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One of our sites shows thousands of 301 redirects due to domain without www in Bing Webmaster under crawl Information page. It’s been like this for a long time. None of the internal pages have domain without www, it was tested through Screaming Frog. We do have www preference set in google webmaster, but unfortunately bing doesn’t have this option.  We also specify URL with www preference through structural data, but that still doesn’t help. Did anyone have similar problems with Bing, and how did you resolve it?

We noticed that some of our results on google for the blog are also come up with subdomain that is not linked from anywhere on the website. For example: SUBDOMAIN1.website.com/blog/content.html -> it redirects to website.com/blog/content.html SUBDOMAIN1 is not linked anywhere on the website. How did the google find it in the first place? Why does it still keep it in the search results? How do you get rid of it?