SC: System and Communications Protection – NIST SP 800-53 Rev 5 LOW
NIST SP 800-53 Rev 5 LOW SC-22: Architecture and Provisioning for Name/Address Resolution Service
What does SC-22 require?
Ensure the systems that collectively provide name/address resolution service for an organization are fault-tolerant and implement internal and external role separation.
This control maps to 3 controls across 3 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.