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Date:      Thu, 13 May 1999 12:25:08 +0300
From:      Anand Buddhdev <arb@africaonline.co.ke>
To:        peter kok <peter@sweda.com.hk>
Cc:        freebsd <freebsd-questions@FreeBSD.ORG>
Subject:   Re: nslookup
Message-ID:  <19990513122508.I7886@africaonline.co.ke>
In-Reply-To: <373A4AD4.671086BD@sweda.com.hk>; from peter kok on Thu, May 13, 1999 at 11:45:24AM %2B0800
References:  <373A4AD4.671086BD@sweda.com.hk>

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On Thu, May 13, 1999 at 11:45:24AM +0800, peter kok wrote:

Get yourself a copy of "DNS and BIND" by Cricket Liu. You can order it from
O'Reilly publishing. This book is a must for anyone who wants to understand
DNS well. Alternatively, you may read up on DNS in any good book on TCP/IP.

To explain the meanings of these "symbols" would take too much space here.

> Hello all
> 
> i has a question about incoming mail  'name server timeout'
> 
> and i used command 'nslookup' to try to solve the problem
> and result as  follows:
> but i don't understand symbols, time, type A, class IN, and so on.
> 
> pls teach me or guide me how to understand
> thank you
> Peter
> 
> 
> nslookup
> >set debug
> > www.otenet.gr
> Server:  oliv1.ouhk.edu.hk
> Address:  192.207.91.2
> 
> ;; res_mkquery(0, www.otenet.gr, 1, 1)
> ------------
> Got answer:
>     HEADER:
>         opcode = QUERY, id = 37871, rcode = NOERROR
>         header flags:  response, want recursion, recursion avail.
>         questions = 1,  answers = 1,  authority records = 2,  additional
> = 2
> 
>     QUESTIONS:
>         www.otenet.gr, type = A, class = IN
>     ANSWERS:
>     ->  www.otenet.gr
>         internet address = 195.167.100.100
>         ttl = 86040 (23 hours 54 mins)
>     AUTHORITY RECORDS:
>     ->  otenet.gr
>         nameserver = ns1.otenet.gr
>         ttl = 86040 (23 hours 54 mins)
>     ->  otenet.gr
>         nameserver = ns2.otenet.gr
>         ttl = 86040 (23 hours 54 mins)
>     ADDITIONAL RECORDS:
>     ->  ns1.otenet.gr
>         internet address = 195.170.0.2
>         ttl = 86040 (23 hours 54 mins)
>     ->  ns2.otenet.gr
>         internet address = 195.170.2.1
>         ttl = 86040 (23 hours 54 mins)
> 
> ------------
> Non-authoritative answer:
> Name:    www.otenet.gr
> Address:  195.167.100.100
> 
> 
> 
> 
> 
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