Ron Natalie wrote:

That wasn't universally the case. Some of the ARSA's (this predates the lettered namespace)
were specifically using the "I can't hear you" approach in lieu of explicitly denying service.

Yep. Last time I tried to talk to them, Bristol, TN was one if these.

George Patterson
You can dress a hog in a tuxedo, but he still wants to roll in the mud.