(Attention: To get the best from the video please click on the gear icon and select a better quality such as 480p, 720p or 1080p.)

Javascript:
<script type='text/javascript'>location.href= ";https://www.mywebsiteUrl.com"+location.pathname</script>
You can get this code from the link below or use an online HTML decoder.

See the article on website:
https://www.electronicsdiary.com/2019/04/remove-not-hosted-on-blogger-redirect-page.html

In this video you will learn how to properly setup a redirection command that removes Blogger's "redirecting" page with the message "This blog is not hosted on blogger and has not been checked for spam viruses and other forms of malware."

These solutions work for any registrar or CDN. If it's Cloudflare, you do not even need to grey-cloud the status icons on you DNS. And the primary solution is really straight forward. It involves installation of a redirect command for the blogger subdomain URL.