❤❤❤ What is DNS Server, DNS Query, DNS Namespace & How it's Work❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

What is DNS Server ?
DNS server is use to Resolved user friendly host name to IP address & vice versa.

What is DNS Namespace?
DNS namespace: DNS is the name service provided by the Internet for TCP/IP networks. DNS is broken up into domains, a logical organization of computers that exist in a larger network. This entire DNS domain structure is called the DNS namespace.

Root Hints: ITs fully responsible for resolve hostname on internet. Total 13 root hints available in the world.

Top Level Domain: It defines type of organization. Example : .org, .in, .mil, .edu, .gov

Second level domain: It defines Name of organization or company. example: microsoft.in, google.com, india.mil

Subdomain: It defines subdomains. example: coffee.delhi.com, delhi.india.edu, corp.microsoft.in, second.wipro.com

Forwarders: Its DNS server which is configured in our local domain, it's use to forward DNS query for specific domain.

Local DNS Server: Its responsible for resolve host name to IP address and IP address to Hostname & its configured in our local domain.