Ist projectsupremacy.com sicher?

Received spam directing to this website, the spam read as follows and was made out to look like it was sent from ***** however in looking at the link it redirected to www.projectsupremacy.com ""From: Rand Fishkin <rand@moz.com> Subject: Your Site's Schema Message Body: , I noticed your site had some structured data issues. Not sure if you're aware but Google is now using Schema markup and structured data as a ranking factor. I personally use it on all of my sites and client sites. Here's a link to the plugin I use for adding Schema. It works really well and there's an active Facebook group to help you - (link removed) Enjoy! Rand""