Jika lokasi (alamat IP) web server sebuah website itu berubah namun DNS Cache komputer Anda tidaklah langsung ikut berubah. Maka Anda akan menemukan website tampak mati atau muncul kode kesalahan 404, Anda mungkin perlu menghapus DNS Cache Anda. Perubahan alamat IP biasanya karena perpindahan/migrasi web server.
Setelah Anda menghapus DNS Cache, komputer Anda akan query nameserver untuk informasi DNS terbaru milik website tersebut.
Bagaimana untuk menghapus DNS Cache komputer Anda ? Metode berikut memungkinkan Anda untuk menghapus informasi DNS lama yang tidak akurat.
Windows® 8
– Press Win+X to open the WinX Menu.
– Right-click on Command Prompt and select Run as Administrator.
– Type the following command and press Enter: ipconfig /flushdns
– If the command was successful, you will see the following message:
Windows IP configuration successfully flushed the DNS Resolver Cache.
– Right-click on Command Prompt and select Run as Administrator.
– Type the following command and press Enter: ipconfig /flushdns
– If the command was successful, you will see the following message:
Windows IP configuration successfully flushed the DNS Resolver Cache.
Windows 7
– Click the Start button.
– Enter cmd in the Start menu search field.
– Right-click on Command Prompt and select Run as Administrator.
– Type the following command and press Enter: ipconfig /flushdns
– If the command was successful, you will see the following message:
Windows IP configuration successfully flushed the DNS Resolver Cache.
– Enter cmd in the Start menu search field.
– Right-click on Command Prompt and select Run as Administrator.
– Type the following command and press Enter: ipconfig /flushdns
– If the command was successful, you will see the following message:
Windows IP configuration successfully flushed the DNS Resolver Cache.
Windows XP, 2000, or Vista®
– Click the Start button.
– On the Start menu, click Run….
If you do not see the Run command in Vista, enter run in the Search bar.
– Type the following command in the Run text box: ipconfig /flushdns
– On the Start menu, click Run….
If you do not see the Run command in Vista, enter run in the Search bar.
– Type the following command in the Run text box: ipconfig /flushdns
MacOS® 10.7 and 10.8
– Click Applications.
– Click Utilities.
– Double-click the Terminal application.
– Type the following command:
sudo killall -HUP mDNSResponder
Warning: To run this command, you will need to know the computer’s Admin account password.
– Click Utilities.
– Double-click the Terminal application.
– Type the following command:
sudo killall -HUP mDNSResponder
Warning: To run this command, you will need to know the computer’s Admin account password.
MacOS 10.5 and 10.6
– Click Applications.
– Click Utilities.
– Double-click the Terminal application.
– Type the following command: sudo dscacheutil -flushcache
– Click Utilities.
– Double-click the Terminal application.
– Type the following command: sudo dscacheutil -flushcache
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