Using NSLookup to Verify DNS Entries

When setting up the Office 365 account, domain verification seems to be a pain point for a lot of people. Most people search the internet to verify if the records are replicated.

You can use NSLookup and public DNS servers to do the same job.

  1. Open a command prompt and type NSLookup

     

  2. Type in the command set type=all

    This will allow NSlookup to list all the records in the zone

     

  3. Type in the command server ‘public DNS IP’. Where ‘public DNS IP’ is; populate with the actual IP address. See the table below

     

  4. Type in the record that you are looking for and NSlookup will query that DNS server.

Public DNS Servers (Updated May 2012)

Provider Primary DNS Server Secondary DNS Server
Level31 209.244.0.3 209.244.0.4
Google2 8.8.8.8 8.8.4.4
Comodo Secure DNS 8.26.56.26 8.20.247.20
OpenDNS 208.67.222.222 208.67.220.220
DNS Advantage 156.154.70.1 156.154.71.1
Norton DNS 198.153.192.1 198.153.194.1
ScrubIT3 67.138.54.120 207.225.209.77
OpenNIC4 69.164.208.50 216.87.84.211
Public-Root5 199.5.157.131 208.71.35.137

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