Using Builtwith to Filter Active Technology Stacks

Builtwith's "Find Technology stack" enrichment question. By default it looks like the feature brings in inactive technologies also. So I'd query to see if a company uses AWS, for example. If they did in the past, perhaps years ago, then I get AWS back. Obviously knowing that it used it at some point has some merit but for most cases it's worthless and a big false positive in case people don't understand that the feature returns both active and inactive technologies also. There is no filter for "exclude inactive ones". There is a last detected date filter, however. But I don't understand how to use that. It looks like a simple text field. Ideally we'd say filter for detected in the last 6 month. How do I do that?