DNS courses can help you learn about domain name resolution, DNS architecture, and security protocols. You can build skills in configuring DNS servers, managing DNS records, and troubleshooting connectivity issues. Many courses introduce tools like BIND, DNSSEC, and various DNS management platforms, showing how these tools are used to ensure reliable and secure domain name services.

University of Pittsburgh
Skills you'll gain: Web Services, Cloud Computing, Cloud Computing Architecture, Cloud Storage, Cloud Development, Cloud Applications, Google Cloud Platform, Flask (Web Framework), Distributed Computing, Containerization, Systems Architecture, Software Architecture, Docker (Software), Cloud-Based Integration, Virtualization, Restful API, JSON, Microservices, Application Programming Interface (API), Computer Architecture
Build toward a degree
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Network Monitoring, Firewall, Google Cloud Platform, Cloud Security, Intrusion Detection and Prevention, Identity and Access Management, Proxy Servers, Network Administration, Threat Detection, Infrastructure Security, Cyber Security Policies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Centers, Network Security, Network Administration, Virtualization and Virtual Machines, Network Troubleshooting, Virtual Machines, Network Monitoring, Wide Area Networks, Virtualization, Wireless Networks, Firewall, Event Monitoring, Cloud Infrastructure, Hardening, IT Security Architecture, Network Infrastructure, Virtual Private Networks (VPN), TCP/IP, Cloud Computing, Information Technology Operations
Advanced · Course · 1 - 3 Months

Packt
Skills you'll gain: Nginx, Web Servers, Apache, Ansible, Server Administration, Proxy Servers, Linux Servers, Application Servers, Servers, Docker (Software), System Configuration, PHP (Scripting Language), Containerization, Django (Web Framework), Software Installation, Configuration Management, Performance Tuning, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Architecture, Network Security, Network Planning And Design, Virtual Networking, General Networking, Network Infrastructure, Network Troubleshooting, Cloud Infrastructure, Network Model, Google Cloud Platform, Network Analysis, Network Routing, Load Balancing, Firewall, Hybrid Cloud Computing, Scalability, Interactive Data Visualization
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Virtual Networking, Amazon Web Services, Network Architecture, Network Infrastructure, Network Routing, General Networking, Network Monitoring, Network Planning And Design, Network Security, Remote Access Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Data Centers, Virtual Networking, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Virtual Local Area Network (VLAN), Virtualization, Virtual Private Networks (VPN), Wireless Networks, Network Monitoring, Network Troubleshooting, Network Architecture, Hardware Troubleshooting
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Network Security, Threat Detection, Proxy Servers, Network Monitoring, Intrusion Detection and Prevention, Network Troubleshooting, Firewall, Google Cloud Platform, Identity and Access Management, Cloud Infrastructure
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Ubuntu, Package and Software Management, Bash (Scripting Language), Linux Servers, Linux Administration, Unix, Linux, Shell Script, Unix Shell, Server Administration, Operating System Administration, Scripting, Linux Commands, Systems Administration, User Accounts, Servers, System Monitoring, User Provisioning, Command-Line Interface, Hardening
Intermediate · Course · 1 - 3 Months