Hello Benoit

> Our Customers ADS Server keeps autocreating one records like this:
> gc._msdcs.web.EXAMPLE.COM 1800 IN A 192.0.2.44

Which is kinda expected for an Active Directory DNS Zone. In fact what
you see here is actually a glue record for the whole AD-part, as the
_msdcs-part, which contains all the super duper secret special sauce of
Active Directory, is a sub-zone within the named ad-zone.

So basically your customer made the error to use a real-world zone name
(EXAMPLE.COM) as his AD-Name instead of EXAMPLE.LOCAL which would stay
internal and have another, non ad-zone configured for the external domain.

It all comes down to the point that you should never try to use BIND as
a secondary DNS of an AD-Zone as Microsoft apparently violate the RFCs
as you already pointed out.

-- 
Best regards,
Roman Hochuli
Operations Manager

nexellent ag
Saegereistrasse 33
CH-8152 Glattbrugg

Phone:       +41 44 872 20 00
Fax:         +41 44 872 20 01
URL:         www.nexellent.ch
X-NCC-RegID: ch.nexellent

Imagination is the one weapon in the war
against reality.
                    -- Jules de Gaultier


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