What is DNS (Domain Name System)?

Domain Name System (DNS) is what makes it possible for users to connect to websites using Internet domain names and searchable URLs rather than numerical Internet protocol addresses, but how does this all work?

In this lightboard video, Pooja Devarajan with IBM Cloud, visually breaks down what DNS is, how it works, and walks use through the DNS lookup process to show how a DNS record is returned from a DNS Server.

Chapters
0:00 - Intro
0:14 - Differences between DNS and IP Address
1:27 - DNS Resolver
2:28 - How DNS Lookup process works
6:52 - Summary

[mahendran]

Being IBMer i feel this Video has clear information and complete Basic explanation

[EhrlicherEdukator]

Do I know what DNS is? Yes. Do I watch her watch the video anyway? Yes! What a great explanation and pleasant voice!

[mahendrarana]

Very clear, great explanation and clear voice. Thank you Pooja.

[robertbartram]

Really nicely explained. Actually the best explanation I’ve seen so far. Thank you!

[lowhweemiang]

Great explanation with ingenious visuals of showing the writing of the code and the instructor's facing the audience! Brilliant. I learn so much about DNS resolution from this video! ❤

[shaylajones]

I'm currently in school and this break down and visual was awesome!! I"m a visual learner so this helped me tremendously!!! THANK YOU! Will definitely be coming back to learn more!!

[fmx]

Perfect explained and also very interesting. Thanks you again IBM for your content here on YouTube! Amazing!!!

[chezmaincolette]

Smooth flow and easy to follow thanks Pooja from IBM

[zince]

Really proud of the women in CS! Excellent explanation 🥰

[OmkarOP_]

Khup Chan hota explanation, proud to see you at IBM, love from India❤

[rangiparkr]

Such a clear and easy to understand explanation!! So proud of you Pooja❤️❤️

[crimsonking]

Thank you 👍 This video helps a lot in understanding what a DNS is easier.

[DaniIhzaFarrosi]

Thank you for the concise explanation. Really helps to visualize it. Now I can start reading some references to learn it more in detail

[surbhigupta]

amazing video..very clear explaination of DNS..easy to understand..thank you :)

[SidsVlog]

Nice, clear and concise explanation! Thank you.

[giannosgavrielides]

Very nice explanation Pooja! Thank youu!

[jazzyfreshgames]

this video was so helpful and clearly explained, thank you!!!

[slash]

Great explanation, you made it easier and very detailed!

[SambulomatictheZimbabwean]

Very good loved your explanation understood the whole DNS lookup thank yu.

[shaikabdussalaam]

Thanks Pooja . Hope we get more videos of this kind