This document explains the Domain Name System (DNS) and introduces Google Cloud DNS, a service that allows users to manage DNS records within their Google Cloud projects. It covers the purpose of various DNS record types and outlines the benefits of using Google Cloud DNS, including reduced latency and comprehensive management options. Additionally, it provides resources for setting up Google Cloud DNS, including a screencast link.

1. Google Cloud DNS

2. Contents
1. What is DNS?
2. Google Cloud DNS
3. Example how to setup Google Cloud DNS

3. Who am I?
Zdenko Hrcek, software consultant
(Developing on Google Cloud Platform since 2012)
+ZdenkoHrcek
@zdenulo
zdenulo@gmail.com
http://www.the-swamp.info

4. First what is DNS ?
DNS - Domain Name System
Wikipedia:
“is a hierarchical decentralized naming system for computers,
services, or any resource connected to the Internet or a private
network” https://en.wikipedia.org/wiki/Domain_Name_System
Plain English:
When I type url of some website in browser, computer knows
to which IP address of the server it needs to connect in order
to obtain data for the website.
It’s like a phonebook

5. DNS records
When we have domain, we can manage it through DNS
records.
DNS records have different purposes, some types of DNS
records are:
● A - IPv4 address, maps IP of host with domain
● CNAME - alias for one name to another
(www.example.com, points to example.com)
● MX - manages where emails should be delivered
● TXT - whatever text, Google use it verify that you are
domain owner for example
Plus many more.
Domain registrars offer possibility to manage DNS records for
domain

6. What is Google Cloud DNS ?
When you have project on Google Cloud Platform, you can
also manage DNS records inside of project.
Nothing more or less.

7. Why ?
(you can live without Google Cloud DNS)
● You have everything in one place for your project
● Or you have multiple domains tied to one of your projects
● It’s managed by Google, i.e. fast, reliable, secure
● It’s in the same network as your servers (either Google
App Engine or Google Compute Engine), so requests have
smaller latency
● Uses Anycast network addressing (requests are rooted to
nearest location)
● Possibility to manage DNS records through:
○ Google Console
○ REST API
○ gcloud (command line interface)
● Least but not the least... price :) - 0.2$/month for one
zone + queries

8. Setting up GC DNS
You can watch screencast at this URL:
https://www.youtube.com/watch?v=pG8nkUq25hA
Or read at this link:
http://www.the-swamp.info/google-cloud-dns-setup/
If you have any questions feel free to contact me