On Jul 1, 2017, at 3:00 AM, Pete Biggs wrote:
>
>> In your experience, what's the "longest" a DNS cache is configured to
>> keep outdated information? A day? A week? A month? Longer?
>>
> That is controlled by the TTL (time to live) entry.
…which is often under your control as the domain owner.
> You should check to see if your old SOA is still showing themselves
> as authoritative for your domain. If they are, then anyone who uses
> their nameservers will still get the old record(s) for your domain.
>
> If they are still showing themselves as authoritative (which I think
> is the case)
Original Message
> Date: Saturday, July 01, 2017 10:57:42 +0100
> From: Pete Biggs
> Subject: Re: [CentOS] Physically moving a mail server vs. cached DNS
>
> On Sat, 2017-07-01 at 11:37 +0200, Nicolas Kovacs wrote:
>> Le 01/07/2017 à 11:0
On Sat, 2017-07-01 at 11:37 +0200, Nicolas Kovacs wrote:
> Le 01/07/2017 à 11:00, Pete Biggs a écrit :
> > That is controlled by the TTL (time to live) entry. A DNS server must
> > refresh it's cache within the TTL for the entry. Using the '-a' option
> > to host will give you more information:
>
Le 01/07/2017 à 11:00, Pete Biggs a écrit :
> That is controlled by the TTL (time to live) entry. A DNS server must
> refresh it's cache within the TTL for the entry. Using the '-a' option
> to host will give you more information:
So I would have to use the -a option with the old DNS server, to kn
>
> In your experience, what's the "longest" a DNS cache is configured to
> keep outdated information? A day? A week? A month? Longer?
>
That is controlled by the TTL (time to live) entry. A DNS server must
refresh it's cache within the TTL for the entry. Using the '-a' option
to host will give
Hi,
I just moved my main mail account and web content from a low-cost
(low-quality) provider to my own root server running CentOS 7. I
transferred the domain name from DNS management to my registrar,
configured BIND, Apache, Postfix, Dovecot, NTP, SELinux, etc. Now things
are running rather nicely
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