How to minimize the downtime in my case

[Andrew Latham]

Manish

That is a perfectly good plan.  One note is to study your TTL.  If
your ISP has set a longer TTL on your NS records then you would need
to first ask for a shorter TTL and wait until the time has passed.

Example: if TTL is set to one week, ask for change to shorter period
and then wait for 1.5(or more) times the old TTL to pass before you
begin your process.



On Thu, Mar 14, 2013 at 3:04 PM, Manish Rane <manishr78 at gmail.com> wrote:
> Hey Folks,
>
> 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?
>
>
> Current Scenario
> ------------------------------------
>
> ns1.example.com    1.2.3.4
> ns2.example.com     5.6.7.8
>
>
> I am thnking of below scenario
>
> ns1.example.com    1.2.3.4
> ns2.example.com     5.6.7.8
> mynewns1.example.com   20.20.20.20
> mynewns2.example.com   30.30.30.30
>
> Then after few days
>
> mynewns1.example.com   20.20.20.20
> mynewns2.example.com   30.30.30.30
>
> Which eventually should have all the records.
>
> Please advise!!
>
>
>
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-- 
~ Andrew "lathama" Latham lathama at gmail.com http://lathama.net ~