DNS

A Comprehensive Guide to DNS and its Functionality In the digital landscape, we rarely access websites by directly using their IP addresses. Instead, we rely on domain names such as google.com or flaviocopes.com. This convenience allows website owners to switch servers and hosting providers while keeping the same domain name. The mechanism responsible for mapping these domain names to their corresponding IP addresses is known as the Domain Name System (DNS)....

RFCs, or Request for Comments, are publications from the technology community. In several blog posts, I mention “this technology is defined in RFC xxxx” or “see RFC yyyy for the nitty-gritty details.” But what exactly is an RFC? An RFC stands for Request for Comments. While the term RFC can be used in various contexts, traditionally in the world of the Internet, it refers to a publication written by engineers and computer scientists for other professionals working within the Internet sphere....