Hi,
The title is a message from my SEO error report,below is the recommendation on how to solve it.
"You should use HTTP redirections (301 permanant redirects) to pass PageRank from the “wrong” URLs to the standard (canonical) ones. That way, your content will still benefit from backlinks if someone makes a mistake and uses the wrong URL.
My hosting suggests the problem is caused by the CNAME records in DNS
The SEO report that you have shared seems to include both an issue and the steps to take to resolve it. Please provide more details to help the Community assist you better.