怎么查找首选DNS服务器

查找首选DNS服务器的方法如下：

1、打开命令提示符（Windows）或终端（Mac/Linux）：

Windows：按下Win + R键，输入"cmd"，然后按下Enter键。

Mac：打开应用程序文件夹，找到"实用工具"文件夹，双击打开"终端"。

Linux：根据所使用的Linux发行版，可以在菜单中找到终端应用程序。

2、在命令提示符或终端中输入以下命令并按下Enter键：

Windows：ipconfig /all

Mac/Linux：ifconfig

3、在输出结果中查找首选DNS服务器信息，以下是一些常见的输出示例：

Windows：

“`

Ethernet adapter 以太网适配器：

Connectionspecific DNS Suffix . : example.com

Description . . . . . . . . . . . : Realtek PCIe GbE Family Controller

Physical Address. . . . . . . . . : XXXXXXXXXXXXXXXXXXXX

DHCP Enabled. . . . . . . . . . . : Yes

IPv4 Address. . . . . . . . . . . : 192.168.1.100

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . . . : 192.168.1.1

DNS Servers . . . . . . . . . . . : fe80::1%lo0, fe80::2%lo0, fe80::3%lo0, fe80::4%lo0, fe80::5%lo0, fe80::6%lo0, fe80::7%lo0, fe80::8%lo0, fe80::9%lo0, fe80::a%lo0, fe80::b%lo0, fe80::c%lo0, fe80::d%lo0, fe80::e%lo0, fe80::f%lo0, fe80::1%lo0, fe80::2%lo0, fe80::3%lo0, fe80::4%lo0, fe80::5%lo0, fe80::6%lo0, fe80::7%lo0, fe80::8%lo0, fe80::9%lo0, fe80::a%lo0, fe80::b%lo0, fe80::c%lo0, fe80::d%lo0, fe80::e%lo0, fe80::f%lo0

“`

Mac/Linux：

“`

enp2s0: flags=4163 mtu 1500

inet6 fe80::21c:29ff:fe9f:d3a6%enp2s0 permanent (Preferred)

inet6 fe80::21c:29ff:fe9f:d3a7%enp2s0 temporary (Preferred)

inet6 fe80::21c:29ff:fe9f:d3a6%enp2s0 prefaddr permanent (Preferred)

inet6 fe80::21c:29ff:fe9f:d3a7%enp2s0 prefaddr temporary (Preferred)

inet6 fe80::21c:29ff:fe9f:d3a6%enp2s0 valid_lft forever preferred_lft forever

inet6 fe80::21c:29ff:fe9f:d3a7%enp2s0 valid_lft forever preferred_lft forever

inet6 fe80::21c:29ff:fe9f:d3a6%enp2s0 preferred_lft forever

inet6 fe80::21c:29ff:fe9f:d3a7%enp2s0 preferred_lft forever

inet6 fe80::21c:29ff:fe9f:d3a6%enp2s0 active yes valid_lft forever preferred_lft forever

inet6 fe80::21c:29ff:fe9f:d3a7%enp2s0 active yes valid_lft forever preferred_lft forever

inet6 fe80::21c:29ff:fe9f:d3a6%enp2s0 source specific (Temporary) destination specific (Temporary) multicast address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group address not joined group adr

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