Unfortunately .NET is hard sell these days. Even in a 4 letter pronounceable. They do happen occasionally but that is more likely to be either a consolidating exercise by the .com holder. (at a low price) or somebody that wants the direct relationship to a NETWORK provider service.
The immediate association with the now (Little used) fax service probably doesn't help. 15 years ago I'd have probably registered it myself, if available - But not today.
No - I cant see anyone wanting to brand under a .NET for this term.
In fairness you only registered the domain the day before yesterday. Your expectations need to come down a lot if your going to find your way around hand registrations. Stay away from .NET unless it's a highly sought 'key/generic word'. Even then you may be left holding it for years