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7.6

PTR Records on Internal DNS

Asked by darrennelson in Windows Networking

Hello,

We host our own internal and external DNS. On the internal side, my reverse lookup zone is a mess. I have PTR records for the same IP pointing to various machines and vice versa.

Question 1: where or what creates the PTR record? Does doing a /flushdns and /registerdns all records for the host its run on?

Question 2: why do i have some records with host name machinename. and others have machinename.domain.com?

Here are some examples of what i have

10.1.1.25 Pointer(PTR) host1.domain.com
10.1.1.25 Pointer(PTR) host2.
10.1.1.25 Pointer(PTR) host2.domain.com
10.1.1.25 Pointer(PTR) host3.domain.com

and on the flip side

10.1.1.96 Pointer(PTR) host12.domain.com
10.1.1.45 Pointer(PTR) host12.domain.com
10.1.1.12 Pointer(PTR) host12

how do i clean this up? I was thinking I can use a login script that would run ipconfig /flushdns and ipconfig /registerdns but I tested this on a few machines and it's not cleaning up the records.

Thanks

Get your answer NOW

20091111-EE-VQP-89

PTR Records on Internal DNS

Asked by darrennelson in Windows Networking

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