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.

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cybersecurity, Security Testing, Vulnerability Assessments, Network Analysis, Exploitation techniques, Linux, System Configuration, Linux Administration, Virtual Machines, Linux Commands, Operating Systems, Software Installation, Workflow Management
★ 4.8 (32) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Servers, User Provisioning, Servers, Systems Administration, Virtualization and Virtual Machines, Scripting, Virtualization, Network Administration, Virtual Environment, File Systems, Information Technology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Routing, Firewall, TCP/IP, Routing Protocols, Network Security, Virtual Networking, Private Cloud, Google Cloud Platform, Network Infrastructure, General Networking, Network Administration, Cloud Services, Cloud Security
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Microsoft Azure, Network Troubleshooting, Network Security, Network Architecture, Virtual Networking, Network Administration, Wide Area Networks, Hardening, Virtual Private Networks (VPN), Network Routing, Remote Access Systems
★ 4.8 (37) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Servers, User Accounts, Linux Administration, Lightweight Directory Access Protocols, User Provisioning, Linux, Group Policy, Server Administration, Servers, Operating System Administration, Performance Tuning, Systems Administration, System Configuration, Identity and Access Management, Open Source Technology, Performance Testing, Linux Commands, Command-Line Interface, Firewall, Authentications
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Command-Line Interface, Network Troubleshooting, Linux Commands, Linux, Linux Servers, Linux Administration, Technical Support, Amazon Web Services, File Management, Remote Access Systems, Network Protocols, Network Security, Operating Systems, Package and Software Management, System Configuration, Scenario Testing, DevOps, Communication
★ 4.8 (28) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Virtualization, Dynamic Host Configuration Protocol (DHCP), Virtualization and Virtual Machines, Linux Administration, Linux Servers, Lightweight Directory Access Protocols, Network Administration, Virtual Machines, Linux, Network Architecture, Information Technology, Network Planning And Design, Virtual Environment, General Networking, Computing Platforms, System Configuration, Linux Commands, Remote Access Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Network Administration, Dynamic Host Configuration Protocol (DHCP), Technical Support and Services, General Networking, Firewall, Microsoft Windows, Local Area Networks, Lightweight Directory Access Protocols, Network Security, Network Troubleshooting, Computer Networking, Mac OS, Group Policy, Network Infrastructure, TCP/IP, User Accounts, Authorization (Computing), Network Protocols, Multi-Factor Authentication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux Servers, Web Servers, Lightweight Directory Access Protocols, Email Security, Linux, Nginx, Apache, Dynamic Host Configuration Protocol (DHCP), Linux Commands, Servers, Operating System Administration, Hardening, Server Administration, Active Directory, Windows Servers, File Systems, System Configuration, Microsoft Servers, Network Security
Advanced · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Security, OSI Models, Network Monitoring, Network Performance Management, Network Architecture, Computer Networking, TCP/IP, General Networking, Local Area Networks, Cybersecurity, Network Analysis, Network Protocols, Network Infrastructure, Network Support, Information Systems Security, Software-Defined Networking, Network Administration, Network Planning And Design, Network Routing
★ 4.7 (27) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Networking Hardware, General Networking, Network Infrastructure, Local Area Networks, OSI Models, Network Protocols, Network Support, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), TCP/IP, Network Architecture, Computer Networking, Network Planning And Design, Wireless Networks, Network Security, Network Switches, Virtual Local Area Network (VLAN)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Load Balancing, Microsoft Azure, Network Monitoring, Network Troubleshooting, Network Planning And Design, Network Administration, Virtual Machines, Disaster Recovery, Network Performance Management, Security Controls, System Monitoring, Network Security, Cloud Storage, Firewall
★ 4.6 (12) · Intermediate · Course · 1 - 3 Months