nslookup works; ping does not

A

Andy Fish

Hi,

I have a problem with an XP Pro box with resolving external (fully
qualified) domain names. After leaving the box alone for a while, it seems
that TCP/IP apps can't resolve hostnames via DNS, but nslookup works
correctly. Here's an example:

nslookup www.google.com
==> returns 216.239.59.99

ping 216.239.59.99
==> works OK

ping www.google.com
==> "ping request could not find host www.google.com. Please check the
name and try again"

This is using a PC with several network adapters, all are disabled except
one. The PC is inside a NAT router. releasing and renewing the IP address
does not work; disconnecting and reconnecting the network adapter
occasionally works but usually a reboot is required.

I have looked at the flowchart diagram called "DNS Query Process" on the MS
web site and it seems that for a fully qualified domain name, any name
lookup should go straight to DNS.

Anyone got the foggiest idea what's going on here? - I'm stuck

Andy
 

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