Re: Advisory — D-root is changing its IPv4 address on the 3rd of January.

Mark Andrews marka at
Sat Dec 15 22:32:25 UTC 2012

In message <42515678-F2CE-48CE-A0E6-4211C5F0F1A1 at>, Jared Mauch writes:
> On Dec 15, 2012, at 4:58 PM, Mark Andrews <marka at> wrote:
> >> I realise that keeping the old IP functional for some time is =
> important
> >> for all the static configurations. But does it matter if a dynamic =
> list
> >> is updated "real time" without much advance warning ?
> >=20
> > 3 weeks is not a lot of "advance warning".
> 3 weeks is plenty for a service that in 6 months you may see degraded to =
> 12/13 capacity if you haven't properly maintained it AND it is used for =
> recursive service.  (trusting a referral from a root or sub-root =
> delegation to the root is crazy!).

3 weeks is not a lot of time to inform every recursive service
operator in the world that there is a change coming.  Remember
nameservers will start logging warning messages as of January 3rd.

There is a big difference between 'This is just fallout from D
changing it's address' to 'What does this message mean and do I have
to worry?'

> I could only wish my automobile would notify me 6 months of its =
> impending failure should I take no action...
> Oh, and you can just download the root zone from =
> ...
> - Jared=
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at

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