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.

Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Hardware, Cloud Deployment, Hardware Troubleshooting, Networking Hardware, Desktop Support, Cloud Computing, Virtualization and Virtual Machines, Cloud Services, General Networking, Network Troubleshooting, TCP/IP, Virtualization, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Peripheral Devices, Technical Support, System Configuration, Wireless Networks, Data Storage
Beginner · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Package and Software Management, Command-Line Interface, Linux Commands, Linux, Ubuntu, Linux Administration, File Systems, Linux Servers, Data Storage, Network Troubleshooting, Operating Systems, Red Hat Enterprise Linux, Data Storage Technologies, Remote Access Systems, Operating System Administration, System Support, Software Installation, File Management, Service Management, General Networking
★ 4.4 (22) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Active Directory, Microsoft Servers, Windows Servers, User Accounts, Microsoft Windows, Dynamic Host Configuration Protocol (DHCP), Firewall, Server Administration, User Provisioning, Group Policy, Windows PowerShell, Operating System Administration, Systems Administration, Virtualization, Virtualization and Virtual Machines, System Configuration, Virtual Machines, Virtual Environment, Network Administration, Network Troubleshooting
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Routing, Routing Protocols, Network Routers, OSI Models, Virtual Local Area Network (VLAN), Network Switches, Networking Hardware, Local Area Networks, Network Infrastructure, Network Protocols, System Configuration, Network Performance Management, Computer Hardware, Configuration Management, iOS Development
★ 4.8 (41) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Load Balancing, Cloud Development, Identity and Access Management, Infrastructure As A Service (IaaS), Cloud Applications, Kubernetes, Prompt Engineering, Virtual Networking, Network Routing, Cloud Storage, Cloud Services, Firewall, TCP/IP, Routing Protocols, Virtual Private Networks (VPN), General Networking, Software-Defined Networking, Network Security
★ 4.6 (89) · Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, Virtual Networking, General Networking, Network Architecture, Networking Hardware, Network Protocols, TCP/IP, Network Infrastructure, Local Area Networks, Network Model, Telecommunications
★ 4.9 (20) · Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Linux Servers, Linux Administration, Linux, TCP/IP, Linux Commands, Network Administration, Servers, Network Protocols, System Configuration, Service Management, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Google Cloud Platform, Kubernetes, Load Balancing, Cloud Infrastructure, Google App Engine, Containerization, Cloud Platforms, Cloud Storage, Cloud-Native Computing, Virtual Networking, Cloud Services, Identity and Access Management, Network Routing, TCP/IP, Network Architecture, General Networking, Firewall, Network Infrastructure, Network Planning And Design
★ 4.5 (706) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Network Security, Network Troubleshooting, Software-Defined Networking, Network Monitoring, Virtual Networking, TCP/IP, Network Architecture, Computer Networking, Network Performance Management, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Network Administration, Local Area Networks, Network Analysis, OSI Models, Network Model, Networking Hardware, Network Switches
★ 4.7 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, Data Maintenance, Network Architecture, Cloud Infrastructure, Data Storage, Network Infrastructure, Scalability, Issue Tracking, Public Cloud, General Networking, Network Monitoring, Data Security, Serverless Computing, Network Planning And Design, Network Security, Authentications, Infrastructure Security, Authorization (Computing), Data Loss Prevention, Remote Access Systems
★ 4 (23) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Large Language Modeling, Email Security, Exploitation techniques, AI Security, Border Gateway Protocol, Malware Protection, Mobile Security, LLM Application, Cybersecurity, Routing Protocols, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, Intrusion Detection and Prevention, Security Controls, Threat Detection, TCP/IP, Network Analysis, Internet Of Things, Responsible AI
★ 4.1 (14) · Intermediate · Specialization · 3 - 6 Months