Re: DNS propagation to secondary Internet servers

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Billdat wrote:
> Situation:
> 1. Primary DNS server NS1.123.com
> 2. 2 secondary servers NS2.123.com and NS3.123.com.
> 3. When I update NS1.123.com it sometimes updates NS2.123.com and
> sometimes NS3.123.com. I need it to update both at (relatively) the
> same time.
> 4. NS1.123.com is setup to notify the servers in the Name Servers Tab.
>
> Question:
> What could be wrong, or what should I do different to get the records
> to propagate to both name servers?

You can also have the secondary servers notify and allow zone transfers the
other secondary server. It is not a requirement that zone transfers come
only from a primary.

Sometimes, allowing zone transfers to and notifying the name servers on the
name servers tab does not work as expected under these circumstances.
Primary and Secondary servers are behind the same NAT device and the NS
records on the name servers tab have public IP addresses.
Secondary Name servers are multi-homed and not all IP addresses are on the
NS records.

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This Helps
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