Dns 2

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Dns 2

  1. 2. <ul><li>A DNS name server is a server that stores the DNS records, such as address. </li></ul><ul><li>A  DNS server  is a special type of computer on the Internet used to support the Domain Name System </li></ul><ul><li>DNS servers  are responsible for translating domain names into their original IP addresses .  </li></ul>
  2. 3. <ul><li>numerical label that is assigned to devices participating in a computer network that uses the Internet </li></ul><ul><li>a unique number that every computer connected to the internet is assigned.  </li></ul>
  3. 4. <ul><li>STATIC IP ADDRESS </li></ul><ul><ul><ul><li>change at any time </li></ul></ul></ul><ul><li>DYNAMIC IP ADDRESS </li></ul><ul><ul><ul><li>never changes </li></ul></ul></ul>
  4. 5. <ul><li>DOMAIN NAME SPACE: </li></ul><ul><ul><ul><li>consists of a tree of domain names </li></ul></ul></ul><ul><ul><ul><li>tree sub-divides into zones beginning </li></ul></ul></ul><ul><ul><ul><li>zone consists of a collection of connected nodes </li></ul></ul></ul>
  5. 6. <ul><li>DNS ROOT SERVERS: </li></ul><ul><ul><ul><li>DNS servers communicate with each other using private network protocols </li></ul></ul></ul><ul><ul><ul><li>DNS servers are organized in a hierarchy </li></ul></ul></ul><ul><li>NAME SERVERS: </li></ul><ul><ul><ul><ul><li>The servers to query when looking up (resolving) a top-level domain name. </li></ul></ul></ul></ul>
  6. 7. <ul><li>AUTHORITATIVE NAME SERVER: </li></ul><ul><ul><ul><li>that gives answers that have been configured by an original source </li></ul></ul></ul><ul><ul><ul><li>server only returns answers to queries about domain names configured by the administrator </li></ul></ul></ul><ul><ul><ul><li>server can either be a master server or a slave server </li></ul></ul></ul>
  7. 8. <ul><li>Click Start, point to Settings, and then click Control Panel. </li></ul><ul><li>Double-click Add/Remove Programs. </li></ul><ul><li>Click Add and Remove Windows Components. </li></ul><ul><li>The Windows Components Wizard starts. Click Next. </li></ul><ul><li>Click Networking Services, and then click Details. </li></ul><ul><li>Click to select the Domain Name System (DNS) check box, and then click OK. </li></ul><ul><li>Click OK to start server Setup. The DNS server and tool files are copied to your computer. </li></ul><ul><li>Continue to the next step to configure the DNS server. </li></ul>
  8. 22. <ul><li>DNS server into believing it has received authentic information when, in reality, it has not. </li></ul><ul><li>Even with encryption, a DNS server could become compromised by a virus </li></ul>
  9. 25. PRESENTED TO: PRESENTED BY: MS.AMANDEEP KAUR HARJINDER MANN SONIA MCA-5 TH SEM.

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