Domain Name System (DNS)

  1. DNS Implementation and Deployment
    1. DNS Server Software
      1. BIND
        1. Configuration Management
          1. Zone File Formats
            1. Security Features
            2. PowerDNS
              1. Backend Options
                1. API Integration
                2. Unbound
                  1. Recursive Resolver Features
                    1. Validation Capabilities
                    2. Microsoft DNS
                      1. Active Directory Integration
                        1. Windows-Specific Features
                        2. Cloud DNS Services
                          1. Managed DNS Providers
                            1. API-Based Management
                          2. Network Configuration
                            1. Resolver Configuration
                              1. resolv.conf Settings
                                1. DHCP Option 6
                                  1. Network Manager Integration
                                  2. Firewall Considerations
                                    1. Port 53 Requirements
                                      1. UDP and TCP Traffic
                                        1. Security Policies
                                        2. Network Topology
                                          1. Internal DNS Architecture
                                            1. External DNS Dependencies
                                              1. Redundancy Planning
                                            2. Performance Optimization
                                              1. Cache Sizing
                                                1. Query Rate Limiting
                                                  1. Response Time Monitoring
                                                    1. Bandwidth Management
                                                    2. High Availability
                                                      1. Server Redundancy
                                                        1. Geographic Distribution
                                                          1. Failover Mechanisms
                                                            1. Monitoring and Alerting

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                                                          7. Advanced DNS Technologies

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                                                          9. DNS Troubleshooting and Diagnostics