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Then enter the command (no quotes) "ipconfig /flushdns"

Is it possible to run a dns server on this kind of nat vps?

If it has DDOS protection, you could theoretically set-up a DNS server.

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How about using Google DNS or maybe proxy? Will that work?

Try with another ISP. Some are caching the dns afaik

Have you given it 24/48 hours time for the DNS servers to propagate to the new IP? Some cases may take as little as 5 minutes while others can take the full 48 hours before the changes appear.

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@gibster - There is not many tutorials available, but my advice to you is to look into how to get postfix writing email to a network based storage, and dovecot reading from network based storage. Once

For low volume e-mail something like GlusterFS for storage with webmail/IMAP/SMTP redundancy by failover at the DNS level. The key is that you HAVE to keep mail storage in perfect sync. You can't just

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If you had read the OP and previous posts, you would have read that they gave 30mins notice for the new IP's to be live, with an additional 24-48 hours on top of that to change the DNS records. While

Don't see a problem here, only takes a couple minutes to update your DNS

For the price and quality which is perfect; this little hiccup is nothing, update DNS and move on. I basically had no downtime which perfect in my book. (Image)

hopefully have enough notice to update their DNS information.

Thanks to the thread I could update DNS zones in time.

Got them a minute after I posted and made the rounds to update DNS.

Try reading the email again. The IP will be assigned within 30 minutes. You have 12-48 hours to update your DNS. Not ideal, but cut him some slack. He admits it was a mistake:

DNS Clustering, HW RAID Protected Storage