Dns is slow

Posted on 2005-03-10
Medium Priority
Last Modified: 2010-04-19
I have a windows 2003 server running DNS.  Its preferred DNS is (it's self). All pc's have as there one and only DNS server.  The Dns has a forwarder set to point to (my router). The router has the outside DNS servers setup.  Web browsing is very slow.  When I add a secondary DNS ( to a pc,  browsing speeds up.  should I just add a secondary DNS in DHCP so pcs have two, or will this mess up my internal dns? Adding to my forwarders does not speed things up.

Thanks Bill
Question by:FFBill
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LVL 25

Expert Comment

ID: 13508602
you need to set the forwarder on your dns server to a public dns server, not the router.  try and

do NOT point your clients to any other DNS server other than

LVL 25

Accepted Solution

mikeleebrla earned 200 total points
ID: 13508630
also,, what happens when you dont have any forwarders at all.  Actually that is the recommended method by MS since it will use the root hints of your DNS server directly then, not the forwarders at all.

Author Comment

ID: 13508846
I removed all forwarders, looks good.

LVL 25

Expert Comment

ID: 13508902
glad you got it working,,, here is the reference to MS in case anyone disagrees with the fact that MS recommends removing the forwarders:

Question: If I remove the ISP's DNS server settings from the domain controller, how does it resolve names such as Microsoft.com on the Internet?

Answer: As long as the "." zone does not exist under forward lookup zones in DNS, the DNS service uses the root hint servers. The root hint servers are well-known servers on the Internet that help all DNS servers resolve name queries.


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