Changing IP + Redirecting IP

Hello,

I have an issue and wish to discuss, I will be changing IPs due to blocked IPs by an ISP. we assumed

The change ofcourse will be instant but then DNS will takes up to 2 days or 3 days. I am asking is there a way to shorten the time?

Current DNS is
ns1.xxx.com - xxx.xxx.xxx.101 <-- Main IP and shared IP
ns2.xxx.com - xxx.xxx.xxx.102

New IP is
xxx.xxx.xxx.201

Do you think I should ask the datacenter to point xxx.xxx.xxx.101 to xxx.xxx.xxx.201 so for my clients, if their ISP hasn't update the DNS, they are redirected to xxx.xxx.xxx.201 so it will decrease the downtime.

What do you think?

Thanks

 

 

 

 

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