DNS

This course features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. In this comprehensive DNS course, you'll master essential utilities like nslookup, dig, and dnswalk to troubleshoot and maintain DNS systems. You'll also gain a solid understanding of various DNS records, including A, AAAA, CNAME, PTR, and SRV, and how each type contributes to network infrastructure. The course covers configuring email services with MX and SPF records, along with domain management, purchasing, transferring, and securing DNS zones using DNSSEC. The course goes further into the installation and configuration of DNS servers such as Microsoft DNS, BIND, and Unbound. You'll also learn how to configure DNS server replication for improved fault tolerance and system efficiency, ensuring a resilient and optimized DNS infrastructure. By the end of this course, you'll have the practical skills to confidently configure and troubleshoot DNS systems. Whether you're an IT professional, system administrator, or network engineer, you'll be well-equipped to manage and secure DNS services with expertise and precision.