Most excellent.  Thank you very much.  I'll give this a whirl at home and
see how it goes.

Much obliged,
RS

On Tue, Mar 9, 2010 at 4:41 PM, Tim Evans <[email protected]> wrote:

>  I run this batch file:
>
> ****** begin batch file *****
>
> @echo off
>
> set server=mydnsserver
>
> set /p delold=Delete old domains?
>
> if /I "%delold%" NEQ "Y" goto getit
>
> echo Deleting old domains...
>
> pause
>
> for /F %%f in (mal_list.txt) do dnscmd %server% /zonedelete %%f /dsdel /f
>
> :getit
>
> if exist domains.txt del domains.txt
>
> wget http://www.malwaredomains.com/files/domains.txt || goto end
>
> if exist mal_list.txt del mal_list.txt
>
> rem ignore lines beginning with # & echo 1st word only
>
> for /F "eol=# tokens=1 " %%i in (domains.txt) do @echo %%i >>mal_list.txt
>
> for /F %%f in (mal_list.txt) do (dnscmd %server% /zoneadd %%f /DsPrimary
> /DP /forest && dnscmd %server% /recordadd %%f * A 192.168.0.6)
>
> :end
>
> ****** end batch file *****
>
>
>
> This adds a wildcard zone for each domain which points to an internal web
> server at 192.168.0.6. It displays a "web site blocked due to malware" page
> whenever anyone hits it. I go thru the logs regularly and investigate any
> host on that server. It's a bit crude in that it just attempts to add all
> the domains each time it is run, but it works from me. Occasionally, they
> delete a bunch of domains and I couldn't figure out a better way to handle
> it, so if I answer Y to tor prompt, it deletes all domains and readds them
> from the downloaded list.
>
>
>
> ...Tim
>
>
>
> *From:* Richard Stovall [mailto:[email protected]]
> *Sent:* Tuesday, March 09, 2010 1:13 PM
>
> *To:* NT System Admin Issues
> *Subject:* Re: DNS Server service shuts down shortly after the DC boots
>
>
>
> Very intriguing.
>
>
>
> How do you accomplish the loading of the domain list?  Using a boot file
> per the directions here:
> http://www.malwaredomains.com/wordpress/?page_id=6#MS?  Do you refresh the
> list manually every once and a while?
>
>
>
> Thanks,
> RS
>
> On Tue, Mar 9, 2010 at 3:58 PM, Tim Evans <[email protected]> wrote:
>
> FWIW, I load the entire domain list from http://www.malwaredomains.com/into 
> my AD integrated DNS without any problems. over 18000 domains are
> currently included. I've got a 2003 native domain/forest too. DC's include
> WS08R2, WS08, & WS03 SP2. I have not seen anything like this here.
>
>
>
> ...Tim
>
>
>
> *From:* Carl Houseman [mailto:[email protected]]
> *Sent:* Tuesday, March 09, 2010 11:53 AM
>
>
> *To:* NT System Admin Issues
> *Subject:* RE: DNS Server service shuts down shortly after the DC boots
>
>
>
> It appears that background zone loading is a feature of 2008 and later...
> maybe I just need to hurry up the upgrade to 2008.
>
>
>
> Carl
>
>
>
> *From:* Michael B. Smith [mailto:[email protected]]
> *Sent:* Tuesday, March 09, 2010 2:44 PM
> *To:* NT System Admin Issues
> *Subject:* RE: DNS Server service shuts down shortly after the DC boots
>
>
>
> Oh! Yes, now that you say that….
>
>
>
> I bet what’s happening is that it’s timing out.
>
>
>
> There is a flag (and I’m sorry that I don’t remember the details) that says
> “do the initial zone load in the background”. You probably need to set that.
> That should be enough to biggle with…
>
>
>
> Regards,
>
>
>
> Michael B. Smith
>
> Consultant and Exchange MVP
>
> http://TheEssentialExchange.com
>
>
>
> *From:* Carl Houseman [mailto:[email protected]]
> *Sent:* Tuesday, March 09, 2010 2:40 PM
> *To:* NT System Admin Issues
> *Subject:* RE: DNS Server service shuts down shortly after the DC boots
>
>
>
> "Debug logging" will log DNS packets to a text file.  I guess the last DNS
> packet received before the shutdown could tell me something if it was
> shutting down randomly at any time.   But the fact that the service stays
> running forever after restarting suggests that bad DNS packets on the wire
> aren't likely causing this.  So if bad DNS traffic is the problem, the only
> explanation would be a DNS query from the DC to itself.   DC DOS's its own
> DNS server service?
>
>
>
> One thing I may have that is less common is a lot of DNS authoritative
> zones for well known bad (malware hosting) domain names.  There's over 1000
> of 'em.
>
>
>
> I have to say I'm not up for an extended debugging journey on this one,
> just wondering if this behavior triggered any memories for anyone.
>
>
>
> Carl
>
>
>
> *From:* Brian Desmond [mailto:[email protected]]
> *Sent:* Tuesday, March 09, 2010 1:53 PM
> *To:* NT System Admin Issues
> *Subject:* RE: DNS Server service shuts down shortly after the DC boots
>
>
>
> *It should be able to kick out more info to a text file.*
>
> * *
>
> *The scenario you mention of branch DCs not having connectivity is
> completely normal. *
>
> * *
>
> *Thanks,*
>
> *Brian Desmond*
>
> *[email protected]*
>
> * *
>
> *c – 312.731.3132*
>
> * *
>
> *From:* Carl Houseman [mailto:[email protected]]
> *Sent:* Tuesday, March 09, 2010 12:46 PM
> *To:* NT System Admin Issues
> *Subject:* RE: DNS Server service shuts down shortly after the DC boots
>
>
>
> Good idea, but the DNS Server's event logging option has been on "all
> events" all this time.  That must be the default, I don't recall ever
> changing it.
>
>
>
> Carl
>
>
>
> *From:* Michael B. Smith [mailto:[email protected]]
> *Sent:* Tuesday, March 09, 2010 1:39 PM
> *To:* NT System Admin Issues
> *Subject:* RE: DNS Server service shuts down shortly after the DC boots
>
>
>
> This would seem to indicate to me that while the DNS Server service was
> initiated, it never actually finished initializing.
>
>
>
> Aren’t there some logging options on the DNS server property tab? I’d
> probably ratchet those up to max for a while and see if they helped gather
> more info…
>
>
>
> Regards,
>
>
>
> Michael B. Smith
>
> Consultant and Exchange MVP
>
> http://TheEssentialExchange.com
>
>
>
> *From:* Carl Houseman [mailto:[email protected]]
> *Sent:* Tuesday, March 09, 2010 1:22 PM
> *To:* NT System Admin Issues
> *Subject:* DNS Server service shuts down shortly after the DC boots
>
>
>
> Curious thing, started a few months ago after I moved the FSMO roles from
> this DC to another one.  This DC frequently boots "in a vacuum" – no other
> DC's can be contacted, so it takes a long time sniffing around before it
> finally starts Active Directory and its own DNS Server service.   A few
> minutes after that, the DNS Server service shuts down.  There's nothing in
> the System or Application event log to explain it, and the DNS Server event
> log records simply that " The DNS server has shutdown." (event ID 3).
>
>
>
> The recovery options are set to restart the service, but that doesn't
> happen because the service appears to have been shut down on purpose.  But
> no human (for sure) and 99.9% sure no software is issuing the command.
>
>
>
> Another interesting thing from the event logs, under System, when I start
> the service there's an event 7036 logged "The DNS Server has entered the
> running state".  But I see NO event 7036 for DNS at the time of booting.
> Obviously, it must be started, else the DNS event log wouldn't record that
> it had shut down!   And I see no 7036 events for it stopping either.
>
>
>
> When this happens, I can manually start the DNS Server service and all is
> well until the next boot, which may or may not have the problem.  I think
> it's happening about 50% of the time.
>
>
>
> I've scripted a solution to recover from the problem, but I'm just curious
> if anyone has noticed something similar.  I'm guessing the instances of
> branch offices booting their DC without network connectivity back to the
> FSMO holder at HQ is fairly rare, but not unheard of.
>
>
>
> And this is Windows 2003 SP2, native 2003 domain/forest.  Almost left that
> off, yikes!
>
>
>
> TIA,
>
> Carl
>
>
>
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