RFC 8145 - Signaling Trust Anchor Knowledge in DNS Security Extensions (DNSSEC)

The DNS Security Extensions (DNSSEC) were developed to provide origin
authentication and integrity protection for DNS data by using digital
signatures. These digital signatures can be verified by building a
chain of trust starting from a trust anchor and proceeding down to a
particular node in the DNS. This document specifies two different
ways for validating resolvers to signal to a server which keys are
referenced in their chain of trust. The data from such signaling
allow zone administrators to monitor the progress of rollovers in a
DNSSEC-signed zone.

• Distributed Systems and Parallel Computing

• Security, Privacy and Abuse Prevention