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 Colorado System
Skills you'll gain: TCP/IP, Network Protocols, Routing Protocols, Dynamic Host Configuration Protocol (DHCP), Network Security, Network Routing, Software-Defined Networking, Virtualization
★ 4.7 (755) · Mixed · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: TCP/IP, Routing Protocols, Network Protocols, Open Shortest Path First (OSPF), Network Routing, Cybersecurity, Network Monitoring, Network Security, Cyber Attacks, Network Performance Management, Intrusion Detection and Prevention, Network Routers, Network Infrastructure, File Transfer Protocol (FTP), Dynamic Host Configuration Protocol (DHCP), Network Architecture, System Configuration, Network Analysis
★ 4.6 (2.8K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Network Security, Cryptographic Protocols, OSI Models, Public Key Infrastructure, Cybersecurity, Advanced Encryption Standard (AES), Key Management, Network Protocols, Encryption, Threat Modeling, Data Encryption Standard, Remote Access Systems, Firewall, Brute-force attacks, Emerging Technologies, TCP/IP, Wireless Networks, Local Area Networks, Authentications
★ 4.8 (11) · Advanced · Course · 1 - 4 Weeks

Packt
Skills you'll gain: System Requirements, Virtual Networking, Network Architecture, ESXi Installation, Computer Networking, Ubuntu, Virtual Machines, Remote Access Systems, Package and Software Management, Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Administration, Network Architecture, Hardware Troubleshooting
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Provisioning, System Support, Network Troubleshooting, Network Administration, Network Support, Data Maintenance, Software Installation, System Configuration, Servers, Virtual Machines, Virtualization
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Monitoring, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Routing Protocols, Virtual Private Networks (VPN), Security Controls, OSI Models, Dynamic Host Configuration Protocol (DHCP), Proxy Servers
★ 4.6 (9) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Network Routing, Routing Protocols, Network Troubleshooting, Virtual Networking, Network Performance Management, Network Monitoring, General Networking, Amazon Web Services, Network Planning And Design, Wide Area Networks, Network Architecture, Capacity Management, Performance Tuning
★ 4.4 (98) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Network Performance Management, Network Routing, Google Cloud Platform, Network Troubleshooting, Network Architecture, General Networking, Network Monitoring, TCP/IP, Network Planning And Design, Computer Networking, Routing Protocols, Virtual Private Networks (VPN), Performance Tuning, Cloud Services, Private Cloud, Service Level, Cloud Management, Remote Access Systems, Cloud Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Network Monitoring, Google Cloud Platform, General Networking, Network Troubleshooting, Cloud Infrastructure, Computer Networking, Network Architecture, Network Infrastructure, Network Performance Management, Virtual Machines, Network Analysis
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Border Gateway Protocol, Routing Protocols, Multiprotocol Label Switching, Network Routing, Network Routers, Virtual Private Networks (VPN), Network Protocols, Network Troubleshooting, Configuration Management
Intermediate · Course · 1 - 4 Weeks

NVIDIA
Skills you'll gain: OSI Models, TCP/IP, Data Centers, Network Protocols, Network Infrastructure, Local Area Networks, Network Architecture, General Networking, Networking Hardware, Network Planning And Design, Computer Networking, Network Switches, Network Routing, Network Model
★ 4.6 (695) · Beginner · Course · 1 - 4 Weeks