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DNS Overview and Components
cloud.google.com/dns/docs/dns-overviewYapay zekadan makale özeti
- Core Concepts
- DNS is a hierarchical database translating domain names to IP addresses
- DNS servers store and process domain names based on client queries
- Recursive resolvers perform queries to authoritative servers for final results
- Zone Types
- Public zones are visible to internet and allow service publishing
- Private zones cannot be queried over public internet
- Delegated subzones allow subdomains to use different authoritative servers
- Split horizon DNS enables different zones for internal and external networks
- Record Management
- DNS records map domain names to resource types like A and AAAA
- Record sets contain multiple records with same name and type
- SOA records indicate primary name server and zone administrator
- DNSSEC provides security features for DNS data authentication
- Technical Details
- DNS servers must have same SOA serial number for zone versioning
- Registrars manage domain name reservations for public zones
- Conflicts between NS and SOA records can cause query failures