How to minimize the downtime in my case

[Chuck Swiger]

Hi--

On Mar 14, 2013, at 12:04 PM, Manish Rane wrote:
> I right now have NS server hosted with ISP and I am planning to set up my own BIND servers. Now I would like to understand that I need to ask my Registrar to populate the entry of my new NS server which would take 4-6 hours to propagate over the internet.
> 
> To reduce the downtime, can I not add those two new NS servers along with my old DNS server with exact zone? once all the NS entries populate over the internet I can have my ISP's DNS removed and have one of my DNS server as Master?

You can.

> once all the NS entries populate over the internet I can have my ISP's DNS removed and have one of my DNS server as Master?

Sure.  Validate that your new servers work before turning off the old ones for the zone with your registrar, but otherwise, you should be fine.

Regards,
-- 
-Chuck