nslookup error
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From: trant on 15 Feb 2010 23:36 Hello, When I use nslookup I get the error: *** Can't find server name for address 192.168.3.1: Non-existent domain *** Default servers are not available Server: UnKnown Address: 192.168.3.1 192.168.3.1 is my gateway's address (the router) I have my TCP/IP settings to automatically fetch both my IP and the DNS servers. Doing some searching on the net some people say I need to create a PTR record for this reverse lookup - but I can't figure out how to do this. One article says there should be a DNS Management tool under Control Panel -> Administrative Tools but I do not have this... How do I resolve this? WinXP SP3
From: John Wunderlich on 15 Feb 2010 23:59 =?Utf-8?B?dHJhbnQ=?= <trant(a)discussions.microsoft.com> wrote in news:390C36AB-95B8-4616-A7DF-5F717EEC68B8(a)microsoft.com: > Hello, > > When I use nslookup I get the error: > > *** Can't find server name for address 192.168.3.1: Non-existent > domain *** Default servers are not available > Server: UnKnown > Address: 192.168.3.1 > > 192.168.3.1 is my gateway's address (the router) > > I have my TCP/IP settings to automatically fetch both my IP and > the DNS servers. > > Doing some searching on the net some people say I need to create a > PTR record for this reverse lookup - but I can't figure out how to > do this. One article says there should be a DNS Management tool > under Control Panel -> Administrative Tools but I do not have > this... > > How do I resolve this? > > WinXP SP3 > > When your router obtains its IP address from your Modem, it should also obtain your ISP's DNS server address from your ISP as well. It is not unusual, then, for the modem to give out its own local IP address as the DNS server because the router will simply forward the DNS request to the real DNS server. My approach would be first to disconnect all the LAN connections from your router then disconnect the power plug to the router for a few seconds. Then reconnect power, wait about 1/2 minute, then reconnect your LAN connections. (ie cycle power and reset your router). If that doesn't work, you can find your ISP's DNS Server addresses from the help pages of your ISP's website and manually enter that address in your network configuration. That should get you going until you can discover why your router is not handling DNS properly. HTH, John
From: Jack [MVP-Networking] on 16 Feb 2010 12:59
Hi You can also try one of the public DNS servers (they are vey good). Example 4.2.2.2 and 4.2.2.3 Jack (MS, MVP-Networking). "John Wunderlich" <jwunderlich(a)lycos.com> wrote in message news:Xns9D20D58A2CACFwunderpsdrscray(a)207.46.248.16... > =?Utf-8?B?dHJhbnQ=?= <trant(a)discussions.microsoft.com> wrote in > news:390C36AB-95B8-4616-A7DF-5F717EEC68B8(a)microsoft.com: > >> Hello, >> >> When I use nslookup I get the error: >> >> *** Can't find server name for address 192.168.3.1: Non-existent >> domain *** Default servers are not available >> Server: UnKnown >> Address: 192.168.3.1 >> >> 192.168.3.1 is my gateway's address (the router) >> >> I have my TCP/IP settings to automatically fetch both my IP and >> the DNS servers. >> >> Doing some searching on the net some people say I need to create a >> PTR record for this reverse lookup - but I can't figure out how to >> do this. One article says there should be a DNS Management tool >> under Control Panel -> Administrative Tools but I do not have >> this... >> >> How do I resolve this? >> >> WinXP SP3 >> >> > > When your router obtains its IP address from your Modem, it should > also obtain your ISP's DNS server address from your ISP as well. It > is not unusual, then, for the modem to give out its own local IP > address as the DNS server because the router will simply forward the > DNS request to the real DNS server. > > My approach would be first to disconnect all the LAN connections from > your router then disconnect the power plug to the router for a few > seconds. Then reconnect power, wait about 1/2 minute, then reconnect > your LAN connections. (ie cycle power and reset your router). > > If that doesn't work, you can find your ISP's DNS Server addresses > from the help pages of your ISP's website and manually enter that > address in your network configuration. That should get you going > until you can discover why your router is not handling DNS properly. > > HTH, > John > |