What is a DNS (Domain Name System)?
System for converting domain names to IP addresses, enabling users to access websites using domain names. Foundation of internet infrastructure. Essential for web presence. Companies manage DNS records to control their online presence.
DNS impacts website speed through resolution time, propagation, and caching efficiency. Proper configuration and management improve loading times and reliability.
DNS best practices include redundant nameservers, proper record management, and security measures like DNSSEC. Regular monitoring and updates ensure optimal performance.
Troubleshoot DNS through propagation checking, record verification, and nameserver monitoring. Address common issues like misconfiguration and cache problems.
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