Udating windows dns
The LDNS thus iteratively sends the SOA request, starting with a root DNS server, and eventually returns the server (step 8).
Over 97% of DNS updates that leak onto the global Internet come from Microsoft Windows operating systems (see companion paper on The Windows of Private DNS Updates).
At the same time, Active Directory servers support DNS aging and scavenging, which means that stale DNS records might be removed from AD after a period of inactivity.
I join a computer to AD and it updates DNS with its record.
The IP changes on the client but the record never updates.
The default configuration not only wastes global Internet resources but also introduces a multitude of security, privacy and intellectual property concerns.
Leakage of private DNS updates is caused by inconsistent configuration between DNS servers and DHCP client/server entities.