# Trace Creating a DNS Infrastructure Design across Active Directory and Windows DNS > Use Creating a DNS Infrastructure Design to review this narrow operational decision without extending the source beyond its stated scope. - Canonical URL: https://update.dsesecurity.com/updates/trace-creating-a-dns-infrastructure-design-across-active-directory-and-windows-dns/ - Publisher: Detection Systems & Engineering (DSE Security) - Author: DSE Security Editorial Team - Published: 2026-08-27T17:06:32+00:00 - Modified: 2026-08-27T17:11:09+00:00 - Last reviewed by DSE: 2026-08-27 - Resource type: Guide - DSE priority: Advisory - Topics: Cybersecurity, Microsoft 365 & Identity, Networks & Infrastructure - Reading time: 3 minutes ## What you need to know Use Creating a DNS Infrastructure Design to review this narrow operational decision without extending the source beyond its stated scope. ## Potentially affected Teams, systems, services, or facilities within the stated scope of Creating a DNS Infrastructure Design ## DSE recommendation Compare the observed state with the cited official source, document applicability and exceptions, and test any approved change with rollback safeguards. ## Article Use this document to connect an official requirement or behavior to observable evidence: Trace Creating a DNS Infrastructure Design across Active Directory and Windows DNS. Only the official source and traced locations below supply facts. Confirm applicability before acting. ## Source fact: The official [Creating a DNS Infrastructure Design](https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/plan/Creating-a-DNS-Infrastructure-Design) from Microsoft supports the following bounded statements: - At Introduction below H1, Microsoft states: “After you create your Active Directory forest and domain designs, you must design a Domain Name System (DNS) infrastructure to support your Active Directory logical structure.” The research record locates this support at Introduction below H1. - At Introduction below H1, Microsoft states: “DNS enables users to use friendly names that are easy to remember to connect to computers and other resources on IP networks.” The research record locates this support at Introduction below H1. These statements are the factual basis for this document. Do not extend them into a broader assurance. Review forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles only where the source and recorded environment align. ## What the source does not establish The cited page and retained statements do not establish the current state of any DSE or customer environment, prove that the documented configuration is applicable, or authorize a production change. Confirm supported versions, dependencies, and the current live source before use. The citation is not a substitute for observed state, authorization, compliance evidence, or dependency health. Examine Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity before translating the source into an operational decision. ## Applicability questions - For source statement 1 at Introduction below H1, which observable configuration, record, or test can confirm applicability here? - For source statement 2 at Introduction below H1, which observable configuration, record, or test can confirm applicability here? - Within forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles, which versions, roles, and configuration states define the review population? - Could Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity invalidate the test, hide a failure, or change applicability? - Who owns the decision, and which observation requires stopping, escalation, or rollback? ## DSE recommendation: DSE recommends using the cited source as the evidence anchor for this decision. Start with applicability, then compare the observed state with the cited source. Record the source location, examined part of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles, observed and expected states, owner, and reason for deviation. An implementation decision needs an owner, approved window, prechecks, observable outcome, stop authority, and rollback path. Validate Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity before and after the test, and store only sanitized operational evidence. ## Verification and evidence Evidence should let another reviewer reproduce this decision. Retain observations beside the traced locations Introduction below H1; Introduction below H1. Favor directory and policy exports, replication and locator tests, event logs, trust state, role ownership, and controlled authentication tests, linked to stable identifiers, time, and operator. Label this evidence set DSE-20260827-054 so observations, approvals, exceptions, and later rechecks cannot be substituted from another source review. Keep before-state evidence, approval, test or change result, exceptions, and after-state evidence together. Use an approved lab, window, or nonproduction path for risky tests. Set a recheck trigger for version, architecture, dependency, vendor, incident, or ownership change. A check proves only what was observed. ## Official references - [Creating a DNS Infrastructure Design](https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/plan/Creating-a-DNS-Infrastructure-Design) — Microsoft ## Primary reference - Name: Creating a DNS Infrastructure Design - Authority: Microsoft Learn - URL: https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/plan/Creating-a-DNS-Infrastructure-Design - Source publication date: Not stated by the source ## Citation and use Preferred citation: “Trace Creating a DNS Infrastructure Design across Active Directory and Windows DNS,” DSE Security, https://update.dsesecurity.com/updates/trace-creating-a-dns-infrastructure-design-across-active-directory-and-windows-dns/ Publishing principles: https://update.dsesecurity.com/updates/dse-updates-editorial-methodology/ Usage and citation policy: https://update.dsesecurity.com/usage/ Copyright © 2026 Detection Systems & Engineering. All rights reserved.