Amazon offers QLDB which exists in a similar space (https://aws.amazon.com/qldb/ https://aws.amazon.com/qldb/). The target audience seems to be organizations w

Amazon offers QLDB which exists in a similar space (https://aws.amazon.com/qldb/ https://aws.amazon.com/qldb/). The target audience seems to be organizations with strict regulatory requirements who want to prove that data hasn't been tampered with since write. Useful for payment records, storing a log immutable events (patient 23 had an appointment today), stuff like that. The applications aren't endless, but they extend further than just DNS.