NIST SP 800-53 Rev. 5
SC-20
System and Communications Protection

Secure Name/Address Resolution Service (Authoritative Source)

Description

a. Provide additional data origin authentication and integrity verification artifacts along with the authoritative name resolution data the system returns in response to external name/address resolution queries; and b. Provide the means to indicate the security status of child zones and (if the child supports secure resolution services) to enable verification of a chain of trust among parent and child domains, when operating as part of a distributed, hierarchical namespace.

Mapped SPARTA techniques

67 techniques

Cite as SafeMode Space, nist-80053-rev5 SC-20.

Built 2026-07-25 from 216 techniques, 334 regulation articles, 125 ENISA controls, 2,610 framework controls, and 90 countermeasures.