The website has disallow rules for Microsoft MSNBot.
https://blogs.bing.com/webmaster/2009/08/10/crawl-delay-and-the-bing-crawler-msnbot
Robots.txt
Get access to data on 1,537,329 websites that are Microsoft MSNBot Disallow Customers. We know of 428,704 live websites using Microsoft MSNBot Disallow and an additional 1,108,625 sites that used Microsoft MSNBot Disallow historically and 224,095 websites in the United States.
Get a list of 1,537,329 websites using Microsoft MSNBot Disallow which includes location information, hosting data, contact details, 428,704 currently live websites and an additional 426,020 domains that redirect to sites in this list. 1,108,625 sites that used this technology previouslyand 224,095 websites in the United States currently using Microsoft MSNBot Disallow.
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