25 Best DNS Courses Online
We compared 25 DNS courses currently listed on Udemy, priced from $19.99 to $199.99. They are ordered by our CourseAsk score, which is built from how thoroughly each course describes what it teaches, whether it comes from a named institution, and how it compares on price — not from star ratings, which our course data does not include.
- Courses compared
- 25
- Price range
- $19.99 – $199.99
- Providers
- Udemy
- Last updated
- 30 Aug 2026
How these 25 courses were chosen
Every course below is a real, currently listed course from Udemy, matched to this topic by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.
The grade on each entry scores how much the provider publishes about the course before you pay — the length and detail of the description, whether it lists learning outcomes and objectives — and whether a named university or institution stands behind it. A is fully documented and institution-backed; E is little more than a title and a price. Courses with almost nothing published are left ungraded rather than marked down, because an unknown course and a poor one are not the same thing.
There are no star ratings on this page — the course feeds we license do not include them, and we would rather leave a column out than fill it with a number we cannot stand behind. What we do have is price: these range from $19.99 to $199.99, as listed by the provider when we last updated the page.
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1
Mastering Port Numbers for CompTIA A+
Mastering Port Numbers for CompTIA A+: Ace Your Certification with Confidence!Are you preparing for the CompTIA A+ Certification (220-1001 & 220-1101)? Struggling to memorize all those port numbers and protocols? Look no...
$19.99listed price -
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2
Udemy MOOC / Non-creditA+ 220‑1101 — Domain 2: Networking
Build rock‑solid confidence for CompTIA A+ 220‑1101 Domain 2: Networking. This course delivers six exam‑style practice tests (90 questions each) that mirror the tone, difficulty, and blueprint coverage you’ll see on the...
$79.99listed price -
3
Udemy CertificateCisco CCNA IPv4 Tutorial: Everything You Need!
This course is over 6 hours in length and will cover all aspects of IPv4. Students will learn IP addressing, Subnetting, VLSM, Route Summarization, and Wildcard Masking. The course will also show students how to assign...
$29.99listed price -
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4
Udemy CertificateOffensive Security Pathway - Level 2 of 6
In this Level 2 course, Offensive Security Officer (OSO), you'll take the next step in your cybersecurity journey by diving deeper into intermediate offensive security concepts. You will explore the importance of virtual...
$34.99listed price -
5
Udemy CertificateAWS Networking Zero to Hero : Masterclass
This is your complete guide to mastering AWS Networking — from foundational concepts to advanced architecture and real-world automation.Whether you’re a beginner or an IT professional transitioning to the cloud, this cou...
$64.99listed price -
6
Udemy CertificateAWS Advanced Networking Specialty Simulado Teste
AWS Certified Advanced Networking Specialty Simulado Teste Prático. Projetar e manter redes em escala global na AWS exige um conhecimento profundo de protocolos de roteamento, conectividade híbrida e segurança de borda....
$34.99listed price -
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7
Udemy CertificateLinux Professional Institute LPIC-2 201-450 202-450Exam 2026
Are you ready to prepare for the Linux Professional Institute LPIC-2 201-450 202-450 Exam ?LPIC-2 is the second certification in the multi-level professional certification program of the Linux Professional Ins...
$19.99listed price -
8
Udemy CertificateCisco 300-445 ENNA Implementing Enterprise Network Assurance
Welcome to Exam Cisco 300-445 ENNA Designing and Implementing Enterprise Network Assurance Verified QA Tests 2026Designing and Implementing Enterprise Network Assurance v1.0 (ENNA 300-445) is a 90-minute exam associated...
$19.99listed price -
9
Udemy CertificateComplete Study Guide: CompTIA Network+ Certification
Master the CompTIA Network+ Exam with Our Complete Study GuideGet fully prepared to ace your CompTIA Network+ certification with our all-in-one study course. Designed for both beginners and professionals, this course giv...
$19.99listed price -
10
Udemy CertificateLPIC-1 Linux Administrador: EXAMEN 102-500
¿Qué aprenderás?Dominar Bash y el scripting en entornos Linux, incluyendo expansión de variables, estructuras básicas y automatización de tareas repetitivasAdministrar usuarios y grupos, gestionar contraseñas, permisos a...
$19.99listed price -
11
Udemy CertificateVMware Certified Professional - Network Virtualization Exams
In today's rapidly evolving IT landscape, obtaining the VMware Certified Professional - Network Virtualization certification is crucial for professionals aiming to validate their expertise in network virtualization techn...
$19.99listed price -
12
![[NEW] AWS Certified Advanced Networking Specialty 2026](https://i.udemycdn.com/course/480x270/2771884_03cc_3.jpg)
Udemy Certificate[NEW] AWS Certified Advanced Networking Specialty 2026
The AWS Certified Networking Specialty Exam ANS-C01 is one of the most challenging certification exams you can take from Amazon. Passing it tells employers in no uncertain terms that your knowledge of AWS netwo...
$129.99listed price -
13
Udemy MOOC / Non-creditSimulado Windows Server Hybrid Administrator Associate
Simulado Microsoft Certified Windows Server Hybrid Administrator Associate AZ-800. A administração moderna de servidores exige a capacidade técnica de gerenciar ambientes locais integrados com a nuvem pública de forma tr...
$34.99listed price -
14
Udemy MOOC / Non-creditTests Pratiques Certification Linux LPIC-2
Cette série de tests pour la certification Linux LPIC-2 est conçue pour les professionnels IT ayant déjà une bonne compréhension des bases de Linux et souhaitant maîtriser les compétences avancées en administration de sy...
$19.99listed price -
15
Udemy MOOC / Non-creditLinux LPIC-2 (202-450) Mocks with Explanations (Unofficial)
The || 202-450: LPIC-2 Linux Engineer Practice Tests || course is designed to help you strengthen your preparation for the LPIC-2 202-450 certification exam. This course offers a wide range of carefully structured practi...
$19.99listed price -
16
![[old] Building AWS Basic Architecture for super beginners](https://i.udemycdn.com/course/480x270/3887162_8968_3.jpg)
Udemy MOOC / Non-credit[old] Building AWS Basic Architecture for super beginners
This course is a legacy course. The UI of the AWS console in this course is an old version.Through this Udemy course, complete beginners of both AWS and IT in general will learn how to implement practical IT infrastructu...
$19.99listed price -
17
Udemy MOOC / Non-creditSimulado Microsoft Azure Network Engineer Associate
Simulado Microsoft Azure Network Engineer Associate AZ-700. A infraestrutura de rede é a espinha dorsal de qualquer solução de nuvem, exigindo que o engenheiro domine a conectividade híbrida, roteamento e segurança de tr...
$34.99listed price -
18
Udemy CertificateComplete Networking Course: Windows Server Administration
Complete Windows Server Networking Course DescriptionMaster enterprise network administration with the most comprehensive Windows Server networking training available!Transform yourself into a confident network administr...
$174.99listed price -
19
![[NEW] Certified System Administrator](https://i.udemycdn.com/course/480x270/7210019_ad75.jpg)
Udemy Certificate[NEW] Certified System Administrator
Detailed Exam Domain CoverageSystem Installation & Configuration (25%) Topics covered include OS installation methods (PXE, ISO, virtualization), filesystem layout and partitioning strategies, boot loader configurati...
$99.99listed price -
20
Udemy CertificateCisco CCNA (200-301)
Welcome to the Cisco Certified Network Associate (CCNA) Course! This course is designed to help you develop the knowledge and skills necessary to install, configure, and operate small to medium-sized networks.Throughout...
$199.99listed price -
21
Udemy MOOC / Non-creditAWS certified SysOps Administrator-Associate Challenge tests
Prepare with confidence for the AWS Certified SysOps Administrator – Associate (2026 update) exam through this comprehensive practice test course. Designed for learners who want authentic, exam-aligned preparation, this...
$19.99listed price -
22
Udemy CertificateLPIC-1 Linux Administrator (102-500)
The LPIC-1 Linux Administrator certification demonstrates a basic proficiency with the Linux operating system and the ability to perform real-world maintenance and administrative tasks. The 102-500 exam expands upon the...
$149.99listed price -
23
Udemy CertificateRHCE Linux System Engineer Complete Course
In the Linux Administration Field, we cannot get started with any Linux advanced tasks without first mastering foundational topics. This course will help all students who aim to enhance their knowledge and advance confid...
$19.99listed price -
24
Udemy MOOC / Non-creditAssociate Google Workspace Administrator Exámenes 2026
Bienvenido a su suite de preparación definitiva para la certificación Associate Google Workspace Administrator.En el mundo actual, en el que la nube es lo primero, gestionar una plataforma de colaboración es mucho más qu...
$149.99listed price -
25
Udemy CertificateCisco Certified Network Associate (200-301) Practice | 2026
Today, we embark on a journey into the world of networking with the CCNA 200-301 certification. This coveted badge validates your mastery of networking fundamentals, equipping you with the skills to build, manage, and se...
$19.99listed price
Best DNS Courses Online compared
Prices shown are the provider's listed price when we last updated this page. Confirm on their site before enrolling.
What the prices here tell you
The 25 priced courses on this page run from $19.99 to $199.99, with the middle of the range around $29.99 — a spread of $180.00. That is a wide gap for one subject. A higher price on this page usually reflects who is behind the course rather than how much material it contains, so it is worth opening two or three at different price points and comparing their syllabus before deciding.
Who is behind these courses
These courses come from Udemy. Everything on this page is sold on the one platform, so the buying experience is the same whichever you pick.
Before you enrol
Open the provider’s own page and check three things this comparison cannot tell you: when the course was last updated, what the syllabus actually covers in its later sections, and what recent learners say. Prices shown here are the provider’s listed price when we last rebuilt this page on 30 August 2026 — they change often, and a promotion can move them substantially. We earn a commission if you enrol through our links, which costs you nothing and never affects the order courses appear in.