The website has disallow rules for Ahrefs Bot.
https://ahrefs.com
Robots.txt
Get access to data on 11,541,306 websites that are Ahrefs Bot Disallow Customers. We know of 4,496,845 live websites using Ahrefs Bot Disallow and an additional 7,044,461 sites that used Ahrefs Bot Disallow historically and 2,167,757 websites in the United States.
Get a list of 11,541,306 websites using Ahrefs Bot Disallow which includes location information, hosting data, contact details, 4,496,845 currently live websites and an additional 2,647,056 domains that redirect to sites in this list. 7,044,461 sites that used this technology previouslyand 2,167,757 websites in the United States currently using Ahrefs Bot Disallow.
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