Date: Tue, 25 Oct 2005 17:38:03 +0400 From: Igor Robul <igorr@speechpro.com> To: Mohan Singh <mohansingh68@gmail.com>, freebsd-questions@freebsd.org Subject: Re: telnetting/netcatting into a DNS server? Message-ID: <435E353B.4070609@speechpro.com> In-Reply-To: <48d803190510250633k93e3934n7f1dd2bca493e21e@mail.gmail.com> References: <48d803190510250633k93e3934n7f1dd2bca493e21e@mail.gmail.com>
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Mohan Singh wrote: >Whenever I need to test a mail/ssh/web server, I usually just telnet or nc >into the appropriate port, i.e.: > > $ echo "GET / " |nc -v yahoo.com 80 > > $ nc -v localhost 22 > Connection to localhost 22 port [tcp/ssh] succeeded! > SSH-1.99-OpenSSH_4.2 > >How would I connect to a nameserver and talk to it so I can know it is >working? I get as far as connecting to the port, but I don't know how to >make it send back anything meaningful. > > if you wish "know" your nameserver works, then nslookup - your.server.ip then try resolve some hostname/ip or host _name_to_resolve_ your.server.ip
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