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Date:      Fri, 20 Apr 2001 16:49:57 -0300 (EST)
From:      Ronan Lucio <ronan@melim.com.br>
To:        stable@freebsd.org
Subject:   DNS look up
Message-ID:  <XFMail.010420164957.ronan@melim.com.br>

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Hi all,

Usualy when anyone type a command "host -a domain.com",
it show a result with the domain informations

>$ host -a hotmail.com
>Trying null domain
>rcode = 0 (Success), ancount=21
>The following answer is not authoritative:
>The following answer is not verified as authentic by the server:
>hotmail.com     588 IN  SOA     ns1.hotmail.com dns.hotmail.com(
>                        2001041701      ;serial (version)
>                        10800   ;refresh period
>                        3600    ;retry refresh this often
>                        604800  ;expiration period
>                        1800    ;minimum TTL
>                        )
>hotmail.com     205 IN  A       64.4.52.7
>hotmail.com     205 IN  A       64.4.53.7
>hotmail.com     205 IN  A       64.4.54.7
>hotmail.com     205 IN  A       64.4.43.7
>hotmail.com     205 IN  A       64.4.44.7
>hotmail.com     205 IN  A       64.4.45.7
>hotmail.com     145 IN  NS      ns1.hotmail.com
>hotmail.com     145 IN  NS      ns3.hotmail.com
>hotmail.com     145 IN  NS      ns1.jsnet.com
>hotmail.com     1729 IN MX      10 mc6.law13.hotmail.com
>hotmail.com     1729 IN MX      10 mc4.law5.hotmail.com
>hotmail.com     1729 IN MX      10 mc5.law5.hotmail.com
>hotmail.com     1729 IN MX      10 mc6.law5.hotmail.com
>hotmail.com     1729 IN MX      10 mc1.law5.hotmail.com
>hotmail.com     1729 IN MX      10 mc2.law5.hotmail.com
>hotmail.com     1729 IN MX      10 mc1.law13.hotmail.com
>hotmail.com     1729 IN MX      10 mc2.law13.hotmail.com
>hotmail.com     1729 IN MX      10 mc3.law13.hotmail.com
>hotmail.com     1729 IN MX      10 mc4.law13.hotmail.com
>hotmail.com     1729 IN MX      10 mc5.law13.hotmail.com
>For authoritative answers, see:
>hotmail.com     145 IN  NS      ns1.hotmail.com
>hotmail.com     145 IN  NS      ns3.hotmail.com
>hotmail.com     145 IN  NS      ns1.jsnet.com

But, some domains don't return it:

>$ host -a freebsd.org
>Trying null domain
>rcode = 0 (Success), ancount=6
>The following answer is not authoritative:
>The following answer is not verified as authentic by the server:
>freebsd.org     2503 IN NS      ns0.freebsd.org
>freebsd.org     2503 IN NS      ns1.root.com
>freebsd.org     2503 IN NS      ns1.iafrica.com
>freebsd.org     2503 IN NS      ns2.iafrica.com
>freebsd.org     2503 IN NS      ns.gnome.co.uk
>freebsd.org     2504 IN A       216.136.204.21
>For authoritative answers, see:
>freebsd.org     2503 IN NS      ns0.freebsd.org
>freebsd.org     2503 IN NS      ns1.root.com
>freebsd.org     2503 IN NS      ns1.iafrica.com
>freebsd.org     2503 IN NS      ns2.iafrica.com
>freebsd.org     2503 IN NS      ns.gnome.co.uk
>Additional information:
>ns0.freebsd.org 59611 IN        A       216.136.204.126
>ns1.root.com    59612 IN        A       209.102.106.178
>ns1.iafrica.com 77587 IN        A       196.7.0.139
>ns2.iafrica.com 77587 IN        A       196.7.142.133
>ns.gnome.co.uk  4746 IN A       193.243.228.142

Would anyone say me why it happen?
Sometimes I have a problem because my server
don't get to resolv the MX record, I think it may
be the problem.

Thank's

Ronan Lucio

----------------------------------
E-Mail: Ronan Lucio <ronan@melim.com.br>
Date: 20-Apr-01
Time: 16:39:16

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