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

DNS (Domain Name System)

A hierarchical naming system that translates human-readable domain names into IP addresses.

DNS over HTTPS (DoH)

A protocol that encrypts DNS queries by sending them over HTTPS, preventing eavesdropping and manipulation of DNS traffic.

The latest version of the Internet Protocol with 128-bit addresses, designed to replace IPv4 and solve address exhaustion.

A protocol that automatically assigns IP addresses and network configuration to devices on a network.

A network routing technique where the same IP address is announced from multiple locations, directing users to the nearest server.

A server that sits between clients and backend servers, forwarding client requests and returning server responses on their behalf.

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