Date: Sat, 28 Oct 2006 11:26:18 -0400 From: "Steve Bertrand" <iaccounts@ibctech.ca> To: "'David Banning'" <david+dated+1162436187.599fff@skytracker.ca> Cc: freebsd-questions@freebsd.org Subject: RE: how to know what DNS server is being used Message-ID: <20061028152602.2ABA043D6D@mx1.FreeBSD.org> In-Reply-To: <20061028025626.GA39172@skytracker.ca>
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> On my registrars site I have two DNS servers listing. How > would I know that 1) both are working. 2) which one is being used. 1) http://dnsreport.com 2) # tcpdump -n -i <iface> | grep .53 | grep domain.com (where domain.com == the domain I want to find out if the server is answering for) Generally, you can do this on all of your name servers, and get a good idea of which ones are handling DNS resolution at any particular time. Steve
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