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Computer Science
Computer Networking
Domain Name System (DNS)
1. Introduction to DNS
2. DNS Architecture and Hierarchy
3. DNS Server Types and Roles
4. DNS Resolution Process
5. DNS Resource Records
6. Zone Management
7. Advanced DNS Technologies
8. DNS Implementation and Deployment
9. DNS Troubleshooting and Diagnostics
10. DNS Security
11. DNS Standards and Governance
Zone Management
Zone File Structure
File Format Standards
Syntax Rules
Comment Conventions
Zone File Directives
TTL Directive
ORIGIN Directive
INCLUDE Directive
GENERATE Directive
SOA Record Details
Primary Master Name
Responsible Person Email
Serial Number Management
Refresh Interval
Retry Interval
Expire Time
Minimum TTL
Zone Transfers
Full Zone Transfer
AXFR Protocol
Complete Zone Replication
Incremental Zone Transfer
IXFR Protocol
Delta Updates
Serial Number Tracking
Zone Transfer Security
Access Control Lists
TSIG Authentication
Network Restrictions
Zone Maintenance
Serial Number Management
Record Updates
Zone Validation
Backup Procedures
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5. DNS Resource Records
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7. Advanced DNS Technologies