search indexes

msnbot

Operated by Microsoft · Search indexes

A legacy Microsoft search crawler, largely superseded by Bingbot but still turning up in logs.

When msnbot shows up in your logs

An older Microsoft crawler is indexing your page for search.

Discovery crawlers that keep a search or answer index fresh.

Allow or block it in robots.txt

A robots.txt entry is a request. Well-behaved crawlers honor it; it is not an enforcement mechanism.

allow
User-agent: msnbot
Disallow:
block
User-agent: msnbot
Disallow: /

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