Clear the DNS cache for Windows systems

When a computer accesses a domain name, not every visit needs to ask for help from the DNS server, in general, when the resolution is completed once, the parsing entry is saved in
DNS Cache List of the computer, if the DNS resolution changes at this time, because the DNS cache list information has not changed, when the computer access to the domain name is still not
Will connect to the DNS server to obtain the most recent parsing information, based on the cache corresponding to the saved on their own computer to resolve, so there will be a DNS resolution failure.

So how to solve this problem in this machine? There are generally three ways to do this:

1. Command line Refresh DNS
Start-to-run, input cmd, enter command Ipconfig/flushdns

2, restart Dnsclient, dhcpclient service

Start-to-run
Type "Services.msc" and enter.
Locate the DNS Client service, double-click, on the General tab, tap Stop, and then tap Start.
Do the same for "DHCP Client"
Tap apps, then tap Start.

3. Repair the network connection
Right click on the network connection to the right of the taskbar and click Repair.

Clear the DNS cache for Windows systems