Dns Checker - Dns records and worldwide dns progation checker

Tools For Flushing Your Dns Cache

Most of the operating systems automatically create a cache of DNS Ip addresses for minimizing the upcoming dns requests to the same host name for more than once. Sometimes unwanted or temporary ip addresses are cached from dns and user wants to clear the dns cache for loading fresh ips from dns server, for this purpose every operating system allows the users to force clear the dns cache. For this process, following steps will help you for clearing your dns cache properly:


Windows 98/NT/2000/XP Flush DNS

The following steps will help you to clear your windows 98 dns cache.


  1. To open cmd (command prompt) -> (Go to Start > Then Run > cmd.exe > OK).
  2. Type in the command ipconfig /flushdns


Windows Vista / Windows 7 Flush DNS

Flush Dns on windows 7 is not different than flushing dns on windows 98, the process is almost same but due to the upgraded security requirements in windows 8 and windows vista, you need to run command prompt giving it administrative privilages:


  1. Follow this process for flushing dns of windows vista/7 (Start > All Programs > Accessories > Command Prompt)
  2. To have administrator privileges you must do right click on the command prompt application and choose "Run as Administrator"
  3. Type in the command ipconfig /flushdns


short-cut

type in cmd into the Windows Vista / Windows 7 start menu search field and then right click on the cmd.exe result instead of navigating through the various sub menus.



How to flush Dns of Mac OSX?

Flusing Mac OSX's dns is not a difficult task but it depends on the version of mac osx you are currently using and taking steps on.

Mountain Lion or Lion


If you are using Mac OS X 10.7 or 10.8, as your operating system you need to do the following:

  1. Access the command terminal.
  2. Run the following command sudo killall -HUP mDNSResponder

Snow Leopard

If you are using Mac OS X 10.6, as your operating system ,you need to do the following:

  1. Open up a command terminal.
  2. Run the command dscacheutil -flushcache

Leopard and below

If you are using Mac OS X 10.5.1 or below as your operating system , you need to do the following:

  1. Open a command terminal.
  2. Run the command lookupd -flushcache

Linux Flush DNS

If you are running the nscd Name Service Cache Daemon then you will need to do the following.

  1. Open up a command terminal (either as root or run step 2 with sudo )
  2. Run the command /etc/init.d/nscd restart