[Mimedefang] ADMINISTRIVIA: Colocated server downtime
David F. Skoll
dfs at roaringpenguin.com
Mon Apr 26 16:33:30 EDT 2004
On Mon, 26 Apr 2004, Kenneth Porter wrote:
> Good luck with it! I see the forward DNS entries have a TTL of 3600, so
> some might not see the domain until as late as 1 pm, or 1 hour after
> whenever you cut over the DNS.
I will be changing the TTL to 300 the night before. :-) Unless your
DNS server clamps the minimum TTL above 5 minutes, the DNS switcheroo
should be fairly painless.
Regards,
David.
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