All authoritative name servers for a zone must have the same version of zone information.
An XCCDF Rule
Description
<VulnDiscussion>The only protection approach for content control of a DNS zone file is the use of a zone file integrity checker. The effectiveness of integrity checking using a zone file integrity checker depends upon the database of constraints built into the checker. The deployment process consists of developing these constraints with the right logic, and the only determinant of the truth value of these logical predicates is the parameter values for certain key fields in the format of various RRTypes. The serial number in the SOA RDATA is used to indicate to secondary name servers that a change to the zone has occurred and a zone transfer should be performed. It should always be increased whenever a change is made to the zone data. DNS NOTIFY must be enabled on the master authoritative name server.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-215582r744230_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
If all DNS servers are AD-integrated, troubleshoot why and mitigate the replication is not taking place to the out-of-sync secondary name servers.
Log on to the DNS server using the Domain Admin or Enterprise Admin account or Local Administrator account.
Press Windows Key + R, execute dnsmgmt.msc.