Reverse lookup zone in dns is not updating

It is CNAME like, but while CNAME provides a single substitution (or aliasing) at the owner (left-hand) name of the associated CNAME RR, DNAME provides substitution (or aliasing) at all levels below the owner-name associated with the DNAME RR.Text explanations are almost useless, instead see the examples below which, hopefully, make the DNAME RR functionality more evident.The problem is this: when the network adapter is configured for DHCP and the DHCP server doesn't register DNS records on behalf of its clients (because it can't, or because it's not configured to do so), then A friend not on SF said: "That's normal, PTR is only updated by DHCP in Win2K ".That doesn't exactly seem to be the case from your experience, but might be close.... Massimo, are you able to pull a wireshark trace and check the DHCPREQUEST Packet?A working Active Directory is heavily based on a working DNS.It's not just for resolving IP addresses into names and vice versa.

DNAME has had a somewhat chequered history by being associated with the ill-fated A6 RR, but is now happily restored to its full glory in the Pantheon of RRs.Using Netflow, I could see the ip address of the offender but couldnt see the hostname of the computer/workstation that was the offender.Here is my config for DHCP on the switch -ip dhcp pool PC network domain-name dns-server default-router lease 8This is an office across the street from the main building.Clients find their Domain Controller/s and other important AD services by DNS queries, this means that your clients must use your Domain Controller/s as their nameservers.I've stumbled upon a strange behaviour with Windows machines, which seems to be fairly consistent between all Windows versions from Vista/2008 to 8.1/2012 R2; it doesn't happen instead when using Windows XP or Windows Server 2003.The utility uses a graphical display that you can use to view current data, or log data.


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