler
Monitor Backlinks web crawler bot
About this crawler
MBCrawler is a web crawler identified by the regular-expression pattern MBCrawler in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block MBCrawler traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.46%
Technical details
- Name
- MBCrawler
- Pattern
MBCrawler- Tags
- seo
- Reference
- https://www.seoptimer.com/monitor-backlinks/
- Added
- 2019/03/02
- rDNS suffixes
.monitorbacklinks.com- Instances
- 1 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely MBCrawler 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.
.monitorbacklinks.com
Sample User-Agent strings
MBCrawler/1.0 (https://monitorbacklinks.com)
Block this crawler
robots.txt — disallow MBCrawler:
User-agent: MBCrawler
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} MBCrawler [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "MBCrawler") {
return 403;
}
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