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What is the dns of Jinhua Telecom?
DNS (Domain Name System) is a distributed database on the World Wide Web, which maps domain names and IP addresses, so that users can access the Internet more conveniently without having to remember IP strings that can be directly read by machines. The process of obtaining the IP address corresponding to the domain name through the domain name is called domain name resolution (or hostname resolution).
DNS protocol runs on top of UDP protocol, using port number 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.
China Telecom Group Co., Ltd. is a super-large state-owned communication enterprise in China and a global partner of Shanghai World Expo. It has been selected as one of the "Top 500 Enterprises in the World" for many years, mainly engaged in comprehensive information services such as fixed telephone, mobile communication, satellite communication, Internet access and application.
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