How to modify DNS? Detailed steps and precautions for modifying DNS

in daily network use, many people will encounter problems such as slow loading of webpages, inaccessibility of some websites, and poor network stability. Modifying DNS is often one of the effective solutions to solve such problems. As a domain name system, DNS is responsible for converting the URLs we enter into Internet Protocol Addresses that the server can recognize. A suitable DNS server can greatly improve network access efficiency. This article will introduce the whole process of modifying DNS in detail, covering the operation steps of different devices, pre-preparation and key matters to pay attention to, to help you easily complete the settings and optimize the network experience.

What should be done before modifying the DNS?

before you start modifying the DNS, be well prepared to avoid operational errors, ensure that the settings are completed smoothly, and also make the modified effect more in line with expectations.

1 Choose the right DNS server address

there are many public DNS servers on the market to choose from, such as Alibaba Cloud DNS and Tencent Cloud DNS in China, Google DNS and OpenDNS in foreign countries. Different DNS servers have different focuses. Alibaba Cloud DNS and Tencent Cloud DNS have better stability and speed in the domestic network environment, suitable for daily total page browsing and video viewing; Google DNS has more advantages when visiting overseas websites. You can test the latency of different DNS through online speed measurement tools according to your own network needs, and choose the server address with the lowest latency.

2 Record the current DNS settings

before modifying DNS, be sure to record the current DNS server address. If the network cannot be connected or access is abnormal after modification, you can quickly restore to the original settings to avoid long-term network disconnection affecting normal use. When recording, you can directly view and copy it on the network settings interface, or enter relevant commands through the command prompt to query and save the results.

How to modify DNS in Windows?

Windows is currently the most widely used desktop operating system, and mastering the method of modifying DNS under Windows can help most users solve network-related problems.

1, open the network connection settings interface

first right-click the network icon in the lower right corner of the action sheet, select "Open Network and Internet Settings", find "Change Adapter Options" in the pop-up interface and click to enter the network connection list page, which will display all networks connected by the current device, such as Ethernet, WLAN, etc.

2, enter the DNS settings interface and modify

find the network connection currently in use, right-click and select "Properties", find "Internet Protocol version 4 (TCP/IPv4) " in the pop-up properties window, double-click the option to enter the settings page. Select "Use the following DNS server address", enter the pre-selected address in the preferred DNS server and alternate DNS server column, and click "OK" to save the settings after entering. At this point, the operation of modifying DNS under the Windows system is completed.

How to modify DNS on Mac?

Mac the operating logic of the system is different from Windows, and the steps to modify DNS are also different. The following will explain the specific operation process in detail.

1, open the system network settings panel

click the Apple icon in the upper left corner of the screen, select "System Settings", find the "Network" option in the settings list and click to enter the network settings panel. The network type connected to the current device will be displayed here, such as Wi-Fi or Ethernet. Click the corresponding network connection to enter the details settings page.

2 Complete DNS server address modification

on the network details page, click the "Details" button and select the "DNS" tab in the pop-up window. Click the "+" number to add a new DNS server address, enter the address selected in advance, and delete the original DNS address through the "-" number. After the addition is completed, click "OK", then go back to the network settings page and click "Apply", and the operation of modifying DNS under the Mac system is complete.

4. How to modify DNS on the mobile terminal?

in addition to the computer side, the mobile phone as a daily use of high frequency of Internet devices, modify DNS can also optimize its network access experience, the following describes the modification method of Android and iOS mobile phones.

1, Android phone to modify the DNS steps

Android phones due to different brands, the operation path is slightly different, the general process is: open the phone settings, find the "Wi-Fi" option, long press the currently connected Wi-Fi name, select "Modify Network", tick "Show Advanced Options", select "Static" in the IP settings, and then enter the selected DNS server address in the DNS1 and DNS2 columns. After the input is completed, click "Save" to complete the operation of modifying DNS.

2, iOS mobile phone to modify the DNS steps

iOS the operation of the mobile phone is relatively unified, open the "Settings" application, click "Wi-Fi", find the currently connected Wi-Fi, and click the "i" icon on the right to enter the network details page. Find the "Configure DNS" option on the page, select "Manual", click "Add Server" to enter the DNS address, or you can delete the original address. After the setting is completed, click "Storage" to complete the operation of modifying DNS iOS the mobile phone.

5. What are the precautions for modifying DNS?

modify DNS seems simple, but if you ignore some details, it may lead to network problems, and even bring security risks, so these precautions must be kept in mind.

1 Avoid using unknown DNS addresses

many informal DNS servers may have security risks, such as hijacking web pages, pushing malicious advertisements, and even stealing users' network access data. So when choosing a DNS address, be sure to choose an officially certified public DNS server, and do not use unknown addresses at will to ensure the safety of network use.

2, whether the modified test network is normal

complete the operation of modifying DNS, be sure to test whether the network is normal. You can open commonly used web pages and video platforms to see if the loading speed is improved and whether you can normally access websites that cannot be opened before; you can also test the delay and packet loss rate of the DNS server through the ping command to ensure that the modified DNS can run stably. If there is a network abnormality, restore to the original DNS settings in time.

To sum up, modifying DNS is a practical method to optimize the network experience, from selecting the appropriate DNS address in the early stage, recording the original settings, to the specific operation of the computer and mobile terminal, and then to the modified test and risk avoidance, each link is very important. You can complete the operation of modifying DNS according to the corresponding steps according to the equipment you use, and keep in mind the relevant precautions, which can effectively solve the problems of network cards and limited access, and improve the fluency and stability of daily network use.