NSLookup Timing Out

NSLookup timing out     After a power failure in my home my network can not issue a nslookup.

 Microsoft Windows [Version 6.3.9600]
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C:\Users\administrator.MYVM>nslookup
DNS request timed out.
    timeout was 2 seconds.
Default Server:  UnKnown
Address:  10.2.8.30

> tgcs004
Server:  UnKnown
Address:  10.2.8.30

DNS request timed out.
    timeout was 2 seconds.
DNS request timed out.
    timeout was 2 seconds.
*** Request to UnKnown timed-out
>

Time out even when I select 8.8.8.8yahoo.com

> server 8.8.8.8
DNS request timed out.
    timeout was 2 seconds.
Default Server:  [8.8.8.8]
Address:  8.8.8.8

This is OK

>> yahoo.com
Server:  [8.8.8.8]
Address:  8.8.8.8

Non-authoritative answer:
Name:    yahoo.com
Addresses:  2001:4998:58:1836::10
          2001:4998:c:1023::4
          2001:4998:c:1023::5
          2001:4998:44:41d::3
          2001:4998:58:1836::11
          2001:4998:44:41d::4
          72.30.35.9
          98.137.246.7
          98.137.246.8
          72.30.35.10
          98.138.219.231
          98.138.219.232

>> server 10.2.8.26
Default Server:  [10.2.8.26]
Address:  10.2.8.26

> tgcs004
Server:  [10.2.8.26]
Address:  10.2.8.26

DNS request timed out.
    timeout was 2 seconds.
DNS request timed out.
    timeout was 2 seconds.
*** Request to [10.2.8.26] timed-out
>


will not lookup any thing internal


I can ping by ip address , NetBIOS name, and FQDN  no problem just cannot do a nslookup

Any ideas?
LVL 23
Thomas GrassiSystems AdministratorAsked:
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JohnBusiness Consultant (Owner)Commented:
Do you have a home router?  Likely, I think.   Make sure you know the settings, do a factory reset and set it up again. Now test and see if NS Lookup works. The reset will fix DNS anomalies.
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Thomas GrassiSystems AdministratorAuthor Commented:
I have a Meraki Router

I have Windows 2012 R2 Domain Controllers both are running DNS

Also I can nslookup using 8.8.8.8 outside it is only internal
0
JohnBusiness Consultant (Owner)Commented:
Have you tried restarting all computers and devices after the power failure?

Were the servers on a UPS?
0
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Thomas GrassiSystems AdministratorAuthor Commented:
John,

Yes most are on UPS but the power went on and off several times
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JohnBusiness Consultant (Owner)Commented:
The surge from repeated on / off cycles may have damaged some things.

On both Server 2012 machines, run DISM.

Open cmd.exe with Run as Administrator and run dism.exe /online /cleanup-image /restorehealth .  Allow to complete, then restart and test.
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MaheshArchitectCommented:
Some problem with server ip config, try to reset virtual nic in vm
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Thomas GrassiSystems AdministratorAuthor Commented:
Theses are on both physical and VMS'
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JohnBusiness Consultant (Owner)Commented:
A software fix that can precede DISM is to run TCP/IP Reset, DNS Flush on all machines (physical and virtual).

Open cmd.exe with Run as Administrator
Then: netsh int ip reset c:\resetlog.txt
Then: ipconfig /flushdns
Then: restart the computers
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Thomas GrassiSystems AdministratorAuthor Commented:
John

I have 5 DC's 3 Domains after doing the Primary DC I am now able to do nslookup from my win 10 computer  Doing the last DC now all looks good.


Thanks for the help
0
JohnBusiness Consultant (Owner)Commented:
You are very welcome and I am glad you have sorted out the problems
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