netsystemsresearch.com on my internal network

Solution 1:

I made the same observation as you did on my local network.

With this scan: https://urlscan.io/domain/netsystemsresearch.com I found the following entry in their DNS Records:

Net Systems Research conducts periodic scans of the Internet to identify fraudulent activity for our customers. Our scans are CFAA compliant; however if you wish to be excluded from our scans please contact us at [email protected].