Definition

The Domain Name System (DNS) translates human-readable domain names (e.g., www.example.com) into IP addresses that computers use to identify and communicate with each other on the internet.

Used Cases

• Used by websites to route users to the correct IP addresses when they enter domain names.• Employed in email services to ensure that emails are routed to the correct mail servers.

FAQs

What is the role of DNS in internet communication?

DNS translates human-readable domain names into IP addresses, allowing users to access websites and services without needing to remember numerical IPs.

What are common DNS-related attacks?

Common attacks include DNS spoofing (or DNS cache poisoning), where attackers redirect traffic to malicious sites, and DDoS attacks targeting DNS servers.

How can DNS security be improved?

DNS security can be enhanced by implementing DNSSEC, which adds a layer of authenticity to DNS records, preventing tampering or redirection.

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