Ddurl.to.io stands for input/output, which means input and output of knowledge. This makes the IO domain name more famous in the cultural and educational circles, and some training courses websites and knowledge websites like to use it. Io domain name. The most famous are simplified books (used for website jumping) and cloud map learning platforms.
Domain Name Server
Divide into different groups to be responsible for the name of each subsystem. Each layer in the system is called a domain, and each domain is separated by a dot. The so-called Domain Name Server (DNS) is actually a host with a domain name system. This is a hierarchical database that can perform name resolution.
Ddurl.toDNS can allow a name server to "delegate" a part of its name service (called a zone) to a child server, thus realizing a hierarchical namespace. In addition, DNS provides some additional information, such as system alias, contact information and which host acts as the mail center of the system group or domain.