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Domain Name System Concept
Home / Scan 2 / Domain Name System Concept
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This page contains Windows bias

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This page is part of the Azure documentation. It contains code examples and configuration instructions for working with Azure services.
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Bias Analysis

Bias Types:
⚠️ windows_first
⚠️ windows_tools
⚠️ powershell_heavy
⚠️ missing_linux_example
Summary:
The documentation demonstrates a Windows bias by prioritizing Windows/Active Directory DNS concepts, providing Windows-centric instructions and screenshots, referencing Microsoft best practices and tools first, and offering more detailed Windows (nslookup) examples before Linux (dig). Linux/BIND is mentioned but not explored in depth, and Linux-specific configuration or troubleshooting steps are minimal or missing.
Recommendations:
  • Provide Linux/BIND DNS configuration and troubleshooting steps alongside or before Windows/Active Directory instructions.
  • Include Linux/BIND screenshots and examples for DNS management, not just Windows DNS Manager.
  • Expand the 'dig' section to match the detail and troubleshooting depth of the 'nslookup' (Windows) section.
  • Offer parity in packet capture and DNS update examples for Linux environments (e.g., using tcpdump, journalctl, or BIND logs).
  • Reference Linux/BIND best practices and documentation links in parallel to Microsoft/Windows links.
  • Clarify when features (like secure DDNS) are exclusive to Microsoft DNS and suggest alternatives or workarounds for Linux/BIND users.
  • Balance terminology by not assuming Active Directory or Windows DNS as the default; explicitly address both Windows and Linux DNS scenarios throughout.
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Scan History

Date Scan ID Status Bias Status
2025-08-17 00:01 #83 in_progress ✅ Clean
2025-07-13 21:37 #48 completed ✅ Clean
2025-07-09 13:09 #3 cancelled ✅ Clean
2025-07-08 04:23 #2 cancelled ❌ Biased

Flagged Code Snippets

C:\>nslookup anf.local Server: dns.anf.local Address: x.x.x.a Name: anf.local Addresses: x.x.x.x x.x.x.y
C:\> nslookup x.x.x.x Server: contoso.com Address: x.x.x.x Name: ANF-1234.contoso.com Address: x.x.x.x C:\> nslookup x.x.x.x Server: contoso.com Address: x.x.x.x Name: ANF-5678.contoso.com Address: x.x.x.x
C:\>nslookup -query=hinfo anf.local Server: dns.anf.local Address: x.x.x.a anf.local primary name server = dns.anf.local responsible mail addr = root.dns.anf.local serial = 7 refresh = 604800 (7 days) retry = 86400 (1 day) expire = 2419200 (28 days) default TTL = 604800 (7 days)
C:\>nslookup -debug anf.local ------------ Got answer: HEADER: opcode = QUERY, id = 1, rcode = NOERROR header flags: response, auth. answer, want recursion, recursion avail. questions = 1, answers = 1, authority records = 0, additional = 0 QUESTIONS: x.x.x.x.in-addr.arpa, type = PTR, class = IN ANSWERS: -> x.x.x.x.in-addr.arpa name = dns.anf.local ttl = 604800 (7 days) ------------ Server: dns.anf.local Address: x.x.x.a ------------ Got answer: HEADER: opcode = QUERY, id = 2, rcode = NXDOMAIN header flags: response, auth. answer, want recursion, recursion avail. questions = 1, answers = 0, authority records = 1, additional = 0 QUESTIONS: anf.local.ANF.LOCAL, type = A, class = IN AUTHORITY RECORDS: -> anf.local ttl = 604800 (7 days) primary name server = dns.anf.local responsible mail addr = root.dns.anf.local serial = 7 refresh = 604800 (7 days) retry = 86400 (1 day) expire = 2419200 (28 days) default TTL = 604800 (7 days)