Why is Ubuntu desktop download (17.04) redirecting me to a supposedly known malicious domain/mirror?

Google Safe Browsing recently detected malware on mirror.scalabledns.com. Websites that are normally safe are sometimes infected with malware. Read More: https://transparencyreport.google.com/safe-browsing/search?url=http:%2F%2Fmirror.scalabledns.com%2Fubuntu-releases%2F17.04%2Fubuntu-17.04-desktop-amd64.iso