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Internet Explorer DNS Browser Cache

I was hoping someone would be able to help me with a specific IE problem, since I cannot reproduce it using VMWare.

I recently changed the IP address of the host that I host. In the short time that I was updating DNS records, the client was browsing the website using Internet Explorer. The server responded with its standard “site misconfiguration problem,” perhaps because the IP has changed. "(Which is a short version)

DNS has been updated, the site displays correctly again, but the client still sees the error message.

What I've done:

  • I asked them to press F5
  • Clear browser cache
  • Ipconfig / flushdns
  • I asked them to ping the domain, and it responds with the new IP address.
  • Access to the site via IP - can see the new site.
  • Click on the menu item and they can go to any page, but when they go to the main page, the error page will appear again.

Now I'm at a loss.

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2 answers

Hope this information helps other people.

I can’t explain why this works, but it happened.

IE9 has an inPrivate Browsing option. I just rotated this by looking at the webpage and I could see the homepage. Close your private browser and browse the site as usual.

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Internet explorer has another internal DNS cache that stores DNS records for 30 minutes.

After clearing the computer’s DNS, you can close the browser until the Internet Explorer internal cache is reset or wait 30 minutes.

More details: https://support.microsoft.com/en-us/help/263558/how-internet-explorer-uses-the-cache-for-dns-host-entries

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