What is a content delivery network (CDN)? | How do CDNs work?

Explore how a CDN delivers fast, efficient, and secure content to websites and Internet services. What is a CDN? A…

Attackers can poison a DNS cache by tricking DNS resolvers into caching false information, resulting in the resolver sending the…

The DNS CNAME record works as an alias for domain names that share a single IP address. A “canonical name”…

DNS lets users connect to websites using domain names instead of IP addresses. Learn more about how DNS works. What…

Four different types of DNS servers have to work in harmony to deliver a single webpage. What are the different…

A DNS root server is the first stop in a DNS lookup. What is a DNS root server? The administration…

In DNS lookups, which match domain names to machine-readable IP addresses, the journey up the DNS tree can either be…

A DNS flood is a DDoS attack that aims to flood and overwhelm a target DNS server. What is a…

The DNS A record points to the IP address for a given domain name. What is a DNS A record?…

Round-robin DNS is a load-balancing technique that uses several different IP addresses for a single domain name. What is round-robin…