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The IP address for hidden master authoritative DNS service members must not appear in the DNS service members set in the zone database.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-233876IDNS-8X-400018SV-233876r1082648_ruleCCI-000366medium
Description
A hidden primary authoritative server is an authoritative DNS server in which the IP address does not appear in the name server set for a zone. All of the name servers that do appear in the zone database as designated name servers get their zone data from the hidden primary via a zone transfer request. In effect, all visible name servers are actually secondary servers. This prevents potential attackers from targeting the primary name server because its IP address may not appear in the zone database.
STIGDate
Infoblox 8.x DNS Security Technical Implementation Guide2026-06-03

Related Frameworks

1 mapping across 5 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (8) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

CFG-01Configuration Management Program
1.00
END-01Endpoint Device Management (EDM)
1.00
END-04Malicious Code Protection (Anti-Malware)
1.00
END-06Endpoint File Integrity Monitoring (FIM)
1.00
MON-01Continuous Monitoring
1.00
MON-01.7File Integrity Monitoring (FIM)
1.00
CFG-02Secure Baseline Configurations
0.50
CFG-02.7Approved Configuration Deviations
0.50
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (100) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-12Session Termination
1.00
AC-16(1)Dynamic Attribute Association
1.00
AC-17(1)Monitoring and Control
1.00
AC-2Account Management
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(11)Usage Conditions
1.00
AC-2(3)Disable Accounts
1.00
AC-2(4)Automated Audit Actions
1.00
AC-24(1)Transmit Access Authorization Information
1.00
AC-25Reference Monitor
1.00

+90 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (2) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.4.1
1.00
3.4.2
1.00
CCI1 mapping
CCI-000366
1.00
NIST CSF 2.00 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (5) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

DE.CM-09
1.00
PR.PS-01
1.00
PR.DS-10
0.50
PR.PSPlatform Security
0.50
PR.PS-05
0.50

Who does this work

10 NICE work roles and 9 EC-Council certifications.

This is an inference across published mappings, not a single claim by anyone. This check maps to a control, which maps to a Cybersecurity Framework outcome, which NIST assigns to the work roles below. EC-Council separately maps its certifications to those same roles.

A certification prepares someone for a role. It is not evidence that a holder is qualified, and neither NIST nor EC-Council has stated that any certification here addresses this check.

Work-role assignments published by NIST (NICE Framework Components 2.2.0 and the CSF 2.0 OLIR crosswalk). Certification mappings published by EC-Council.

Details

Check Text (C-233876r1082648_chk)

Verify that the Infoblox Grid Master is not configured to service DNS requests from clients. 1. Navigate to Data Management >> DNS >> Zones. 2. Review each zone by selecting the zone, clicking "Edit", and selecting the "DNS service members" tab. If the Grid Master is a listed DNS service member and not marked "Stealth", this is a finding.

Fix Text (F-37026r1082647_fix)

For each zone that is not in compliance: 1. Navigate to Data Management >> DNS >> Zones. 2. Reconfigure the "Name Servers" tab and modify the Grid Master by selecting "Stealth". 3. When complete, click "Save & Close" to save the changes and exit the "Properties" screen. 4. Perform a service restart if necessary.