Domain Name System (DNS)

  1. DNS Server Types and Roles
    1. Root Name Servers
      1. Global Distribution
        1. Anycast Implementation
          1. Root Server Operators
            1. Root Zone Management
            2. Top-Level Domain Servers
              1. TLD Registry Operations
                1. Authoritative TLD Data
                  1. Delegation Information
                  2. Authoritative Name Servers
                    1. Primary Servers
                      1. Master Zone Files
                        1. Zone Data Authority
                          1. Update Responsibilities
                          2. Secondary Servers
                            1. Zone Transfer Reception
                              1. Redundancy Provision
                                1. Load Distribution
                                2. Hidden Primary Configuration
                                  1. Stealth Secondary Setup
                                  2. Recursive Resolvers
                                    1. Query Processing Logic
                                      1. Cache Management
                                        1. Client Response Handling
                                          1. Upstream Query Generation
                                          2. Forwarding Servers
                                            1. Conditional Forwarding
                                              1. Unconditional Forwarding
                                                1. Stub Resolvers
                                                2. Caching-Only Servers
                                                  1. Cache-Only Configuration
                                                    1. Performance Optimization
                                                      1. Local Network Benefits

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                                                    2. DNS Architecture and Hierarchy

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                                                    4. DNS Resolution Process