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: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Exploit development, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Security Testing, Linux Administration, Scripting, Vulnerability Assessments, Hardening, Brute-force attacks, General Networking, Scripting Languages, Shell Script, Cybersecurity, Network Security
★ 4.3 (50) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Hardware Architecture, OSI Models, Computer Networking, Computer Hardware, Disaster Recovery, Virtual Local Area Network (VLAN), Network Administration, Network Architecture, Network Infrastructure, Database Management, General Networking, Network Troubleshooting, Relational Databases, Computer Systems, Wide Area Networks, Databases, Hardware Troubleshooting, Computer Architecture, Networking Hardware, IT Service Management
★ 4.7 (19) · Beginner · Specialization · 1 - 3 Months

KodeKloud
Skills you'll gain: Remote Access Systems, Linux Commands, Cryptographic Protocols, Web Servers, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Security Testing, Hardening, Brute-force attacks, IT Automation, Scripting Languages, Business Logic, Cloud Security, Network Analysis, Programming Principles, API Testing, General Data Protection Regulation (GDPR), Cloud Computing, Wireless Networks, Data Persistence, Application Programming Interface (API), Data Security
★ 4.7 (22) · Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Network Routing, Network Security, TCP/IP, Firewall, Routing Protocols, Google Cloud Platform, Virtual Networking, Network Administration, Virtual Private Networks (VPN), Network Infrastructure, Cloud Services
★ 4.8 (1.1K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Virtual Networking, Virtual Private Networks (VPN), Network Architecture, Network Planning And Design, Software-Defined Networking, General Networking, Network Administration, Enterprise Architecture, Cloud Computing Architecture, Network Routing, Hybrid Cloud Computing, Network Infrastructure, Network Security, Load Balancing, Cloud Services, Firewall, Security Controls
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Cyber Security Assessment, Security Testing, Cybersecurity, Exploitation techniques, Network Security, Command-Line Interface, Linux Commands, Network Troubleshooting, General Networking, Linux, TCP/IP, Network Protocols
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Docker (Software), Devops Tools, Data Storage, DevOps, Virtual Networking, Network Troubleshooting, Cloud-Native Computing, Containerization, Data Storage Technologies, Data Persistence, Network Model, Data Loss Prevention, General Networking, Network Architecture, Virtual Local Area Network (VLAN), Network Security, Application Deployment, Data Management, Data Migration, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Vulnerability Assessments, Cyber Security Assessment, Brute-force attacks, Exploitation techniques, Security Testing, Cybersecurity, Technical Documentation, Test Tools, Authentications, Web Servers, GitHub, Firewall, Content Strategy
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Distributed Denial-Of-Service (DDoS) Attacks, Load Balancing, Network Security, Infrastructure Security, Firewall, Network Administration, Key Management, IT Security Architecture, Virtual Networking, Cloud Security, Infrastructure As A Service (IaaS), Cloud Computing Architecture, Cloud Infrastructure, Network Infrastructure, Virtual Private Networks (VPN), Network Architecture, Security Controls, General Networking, Network Planning And Design
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: API Gateway, Kubernetes, Nginx, Cloud-Native Computing, Software-Defined Networking, Proxy Servers, Web Servers, Public Key Infrastructure, DevOps, Continuous Deployment, Network Troubleshooting, Role-Based Access Control (RBAC), Infrastructure Security, Computer Networking, Application Deployment, Network Security, Security Controls, System Configuration, Security Software, Verification And Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Desktop Support, Help Desk Support, Technical Support and Services, Technical Support, Computer Security Incident Management, Network Support, Microsoft Windows, Security Controls, Information Systems Security, System Support, End User Training and Support, Security Management, Network Troubleshooting, Operating System Administration, Information Technology Operations, Hardware Troubleshooting, Software Installation, System Configuration, Systems Administration, IT Service Management
Beginner · Course · 1 - 3 Months