The only end user would be a registrar, and it is an odd name for a registrar company. Put yourself in the shoes of a registrar company owner. Would you name your company like that?
And they let it drop, wasn't worth a renewal fee to them.
DomainNameControl.com...
DomainControl.com would've been much better, it's almost obvious that "We added the word 'Name' to our domain because DomainControl.com was taken"
I wouldn't say worthless, but not much, maybe mid $xx
I don't see high odds in someone shelling out $xxx to go out of their way to develop this name, unless they have an original concept that this name suits perfectly, otherwise I think $xx is possible.