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(SSH Premium 18 Juli 2016 from data center hosting Singapore and Indonesia). (SSH Proxies 19 July 2016 Qatar and Libya). SSH Password 18 - 19 JULI 2016 from hosted Malaysia and Vietnam. What is a DNS (Domain Name System) and how it works? Most of us are quite familiar with DNS. DNS is the length of the Domain Name Server. DNS in the internet describing an identity the name of a server. The identity of the original numbers internet protocol (IP) address, operating around the world. It makes it easy to recall someone to remember the name of a server. For example: Google.com, gmail.com, Facebook.com and others

DNS server temporarily saves the query request in the form of a Cache, so that it can reduce response time if you asked for the same address. In the DNS cache, there is the TTL (Time To Live), which is set by the administrator for each record query and stored in the cache. The application of the first and DNS is nslookup, where will the DNS server will reply with the IP address of the domain name requested in the query. DNS is used by a variety of Mail Transfer Agents (MTA) such as Microsoft Exchange Server and IBM Domino, so that they can provide more efficient e-mail.

The presence of a DNS Server in the network computer facilitates the client computer to communicate with another computer (server), because each IP can be made of a certain name. Before there was a DNS Server naming is done by the respective client HOSTS file using . The search process domain on a DNS server includes two processes namely in iterative and recursive servers on the client on communication between DNS servers. DNS servers in its implementation requires a client program that can connect any computer with DNS servers. The programm is known by the name resolver. This resolver is used by application programs installed on the computer's user, such as web browsers and mail clients. The following is an overview of the process undertaken to obtain the host address of the domain name microsoft.com.

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