DNS Server: Viettel Group - Hà Nội

This page contains detailed information about the DNS servers provided by Viettel Group - Hà Nội. On this page, you can find the IP address list associated with this DNS server, as well as various knowledge-related queries. This is particularly useful for understanding and configuring network connections, as well as performing domain name resolution operations.

Content:

1. What is the Viettel Group - Hà Nội DNS addresses?

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2. Where is the location of Viettel Group - Hà Nội DNS server?

DNS servers are generally placed in the city where the DNS provider is located or in the main city of a province/state. If the DNS provider has multiple DNS addresses and operates in multiple locations, the DNS servers may also be distributed in multiple locations. Here's where Viettel Group - Hà Nội's servers are placed:

115.74.213.139 Ha Noi - Hanoi
115.75.177.224 Dong Nai - Bien Hoa
115.75.35.12 Ha Noi - Hanoi
115.77.191.25 Ho Chi Minh - Ho Chi Minh City
115.78.132.51 Ho Chi Minh - Ho Chi Minh City
115.79.198.18 Ho Chi Minh - Ho Chi Minh City
115.79.42.39 Ho Chi Minh - Ho Chi Minh City
117.2.28.235 Ninh Thuan - Phan Rang-Thap Cham
171.233.151.214 Binh Duong - Thu Dau Mot
171.236.158.185 Hai Phong - Haiphong
203.113.132.171 Ha Noi - Hanoi
203.113.164.162 Da Nang - Da Nang
203.113.172.62 Ha Noi - Hanoi
27.72.73.143 Hai Phong - Haiphong

In addition to the servers of Internet service providers and domain name registries, there are 13 root name servers all over the world. Among them, one is the main root name server operated by Network Solutions in the United States. The other 12 are secondary root name servers, of which 9 are in the US, 2 are in Europe (placed in the UK and Sweden), and 1 is in Asia (placed in Japan).

More articles:

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3. How to check if my device is using Viettel Group - Hà Nội DNS?

DNS server can help convert domain names into IP addresses that can be easily recognized by computer network so that people's network devices can communicate correctly. The DNS server addresses vary from region to region. If i currently use Viettel Group - Hà Nội network, it is better to use Viettel Group - Hà Nội DNS synchrononly. So how to check if my device is using Viettel Group - Hà Nội DNS? Here offer different methods from different platforms. If the DNS address viewed is in our list, it means I'm currently using Viettel Group - Hà Nội DNS; if not, it means I'm not using Viettel Group - Hà Nội DNS.

On computer

Windows system

Method 1: Go to the Network and Sharing Center to view the DNS address
  • Open the Control Panel and find "Network and Sharing Center".
  • Click "View Network Status and Tasks" under "Network and Sharing Center" to view the currently connected network.
  • Click the connected network, and click "Details" in the pop-up interface to view the detailed information of the current network.
  • In the details panel, you can view your computer's DNS.
View DNS addresses from Network and Sharing Center Method 2: Use the command to view the DNS address
  • Click the Windows+R key combination to pop up the window to run command .
  • Enter the "cmd" in the command window, and click "OK".
  • In the open "cmd" command window, enter the "ipconfig /all" and press Enter.
  • In the returned information, you can find your computer's DNS is displayed on the right of DNS server option.
Use command to view DNS address

On mobile phone

iPhone

  • Connect your phone to WIFI and open the settings.
  • In the settings interface, select WLAN and check the list of connectable networks.
  • Click the connected WIFI to view your current network details.
  • Find the DNS option and click "Configure DNS" to view your DNS server address.
iPhone configuration DNS address Android
  • Connect your phone to WIFI and open the settings.
  • In the settings interface, select WLAN and check the list of connectable networks.
  • Click the connected WIFI to view your current network details.
  • Click IP settings and select "static" to view your current DNS server address.
Android phone to check DNS address

The DNS address in the above case is 192.168.100.1, which is using the router's gateway by default. Here's how to check your router's DNS address.

On router
  • Enter the router's login IP address in the browser address bar, such as 192.168.100.1 (the login IP of different brands of routers may be different), and then enter the user name and password to log in.
  • After logging in to the router management interface, click the "Internet".
  • In the Internet interface, you can check the DNS address of your router. If there is no specified DNS address and you choose to obtain it dynamically from the ISP, then you need to find the upper-level ISP to know your DNS address.
Check the DNS address on the router

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4. How to change my DNS server address to Viettel Group - Hà Nội DNS?

Many people have encountered network lag or inability to access the Internet. There are many reasons for this situation, one of which may be caused by incorrect DNS settings. Therefore, it is recommended to use local operator's DNS. For example, if you use Viettel Group - Hà Nội Internet but set DNS to Guangzhou Mobile, it will cause operators to visit across regions, which may result in many adverse consequences, such as unable to open web pages, slow upload and download speed, network video jam, etc. Changing DNS is a good way to solve the bad situation. The following is the modification methods.

On computer

Windows system
  • Open the Control Panel and find "Network and Sharing Center".
  • Click "View Network Status and Tasks" under "Network and Sharing Center" to view the currently connected networks.
  • Click the network you are connected to and check the status of the current network.
  • Click "Properties" to go to the WLAN Properties window.
  • Click "Internet Protocol Version 4 (TCP/IPv4)", and then click "Properties" to configure it.
  • Find the DNS server option and change the preferred and alternate DNS address to Viettel Group - Hà Nội's DNS address, and click "OK" to make the settings take effect.
Windows view and modify DNS address

On mobile phone

iPhone

  • Connect your phone to WIFI and open the settings.
  • In the settings interface, select WLAN and check the list of connectable networks.
  • Click the connected WIFI to view your current network details.
  • Find the DNS option and click "Configure DNS" to view your DNS server address.
  • Click "Manual" to change the current DNS address to Viettel Group - Hà Nội DNS, and then click "Save" to make the settings take effect.
Change DNS address on iPhone Android
  • Connect your phone to WIFI and open the settings.
  • In the settings interface, select WLAN and check the list of connectable networks.
  • Click the connected WIFI to view your current network details.
  • Click IP settings and select "static" to view your current DNS server address. You can change it to Viettel Group - Hà Nội DNS, and click the "√" to save settings.
Android phone to modify DNS address

On router

  • Enter the router's login IP address in the browser address bar, such as 192.168.100.1 (the login IP of different brands of routers may be different), and then enter the user name and password to log in.
  • After logging in to the router management interface, click the "Internet".
  • In the Internet interface, click "Use the following DNS server", then fill in the DNS address of Viettel Group - Hà Nội you want to use, and finally click "Apply" to make the settings take effect.
Modify the DNS address on the router side

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5. Does Viettel Group - Hà Nội provide IPv6 public DNS addresses?

Viettel Group - Hà Nội doesn't provide IPv6 public DNS addresses yet. Currently, only a few DNS providers worldwide support IPv6 public DNS addresses. This site lists some of the IPv6 public DNS addresses collected for your reference.

China

Baidu

2400:da00::6666

Alibaba

Preferred DNS: 2400:3200::1 Alternate DNS: 2400:3200:baba::1

BII

Preferred DNS: 240C::6666 Alternate DNS: 240C::6644

The United States

Google

Preferred DNS: 2001:4860:4860::8888 Alternate DNS: 2001:4860:4860::8844

CloudFlare

Preferred DNS: 2606:4700:4700::1111 Alternate DNS: 2606:4700:4700::1001

Quad9

Preferred DNS: 2620:fe::fe Alternate DNS: 2620:fe::9

OpenDNS

Preferred DNS: 2620:0:ccc::2 Alternate DNS: 2620:0:ccd::2

Hurricane Electric

Preferred DNS: 2001:470:20::2 Alternate DNS: 2001:470:0:9d::2

Verisign

Preferred DNS: 2620:74:1b::1:1 Alternate DNS: 2620:74:1c::2:2

Neustar Recursive

Preferred DNS: 2610:a1:1018::1 Alternate DNS: 2610:a1:1019::1

Russia

Yandex

Preferred DNS: 2a02:6b8::feed:0ff Alternate DNS: 2a02:6b8:0:1::feed:0ff

Germany

DNS.WATCH

Preferred DNS: 2001:1608:10:25::1c04:b12f Alternate DNS: 2001:1608:10:25::9249:d69b

Switzerland

xiala.net

Preferred DNS: 2001:1620:2078:136:: Alternate DNS: 2001:1620:2078:137::

Denmark

UncensoredDNS

Preferred DNS: 2001:67c:28a4:: Alternate DNS: 2a01:3a0:53:53::

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6. Does Viettel Group - Hà Nội server support DNSSEC?

After testing, Viettel Group - Hà Nội DNS server does not support DNSSEC.

DNSSEC stands for Domain Name System Security Extensions. If DNSSEC is enabled, attacks such as DNS spoofing (also known as domain name hijacking) and cache pollution can be effectively prevented. It ensures the authenticity and integrity of DNS response messages through digital signatures based on public key cryptography, and can protect users from being redirected to unexpected addresses, thereby improving your trust in the Internet and protecting your core business.

More articles:What is DNS hijacking?

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7. Under what circumstances do I need to set my DNS server address to Viettel Group - Hà Nội DNS server address?

If your network is Viettel Group - Hà Nội, it is better to use Viettel Group - Hà Nội DNS server address. Because the distance between our devices and ISP's network is the shortest, setting devices' DNS server address to local ISP's DNS address can maximize the exchange speed between our devices and the network and reduce the waiting time. In fact, most home networks' DNS uses the ISP's DNS server addresses by default.

However, if you use Viettel Group - Hà Nội's network but not Viettel Group - Hà Nội's DNS, or do not use Viettel Group - Hà Nội's network but use Viettel Group - Hà Nội's DNS, don't worry, you can surf the Internet normally, but i'm afraid your network speed will be affected in a certain extent and the domain name resolution time will be slightly longer.

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8. If the DNS server address is changed to Viettel Group - Hà Nội DNS, how long does it take for the resolution record to take effect?

If you change your devices' DNS address to Viettel Group - Hà Nội DNS, your device will start to use the DNS of Viettel Group - Hà Nội as soon as it finished modification.

If you modify the DNS record of the domain name, the final effective time of the DNS resolution record depends on the cache refresh time of the DNS server of the local operator.

Because after the modification of DNS, it is necessary to wait for the TTL cache of the domain name DNS server in the local DNS to expire, and the local DNS will reinitiate the recursive query, and then the records of global serve can be synchronized to the latest domain name DNS server. However, the refresh time of DNS in different places varies and takes a long time, it generally takes 24~48 hours for the resolution to take effect globally (.com needs 48 hours and .cn needs 24 hours). Therefore, if the domain name resolution record is modified, it generally takes 24~48 hours for the resolution record of Viettel Group - Hà Nội to take effect. It may take effect in a few minutes if quickly, and more than 72 hours if slowly.

More articles:What are the types of DNS record?

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  • Name: Viettel Group - Hà Nội
    Country / Region: VN: Viet Nam 🇻🇳
    Region Name: Hà Nội
    City Name: Thu Duc
    Provider: Viettel Group
    DNSSEC: 0
    Software:
    Website:
    Description:
    Notes:
    Created Time: 2022-06-23 18:27:17
    Modified Time: 2022-08-18 16:36:14

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