Re: [suporte] Re: [Exim] DNS MX Error

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Autor: Exim Users Mailing List
Datum:  
To: Paulo Henrique Baptista de Oliveira
CC: root, suporte, exim-users, gward
Betreff: Re: [suporte] Re: [Exim] DNS MX Error
[ On Monday, October 15, 2001 at 17:43:09 (-0200), Paulo Henrique Baptista de Oliveira wrote: ]
> Subject: Re: [suporte] Re: [Exim] DNS MX Error
>
>
>     at server A I got exactly the same output than you and at server B I
> got the following strange error:

>
> internet:~# host -t MX telemar-rj.com.br
> telemar-rj.com.br       MX    1 mailgwo01.telemar.com.br
> telemar-rj.com.br       MX    0 mailgwi01.telemar.com.br
> internet:~# host mailgwo01.telemar.com.br
> mailgwo01.telemar.com.br does not exist, try again
> internet:~# host mailgwo01.telemar.com.br
> mailgwo01.telemar.com.br does not exist, try again
> internet:~# host mailgwi01.telemar.com.br
> mailgwi01.telemar.com.br does not exist, try again

>
>     So, what is wrong?


Your version of 'host' is antique.

$ host -V
host version 991529

Get the newest one at: ftp://ftp.nikhef.nl/pub/network/host.tar.Z

$ host -t mx telemar-rj.com.br
telemar-rj.com.br       MX      1 mailgwo01.telemar.com.br
 !!! telemar-rj.com.br MX host mailgwo01.telemar.com.br is not canonical
telemar-rj.com.br       MX      0 mailgwi01.telemar.com.br
 !!! telemar-rj.com.br MX host mailgwi01.telemar.com.br is not canonical



The target hostnames of MX RRs _MUST_ be canonical hostnames, i.e. names
that when resolved in the DNS return A RRs.


Note also the illegal SOA contact address field:

$ host -C telemar-rj.com.br
telemar-rj.com.br       NS      MARTE.telemar-rj.com.br
venus.telemar.com.br    root\@telemar-rj.com.br (2001100101 10800 600 691200 43200)
 !!! telemar-rj.com.br SOA primary venus.telemar.com.br is not advertised via NS
telemar-rj.com.br       NS      VENUS.telemar-rj.com.br
venus.telemar.com.br    root\@telemar-rj.com.br (2001100101 10800 600 691200 43200)



that should be:

venus.telemar.com.br    root.telemar-rj.com.br (2001100101 10800 600 691200 43200)


-- 
                            Greg A. Woods


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