Rahul Khadse
--> DNS stands for domain name system or server, It works on the 53 no port . It is used to provide name resolution in the network.
(FQDN :- Fully Qualified Domain Name E.G - rahulshampe.com)
-->Their are 13 root server in the world that is responsible to provide name resolution.
* Dns stores host record of the client computer & resolve them name to IP address of the host computer.
| DNS | NET BIOS |
| 1> It is 255 bytes long 2> It has special character sign like com , - etc | 1> 15 character long 2>Resolve net bios over TCP/IP in previous wins server |
--> Installation Requirements + Installation.
- You must have a valid domain name FQDN e.g. rahul.com.
- Administrator Rights.
- Server operating systems 2000,2003,2008.
- Knowledge of TCP/IP.
- Public or Private ip
- Login as a admin & configure TCP/IP with DNS IP. E.g - 10.0.0.10 ->IP , 255.0.0.0 -> Subnet Mass , 10.0.0.10 -> DNS IP.
- Open server manager /roles/add roles/next/install/close etc.
* How to access DNS console ?
We can open or access DNS console from the
We can open or access DNS console from the
- Administrative tools
- Server manager
- By using RUN command (dnsmgmt.msc)
Difference between Forward Lookup Zone & Reverse Lookup
Forward Look up --> We have to configure forward look up to create the DNS Zone & Zone is responsible to contain host record & provide name resolution mass resolution mass resolve name to IP address of the host computer.
Reverse Look up --> This look up is resolve ip to name & is used for troubleshooting purpose with exchange server.
(In simple words we can say that DNS is a database , which contain host record of the client to machine & resolve them name to ip.)
--> Secondary and primary DNS server is made to manage the user's data and balancing all database of the user . If accidentialy primary DNS server crash the secondary DNS manage all data.
Reverse Look up --> This look up is resolve ip to name & is used for troubleshooting purpose with exchange server.
(In simple words we can say that DNS is a database , which contain host record of the client to machine & resolve them name to ip.)
--> Secondary and primary DNS server is made to manage the user's data and balancing all database of the user . If accidentialy primary DNS server crash the secondary DNS manage all data.
Posted in: MCITP
