Microsoft Antispam Bot


Owner of the robot : Microsoft Corporation

Country : USA

Robot type : search engine

Description : MSNBot is the main crawler of Microsoft for its Live Search (MSN Search) search engine. This crawler is well known, maybe too well known. Some webmasters show this robot other contents than to regular users. To fight this spam, Microsoft runs several kinds of quality checks. Some of these quality checks are performed by the Microsoft Antispam Bot. It uses a user agent that looks very much like a regular browser and its referrer looks like a regular Live referrer (most other robots do not show any referrer):
http://search.live.com/results.aspx?q=keyword&mrt=en-us&FORM=LIVSOP

Microsoft Antispam Bot reads HTML pages and the related CSS files. Do not block this bot as this would negatively hurt your ranking in Microsoft search engine.

    User Agent transmitted to the visited web server :

    • Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322)

    IP address range :

    • from 65.52.0.0 to 65.55.255.255 (phx.gbl live.com)
      (last visit in May 2008)

    Access control options understood by the robot : unknown

    User Agent to use in the robots.txt file : unknown

    URL’s for more information :

    Our pages about other Microsoft robots :