How to Setting DNS on Android and iOS Using Public DNS | COTEKNO.COM

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COTEKNO.COM – how to change or use public DNS on Android and iOS (iPhone, iPad and iPod) will be easier to do when using third-party applications. However, on Android and iOS devices themselves, DNS settings are available in a separate menu.

The recommended DNS (Domain Name System) is Google’s public DNS and CloudFlare. For Google DNS itself you can connect on and and for DNS from CloudFlare how much on and Apart from those two, you can also use other free public DNS which will be discussed at the end of this article.

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If you are still confused about what open DNS is and what are the benefits of using public DNS so you need to implement it on your Android smartphone or iPhone? Here’s a brief explanation.

What is DNS, Public DNS and its Benefits?

Read first: How to Use a VPN on Android

DNS stands for Domain Name System, which is the most important part of the internet. With DNS, the domain (example: COTEKNO.COM) connected to a certain IP address is readable.

Thus, you no longer need to write down or memorize the IP address of a particular site or domain, just the domain name. The rest, let DNS do the translation for the IP address against the domain.

Meanwhile, Public DNS is a free DNS service that is used to replace the default DNS on the device from each ISP (Internet Service Protocol).

The benefit of using or changing DNS on Android smartphones and iPhones is none other than to increase internet speed, especially when browsing. This will also make your internet activities safer.

Among the popular and widely recommended public DNS are Google Public DNS and Cloudflare Public DNS. Here’s how to use it for Android and iOS smartphone users.

Also read: 5 Best Free VPN Apps on Android to Open Blocked Sites

How to Set DNS on Android Using Google and Cloudflare Public DNS

How to change DNS on Android below can be applied to all Android phones. Starting from how to set DNS on Xiaomi, Redmi, Oppo, Vivo, Realme, Huawei, Samsung Galaxy, Asus Zenfone, Pocophone cellphones and so on.

For a tutorial on how to change DNS on Android, this time it is practiced on Vivo cellphones with Android 11 OS.


  • The first step, please enter the menu Settings or Settings

  • Next, please go to the options menu Network and Internet
  • Or Network & Internet.

Also see: 5 Applications To Find Out Internet Data Usage on Android and iOS

Choose Private DNS

  • Then choose an option Private DNS
  • Or Private DNS

Select the Private DNS provider Hostname option

  • Then choose an option Private DNS provider hostname
  • Or Private DNS provider hostname

Enter one of the custom DNS (Google or Cloudflare)

  • Then please select and enter one of the following custom DNS:
How to Set DNS on Android Using Public DNS from Google or CloudFlare

You can also enter in the following format:

Now your Android phone is using custom DNS with one of the best and recommended public DNS at this time.

That way, your internet connection becomes a little more secure than before because it has been protected. In addition, you will feel the sensation of surfing the internet a little faster than usual. Either when browsing, or opening other applications, such as Instagram, TikTok, YouTube and opening the COTEKNO.COM website.

Read more: 2 Ways to Unlock Blocked Subscenes Without a VPN

How to Change and Use Public DNS on iOS (iPhone, iPad and iPod)

For how to change and use public DNS on iOS, be it iPhone, iPad and iPod users, here are the steps:

  • Open the menu Settings
  • Then Wi-Fi
  • Click button WiFi network information (i icon) connected to your iPhone phoneHow to Use DNS on iPhone
  • Choose an option Configure DNS
  • select Manual
  • If there is a list of IPs in the list DNS Servers, please delete everything firstHow to Use DNS on iPhone
  • Then add a new IP or DNS server with the click of a button Add Server
  • Add Google Public DNS or CloudFlare Public DNS IPs, namely:

How to Change DNS on iOS (iPhone, iPad, and iPod)
  • Then click the . button Save in the top right corner
  • Done.

In addition to adding the IP of the DNS servers, you can also add a special domain to use private DNS on the iPhone, by selecting the Add Search Domain option. Then select one of the following public DNS domains:

  1. Google (recommendation):
  2. Cloudflare (recommendation):
  3. PureDNS (bonus):

Well, now your iPhone is using public or custom DNS DNS servers. Your internet connection should be safer and faster than before.

How to Use Public DNS Through Applications

If you have trouble setting up custom DNS on your smartphone, or on the mobile device you are using there is no setting for custom DNS settings, then you should use an application.

For Android users you can install and use the Intra application. Meanwhile, for iOS or iPhone users, please set custom DNS with the DNS Changer application.

Then select and use one of the following public DNS on custom DNS on your smartphone.

See also: Cannot Access Subscene, Here’s How to Open an Error Subscene

List of Public DNS Alternatives

Here, COTEKNO summarizes various public DNS that you can use. There are 2 types of public DNS, namely using DNS servers in the form of IP and domain.

CloudFlare DNS(recommended)

Google DNS (recommended)
IPv6 DNS Google: 2001:4860:4860::8888 dan 2001:4860:4860::8844

Adguard DNS (Adblocking Supported)

Uncensored DNS


Also read: How to Hide Browser History from Operator Monitoring on Android Phones

Quad9 DNS

Tiar DNS (Adblocking DNS Supported)



Comodo Secure DNS


Next up: How to Enable WiFi and Cellular Data Simultaneously

The final word

If you pay attention, some of the public DNS above provide facilities or features in the form of ‘adblocking supported’ which allows blocking ads when opening certain websites or applications.

Well, from the list of alternative public DNS above, you can change DNS settings on your Android and iOS smartphone or iPhone freely and of course for free.

Here is the related information How to set dns on Android and iOS with free public DNS, starting from Google public DNS and CloudFlare Public DNS.


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