High volume DNS services from Google Cloud Platform.
https://developers.google.com/cloud-dns/
Name Server · Enterprise DNS
Get access to data on 1,535,986 websites that are Google Cloud DNS Customers. We know of 616,795 live websites using Google Cloud DNS and an additional 919,191 sites that used Google Cloud DNS historically and 510,858 websites in the United States.
Get a list of 1,535,986 websites using Google Cloud DNS which includes location information, hosting data, contact details, 769,320 currently live websites which includes 152,525 domains that redirect to sites in the list. 919,191 sites that used this technology previously and 510,858 websites in the United States currently using Google Cloud DNS.