How do I debug my DNS/network issues?

Try these methods to debug any network or DNS issues you have.

Windows

If you on windows the following command will flush the dns cache and hopefully get the correct address.

1. Click – Start
2. Click – Run
3. Type – cmd (command on some systems)
4. Click – OK
5. Type – ipconfig /flushdns
6. Restart your system (if possible) and try visiting the site again.

Apple Mac

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

If you are running Mac OS X 10.5.1 or below, you need to do the following.

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

Linux

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”