NIST SP 800-53 Rev. 5
SC-21
System and Communications Protection

Secure Name/Address Resolution Service (Recursive or Caching Resolver)

Description

Request and perform data origin authentication and data integrity verification on the name/address resolution responses the system receives from authoritative sources.

Mapped SPARTA techniques

67 techniques

Cite as SafeMode Space, nist-80053-rev5 SC-21.

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