dns 2

A DNS name server is a server that stores the DNS records, such as address.

A DNS server is a special type of computer on the Internet used to support the Domain Name System

DNS servers are responsible for translating domain names into their original IP addresses. 

numerical label that is assigned to devices participating in a computer network that uses the Internet

a unique number that every computer connected to the internet is assigned. 

STATIC IP ADDRESS

change at any time

DYNAMIC IP ADDRESS

never changes

DOMAIN NAME SPACE:consists of a tree of domain names

tree sub-divides into zones beginning

zone consists of a collection of connected nodes

DNS ROOT SERVERS:DNS servers communicate with each other using

private network protocolsDNS servers are organized in a hierarchy

NAME SERVERS:The servers to query when looking up (resolving) a

top-level domain name.

AUTHORITATIVE NAME SERVER:that gives answers that have been configured by an

original source

server only returns answers to queries about domain names configured by the administrator

server can either be a master server or a slave server

1. Click Start, point to Settings, and then click Control Panel.

2. Double-click Add/Remove Programs.

3. Click Add and Remove Windows Components.

4. The Windows Components Wizard starts. Click Next.

5. Click Networking Services, and then click Details.

6. Click to select the Domain Name System (DNS) check box, and then click OK.

7. Click OK to start server Setup. The DNS server and tool files are copied to your computer.

8. Continue to the next step to configure the DNS server.

DNS server into believing it has received authentic information when, in reality, it has not.

Even with encryption, a DNS server could become compromised by a virus

PRESENTED TO: PRESENTED BY:MS.AMANDEEP KAUR HARJINDER MANN

SONIA MCA-5TH SEM.