Скачать или смотреть DNS 05 Demystifying DNS Records

The source provides an educational overview of various aspects of the *Domain Name System (DNS)**, specifically focusing on its **register types* known as Resource Records (**RR**). Key register types, such as *Start Of Authority (SOA)**, **Name Server (NS)**, **Address (A)**, **Pointer (PTR)**, **Canonical Name (CNAME)**, and **Mail Exchange (MX)**, are explained, detailing their function and associated data fields like **RDATA* and *Type**. Furthermore, the document introduces **Dynamic DNS (DDNS)* as a solution for automatically synchronizing DNS records with changing IP addresses, often associated with *DHCP* usage. Finally, it lists useful *DNS commands* like *nslookup* and *dig* for both Windows and Linux environments.