Hello techies today we are going to discuss about Domain Name Server or DNS for web servers and how the all these activity works in detailed.
Before go further here we understand what is the need of DNS in internet world and some history of DNS. As in earlier days of internet often times initialization and maintenance of an organization’s DNS infrastructure falls to the people responsible for the setting up and patching webservers, or configuring and managing the network devices. That’s why to maintaining the DNS by each organization own is big problematic and to making every patching and configuration correct every time when visitor or user want to access the web system application. Although the main needs of DNS to maintaining the records for sending user to correct IP address of domain web servers.

Sometime you thinking that what option should i choose when setup mail client (Microsoft Outlook & Mozilla Thunderbird etc.) for email address. so we are here to clear the doubt about these options.
SMTP, IMAP & POP3 are the 3 transmission protocols that are the part TCP (Transmission Control Protocol). TCP is connection oriented protocol that is by it works on reliable transmission and data stream services. In simple words TCP responsible to send and receive data if connection b/w two hosts or servers or machines is reliable. TCP provides reliable, ordered, and error-checked delivery of a data stream between applications running on hosts communicating by an IP network (IP Address). Major Internet applications such as the World Wide Web, email, remote clients, and file transfer rely on TCP.