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Group:  English: Windows Server » microsoft.public.windows.server.dns
Thread: Stale DNS records?

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Stale DNS records?
"Nutzer" <helo[ at ]hotmail.com> 6/8/2007 8:42:51 PM
All,

We have our company website hosted by a provider. They made changes to the
ip address of the site, which I updated on our external DNS hosting
provider. When i go to dnstuff.com and do a A record lookup of
www.mycompany.com it resolves to the correct IP. BUT, in my internal
network, for some reason, it keeps resolving to the older IP address. Not
sure what I need to do to refresh the DNS records.

Any ideas? Thanks?


Re: Stale DNS records?
"Kevin D. Goodknecht Sr. [MVP]" <admin[ at ]nospam.WFTX.US> 6/9/2007 12:41:02 AM
Read inline please.

In news:qICdnY4FvP5GI_TbnZ2dnUVZ_rKvnZ2d[ at ]giganews.com,
Nutzer <helo[ at ]hotmail.com> typed:
[Quoted Text]
> All,
>
> We have our company website hosted by a provider. They made changes
> to the ip address of the site, which I updated on our external DNS
> hosting provider. When i go to dnstuff.com and do a A record lookup
> of www.mycompany.com it resolves to the correct IP. BUT, in my
> internal network, for some reason, it keeps resolving to the older IP
> address. Not sure what I need to do to refresh the DNS records.
>
> Any ideas? Thanks?

What is the TTL of the record?
DNSStuff does not cache those lookups, so the change is immediate, but it
does report the TTL of the record.
The old record is likely cached in your local DNS, or its forwarder, and
won't be updated until the remaining TTL has expired. I have seen many
public DNS hosting providers that use TTLs of up to two days.

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

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RE: Stale DNS records?
Ganapathy 6/12/2007 10:36:01 AM
Hi,

Its based on TTL record , max it will take 2 to 3 days to update.

"Nutzer" wrote:

[Quoted Text]
> All,
>
> We have our company website hosted by a provider. They made changes to the
> ip address of the site, which I updated on our external DNS hosting
> provider. When i go to dnstuff.com and do a A record lookup of
> www.mycompany.com it resolves to the correct IP. BUT, in my internal
> network, for some reason, it keeps resolving to the older IP address. Not
> sure what I need to do to refresh the DNS records.
>
> Any ideas? Thanks?
>
>
>

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