DNS
The Domain Name System turns human-readable domain names into IP addresses. Learn how DNS works, the different record types, DNSSEC, encrypted DNS, and common DNS issues.
DNS Record Types Explained: A, AAAA, CNAME, MX, TXT, and More
DNS records map domains to IP addresses and define email routing, aliases, and verification. Learn every important DNS …
What Is a DNS Server? Recursive vs Authoritative Explained
DNS servers resolve domain names to IP addresses. Learn the difference between recursive and authoritative servers, root …
What Is DNS over HTTPS (DoH)? Encrypted DNS Explained
DNS over HTTPS encrypts DNS queries inside HTTPS traffic, preventing ISPs and network operators from seeing which …
What Is DNS Propagation? Why DNS Changes Take Time
DNS propagation is the time it takes for DNS changes to spread across the internet. Learn why it takes hours, how …
What Is DNS? The Internet's Phone Book (Sort Of)
DNS (Domain Name System) translates domain names into IP addresses. Learn how DNS works, types of DNS servers, common …
What Is DNSSEC? Securing the Internet's Phone Book
DNSSEC adds cryptographic signatures to DNS records, proving they haven't been tampered with. Learn how DNSSEC works, …