Read on the backgrounds: https://www.alienvault.com/blogs/security-essentials/dynamic-dns-security-and-potential-threats
Dynamic DNS itself isn’t malicious, but it could be a sign of other problems, absuses or threats to your network’s security,
so we should always be on the look-out for this when we find this alerted.
Example: https://urlquery.net/report/3ffb08a8-fa24-43b9-a134-3cc70fff41cd
In this case no malware detected: https://www.virustotal.com/nl/url/bb0e83dce4694c2274288cbab8e7f3ea7a8ba58d78101d612fdb4f33deea0ade/analysis/1515158573/
polonus