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🌐 DNS Cases

DNS resolution failures, glue records, CNAME issues, and local zone hijacking.

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• DNS Event 8020: 管理网卡配置废弃 IPv6 DNS 导致 DNS 动态注册失败

  📅 2026-04-15 · 📁 DNS, Windows-Server

  Case Summary: DNS Event 8020 — 管理网卡配置废弃 IPv6 DNS 地址导致 DNS 动态注册每日失败

• DNS Conditional Forwarder CNAME Cross-Domain Resolution Failure - Secure Cache Against Pollution

  📅 2026-04-01 · 📁 case-summaries

  Case Summary: DNS Conditional Forwarder CNAME Cross-Domain Resolution Failure

• DNS 解析间歇性失败 — 本地 Zone 劫持 CNAME 链

  📅 2026-02-03 · 📁 DNS, Windows-Server

  Case Summary: DNS 解析间歇性失败 — 本地 Zone 劫持 CNAME 链

• DNS Ping 解析失败 — CNAME 记录中隐藏的前导空格导致 DNS 客户端拒绝响应

  📅 2025-11-24 · 📁 DNS, Windows-Client

  Case Summary: DNS Ping 解析失败 — CNAME 记录中隐藏的前导空格导致 DNS 客户端服务拒绝响应

• Case Summary: DNS 服务器因隐藏 Glue 记录返回意外 A 记录

  📅 2024-11-01 · 📁 DNS, Windows-Server

  Case Summary: DNS 服务器因隐藏 Glue 记录返回意外 A 记录