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Networking Intermediate

What is DNS Record Types?

Different types of DNS entries that map domain names to various information like IP addresses, mail servers, and verification strings.

DNS record types serve different purposes. A records map domains to IPv4 addresses. AAAA records map to IPv6. CNAME creates domain aliases. MX directs email to mail servers. TXT stores text data for verification and SPF/DKIM email authentication.

NS records specify authoritative nameservers. SOA defines zone authority and timing parameters. SRV records specify service locations. CAA records control which CAs can issue certificates. PTR records enable reverse DNS lookups.

Related Terms

NAT (Network Address Translation)
A method of mapping private IP addresses to public IP addresses, allowing multiple devices to share a single public IP.
SNMP (Simple Network Management Protocol)
A protocol for monitoring and managing network devices like routers, switches, servers, and printers remotely.
QoS (Quality of Service)
A set of techniques for managing network traffic to prioritize certain types of data and ensure performance for critical applications.
ICMP (Internet Control Message Protocol)
A network protocol used for diagnostic and error reporting, including ping and traceroute functionality.
WireGuard
A modern, lightweight VPN protocol that uses state-of-the-art cryptography and minimal code for fast, secure tunneling.
DHCP
A protocol that automatically assigns IP addresses and network configuration to devices on a network.
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