Delegation
Larry Sheldon
lsheldon at creighton.edu
Sat Dec 9 02:30:39 UTC 2000
>
> BIND 8's named seems to have this nasty habit of dropping delegation NS records
> when the parent zone is dynamically-updateable and it happens to also be slave for
> the subzone. Most of the time this "doesn't matter" because the NS records in the
> subzone will overlay the delegation NS records, even in a zone transfer. But if
> you ever *stop* slaving the subzone, BIND 8's named does not regenerate the
> delegation NS records, so essentially the subzone goes *poof*! I suspect that's
> what happened here.
>
> Hopefully BIND 9 handles things a little better.
This scenario matches my situation very well!
I think.
"cuname.creighton.edu" is "primary" (er.."master") for "creighton.edu"
and "secondary" (umm..."slave") for the delegated subdomain that failed.
The primary for the failed subdomain ingested its hard-drive and was dead
for some length of time--and when rebuilt denied zone transfers--ergo, when
the secondary zone timed out "cuname" threw everything away including the
delegating NS records.
I think that fits.
Thank you very much.
--
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. .
- L. F. (Larry) Sheldon, Jr. -
. Unix Systems and Network Administration .
- Creighton University Computer Center-Old Gym -
. 2500 California Plaza .
- Omaha, Nebraska, U.S.A. 68178 Two identifying characteristics -
. lsheldon at creighton.edu of System Administrators: .
- 402 280-2254 (work) Infallibility, and the ability to -
. 402 681-4726 (cellular) learn from their mistakes. .
- 402 332-4622 (residence) -
. http://www.creighton.edu/~lsheldon Adapted from Stephen Pinker .
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