Category Archives: DNS

DNS Entry of Domain Controller are Resolving to Incorrect value

One of the Domain Controller DNS entries pointing to wrong IP Address (resolving with the wrong IP address) which is affected Active Directory authentication and other services. This is a unique issue which I have come across

It’s a single forest with multiple child domains as the architecture, when try to resolve one of the … [Continue reading]

Nslookup for WINS?

Nslookup for WINS Entry?

We all know using Nslookup tool we can check the DNS name resolution, easy to use while troubleshooting name resolution and DNS related issues, NSLookup tool also used to check the WINS entry, yes you can check the WINS entry using NBlookup tool to query against a WINS server

If you want to know more on … [Continue reading]

Extract DNS root hints from Domain Controller

Extracting the DNS root hints from windows DNS servers

are simple procedure, before going to explain this I would like to explain how the root hints are configured in windows servers, if you have question like how root hints are configured and is DNS root hints are replicated through Active Directory replication then read further you will get all the … [Continue reading]

Category: DNS

DNS Lookup Tool with GUI

Free Nslookup Tool for Windows with GUI interface

It’s a normal Windows Nslookup tool, command line windows Nslookup tool been converted to user friendly GUI tool, this tool used to check the DNS entry and it has many customized features

Features of DNS Lookup Tool

• You can check the different record types (A, MX, NS, SOA, PTR, and SRV)… [Continue reading]

DNS Management Tool

Using DNS Management tool you can check, create and delete DNS entry in Windows DNS server, it seems to be simple however in a large environment it’s not that simple, let’s say if you have multiple zones and every zone have huge DNS entry’s then it’s very difficult  to check, create and delete the DNS entry

When you open the … [Continue reading]

Command to Create/Delete bulk DNS Record

DNSCMD command line tool can be used to create DNS entry, I would like to explain how we can use DNSCMD to create and delete bulk DNS record from text file, creating and deletion bulk DNS entry it very simple if you use this procedure

How to create Bulk DNS record

First we will see the bulk DNS creation, we … [Continue reading]

Unable to delete DNS PTR record

Deleted DNS record reappear or comes back, unable to delete

I think every Windows admin have faces an issue with the DNS entry deletion, after the DNS entry deletion it came back, after refreshing the screen via hitting F5 the record reappears, mostly it happen for PTR record


If you configure DNS scavenging in your environment then this record will … [Continue reading]

Category: DNS

Windows 2008 DNS features

Compare to windows 2003, Windows 2008 have more features and improvement, I will discuss the improvement related to DNS in this article, Microsoft done the improvement that really required for the IT environment, Windows 2008 DNS features are listed below

Background zone loading: If you are an administrator for an large environment you would have seen this issue, after [Continue reading]