I wonder if this could be related to someone trying to mass-scrape you to get to your data cheap ... So instead of having to do tons of domain queries themselve

I wonder if this could be related to someone trying to mass-scrape you to get to your data cheap ... So instead of having to do tons of domain queries themselves, instead they use you to make the queries and just scrape the results into a large database. At least a 100 to 1 savings.