Portal | Level: L2: Operations | Topics: DNS | Domain: Networking
DNS Split-Horizon Confusion¶
| File | Purpose |
|---|---|
| symptoms.md | Problem statement and observable symptoms |
| questions.md | Diagnostic questions to work through |
| solution.md | Detailed root cause analysis and fix |
| grading.md | Self-assessment checklist |
| artifacts/ | 2 supporting file(s) |
Wiki Navigation¶
Prerequisites¶
- Networking Deep Dive (Topic Pack, L1)
Related Content¶
- AWS Route 53 (Topic Pack, L2) — DNS
- Case Study: CoreDNS Timeout Pod DNS (Case Study, L2) — DNS
- Case Study: DNS Looks Broken — TLS Expired, Fix Is Cert-Manager (Case Study, L2) — DNS
- Case Study: DNS Resolution Slow (Case Study, L1) — DNS
- DHCP & IP Address Management (Topic Pack, L1) — DNS
- DNS Deep Dive (Topic Pack, L1) — DNS
- DNS Flashcards (CLI) (flashcard_deck, L1) — DNS
- DNS Operations (Topic Pack, L2) — DNS
- Incident Simulator (18 scenarios) (CLI) (Exercise Set, L2) — DNS
- Networking Deep Dive (Topic Pack, L1) — DNS
Pages that link here¶
- DHCP & IP Address Management
- DHCP & IP Address Management - Primer
- DNS Deep Dive
- DNS Deep Dive - Primer
- DNS Operations
- DNS Operations - Primer
- DNS Resolution Taking 5+ Seconds Intermittently
- Master Curriculum: 40 Weeks
- Networking Case Studies
- Networking Deep Dive
- Networking Drills
- Ops Archaeology: The 5% That Can't Resolve
- Runbook: DNS Resolution Failure
- Scenario: DNS Resolves Correctly but Application Fails to Connect
- Symptoms