What is wireless router dns?
DNS (Domain Name System), as a distributed database that maps domain names and IP addresses on the Internet, enables users to access the Internet more conveniently without having to remember IP strings that can be directly read by machines. The process of finally getting the IP address corresponding to the host name is called domain name resolution (or host name resolution). DNS protocol runs on top of UDP protocol and uses slogan 53. In the RFC document, RFC 2 18 1 has the specification of DNS, RFC 2 136 describes the dynamic update of DNS, and RFC 2308 describes the reverse cache of DNS queries.
DNS function
Each IP address can have a host name, which consists of one or more strings separated by decimal points. With the host name, you don't have to memorize the IP address of each IP device, just remember the relatively intuitive and meaningful host name. This is the function of DNS protocol.
There are two ways to map host names to IP addresses:
1) static mapping, each device is configured with the mapping from host to IP address, and each device independently maintains its own mapping table for its own use;
2) Dynamic mapping, that is, a set of domain name resolution system (DNS) is established, and the mapping from host to IP address is only configured on a special DNS server. For devices that need to communicate with host names on the network, the IP address corresponding to the host needs to be queried from the DNS server first.
The process of finally getting the IP address corresponding to the host name is called domain name resolution (or host name resolution). When resolving domain names, you can use static domain name resolution first, and if the static domain name resolution is unsuccessful, you can use dynamic domain name resolution again. Some commonly used domain names can be put into the static domain name resolution table, which can greatly improve the efficiency of domain name resolution.
Setting method of wireless router dns:
First, check the address, user name and password of the router login on the back of the router.
The next step is to log in to the router, enter the address in ie address bar, and enter the user name and password in the pop-up window.
After logging in, we can see the dns address of wan port on the right by selecting the running status.
If you need to modify the dns address, select network parameters and LAN port settings, and you can see dns settings on the right. You need to consult the operator to fill it out.
Of course, you can also check the direct dns address by starting cmd and typing ipconfig /all in it.
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