Solved

2003 Windows Server possible DNS issues

Posted on 2014-03-05
2
263 Views
Last Modified: 2014-03-05
We have a 2003 Windows server that is acting as pdc, dns & dchp.  We haven't changed anything for quite awhile but all of the sudden today nobody can access the internet if the dns is pointing to that server.  I didn't have a secondary dns setting but I added the router's local IP as the secondary so that they could have internet access again.  I'm pretty sure there must be an issue with the dns but I cannot figure it out.  From the server if I have just it's own IP address the only dns server, nslookup will not resolve anything.  Should I just rebuild the dns server or is there an easier fix, or something else to look at all together?  Like I mentioned earlier, everything was working great for a long time but something just happened out of the blue.

Thanks.
0
Comment
Question by:french44
2 Comments
 
LVL 13

Accepted Solution

by:
Santosh Gupta earned 500 total points
ID: 39908024
1. telnet and check if your DNS server port 53 is opened.
2. check if root hints of dns is present and working.
3.run dcdiag /test:dns and share the result.
0
 

Author Comment

by:french44
ID: 39908241
Thanks for the help.  

I have found the issue.  Their DNS forwarders were set to a previous ISP's DNS servers.  Once I changed them to the correct servers it works correctly again.  

I found it when I was checking for root hints so I'll give you credit sgupta1181.  Thanks
0

Featured Post

PRTG Network Monitor: Intuitive Network Monitoring

Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Preface Having the need * to contact many different companies with different infrastructures * do remote maintenance in their network required us to implement a more flexible routing solution. As RAS, PPTP, L2TP and VPN Client connections are no…
Many of us need to configure DHCP server(s) in their environment. We can do that simply via DHCP console on server or using MMC snap-in on each computer with Administrative Tools installed in a network. But what if we have to configure many DHCP ser…
In this video I am going to show you how to back up and restore Office 365 mailboxes using CodeTwo Backup for Office 365. Learn more about the tool used in this video here: http://www.codetwo.com/backup-for-office-365/ (http://www.codetwo.com/ba…
Internet Business Fax to Email Made Easy - With eFax Corporate (http://www.enterprise.efax.com), you'll receive a dedicated online fax number, which is used the same way as a typical analog fax number. You'll receive secure faxes in your email, fr…

911 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

22 Experts available now in Live!

Get 1:1 Help Now