Fixing Dynamic DNS on Gargoyle

Note: I switched to inadyn on my home server eventually. I left this article because it's still relevant

I was digging through the logs of my latest Gargoyle installation (a router firmware based on OpenWrt, with a better UI in my opinion), and found out that Dynamic DNS updates ...

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Remotely changing DNS server list through registry

Recently I was called to help some some friends who had an unusual problem:
They demoted an old DC because they needed to raise the domain functional level, and after doing so many of their servers stopped working - they wouldn't allow remote logins, the Exchange services wouldn't start ...

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Making Sure Only Your PDC is Scavanging DNS Records

I recently looked over out DNS server settings, and I found out that more than one DNS server (DC in our case) was scavenging records.
In order to put that right, I made a small script that makes sure that only the PDC is scavenging records:

param(
 $scavengeInterval = 7
)

Get-ADDomainController ...
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Automaticlly Updating DNS Server Addresses In A Domain Machine

The Problem

I was recently requested to make sure that our machine's network interface cards (NICs) have their DNS queries pointed to "the correct servers".
I decided that every machine should point to its domain's DNS servers, and it's their job to redirect queries (if needed) to ...

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Lowercasing PTR records in DNS

Recently, one of the IT crowd informed me that he can't delete some of his PTR records through the DNS management console (dnsmgmt.msc). The record would appear to be deleted, but it'll still show up after refreshing.
After some quick Googling I found kb842127, which says that ...

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