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can't access  company-a.com... How do I flush the DNS? or other solution?

Posted on 2006-10-20
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Hello,

IT manager is out of town and I need help with the following: our company needs to be able to communicate to our sister company (via web and email), but since their power outage we can't access them by web or email, we can only access them by ip address.  I'm new to novell netware, How do I flush our DNS or can I map directly to their ISP?... Help, time is critical.

Thanks,

Doug
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Question by:telecasteerrok
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ShineOn earned 2000 total points
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To flush DNS on a NetWare server, you need to go to the NetWare server that's running NAMED.NLM, and issue the following command: NAMED -PA.  This will purge the cache of all entries, which means all statically-defined entries will be there, but any "learned" entries will be gone whether expired or not.

When you say you can't access them by web or email, just by ip address, what do you mean?  Can you be more specific?  

Do you and your sister company usually have an always-on "vpn" connection going through the Internet, or do you simply send email through the Internet?

If the former, what kind of VPN do you have - is it a Novell BorderManager site-to-site VPN, or is it a hardware-based VPN, or what?

If you don't use a VPN, what exactly is the issue?  You say the sister company had a power outage, and since then you can't access their hosts by name, just by IP address, correct?  Who hosts the DNS for their location - is it a public DNS handled by their ISP, or is it self-managed public DNS?  Are you thinking that perhaps the ISP changed something and your DNS cache is pointing in the wrong place now?  If so, is it your problem or the ISP's problem?
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