Topics
Temporarily switching domain name servers (NS from now).
Tracing domain name resolutions.
Finding a way to interrogate NS direct...
For further actions, you may consider blocking this person and/or reporting abuse
Dig is fantastic and I use it every day.
If you're on Windows and have Chocolatey, you can install it with:
choco install bind-toolsonlyThank you, I forgot about the installation part. I'll update the post.
You can also use cygwin or Windows Subsystem for Linux on Windows 10, still your suggestion would be most convenient for the majority of Windows users.
DiG GUI - dig command web interface
diggui.com/