DNS course for developers
Course description
Learn DNS once and for all. They say you should learn the fundamentals, and the rest will fall into place. DNS is right at the foundation of the internet. Having a clear understanding of DNS will help you configure and debug DNS many times throughout your career.
DNS hasn't changed that much since its introduction in 1983 and it's unlikely to start now. DNS isn't going anywhere. The earlier you learn DNS, the longer you'll benefit. The great thing about DNS is that all the information is public. You can have perfect clarity if you know where to look.
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Who is this course for?
This course is for you if you want to gain mastery over DNS.
It assumes you have a basic understanding of how the internet works, but you don't need to be an expert. This course assumes no prior networking experience and involves no programming.
If you've worked on DNS full-time for over a year, this course is probably not for you. Otherwise, you'll learn a lot! If you invest in your knowledge today, you'll benefit for the rest of your career.
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All Course Lessons (39)
| # | Lesson Title | Duration | Access |
|---|---|---|---|
| 1 | DNS is a database Demo | 03:01 | |
| 2 | The DNS is organized as a tree | 02:58 | |
| 3 | Zone delegation | 03:22 | |
| 4 | The root zone | 03:08 | |
| 5 | Authoritative DNS servers | 00:49 | |
| 6 | Zone transfer | 04:00 | |
| 7 | Top-level domains | 03:44 | |
| 8 | Second and third-level domains | 01:02 | |
| 9 | Registries, registrars & registrants | 03:07 | |
| 10 | ICANN-s oversight | 01:38 | |
| 11 | WHOIS & RDAP | 05:18 | |
| 12 | International domain names | 02:15 | |
| 13 | The domain name lifecycle | 02:58 | |
| 14 | Domain transfer | 03:16 | |
| 15 | Recursive queries | 04:23 | |
| 16 | Glue records | 02:01 | |
| 17 | DNS caching | 04:17 | |
| 18 | Negative caching | 01:11 | |
| 19 | The DNS protocol | 08:26 | |
| 20 | EDNS | 04:19 | |
| 21 | Transport protocols | 04:59 | |
| 22 | Public DNS resolvers | 03:45 | |
| 23 | DDNS | 02:11 | |
| 24 | Dynamic DNS responses | 03:19 | |
| 25 | An overview of DNS record types | 02:16 | |
| 26 | A and AAAA records | 04:04 | |
| 27 | CNAME records | 08:37 | |
| 28 | TXT records | 03:22 | |
| 29 | SRV records | 05:23 | |
| 30 | PTR records | 05:17 | |
| 31 | DNSSEC-related record types | 02:18 | |
| 32 | An overview of email configuration | 04:35 | |
| 33 | Receiving email Resources and references | 05:17 | |
| 34 | DANE Resources and references | 08:08 | |
| 35 | MTA-STS Resources and references | 06:29 | |
| 36 | SPF Resources and references | 12:14 | |
| 37 | DKIM Resources and references | 05:15 | |
| 38 | DMARC Resources and references | 09:20 | |
| 39 | BIMI Resources and references | 02:00 |
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