Re: How to Setup a Name Servers visible on Internet?

Metropolitan College <Eric Kom> Fri, 17 Jun 2011 15:47:32 -0700

On 17/06/2011 16:16, Michelle Konzack wrote:

Hello Eric Kom,

are you sure, you want this:

ns1     IN      A       41.134.194.90
ns2     IN      A       41.134.194.91
ns1     IN      A       10.0.0.80
ns2     IN      A       10.0.0.82

I use to run DNS on LAN without really care, since I decided to run my own, I was thinking that add a private IPs going to resolve both side (LAN and Internet) that's why the private IPs are in the configs files.

This results in a round-robing and I would not get in 50% of  all  cases
the right domain.

www     IN      A       10.0.0.81
www     IN      A       10.0.0.82
mail    IN      A       10.0.0.84
backup  IN      A       10.0.0.102

So please can I just removed the LAN IPs?

It's Bind gonna resolve also for a local looking up if my connection is down?

How can someone reach your Web- and Mail-Server, if you have setup  them
in a private network?

ftp     IN      CNAME   www
img     IN      CNAME   www
*       IN      CNAME   www
imap    IN      CNAME   mail
pop     IN      CNAME   mail
pop3    IN      CNAME   mail
smtp    IN      CNAME   mail

Are you sure, this is working?  The "*" wildcard  will  even  catch  the
"imap", "pop", "pop3" and "smtp" hosts and redirect them to "www"

I put the asterisk (*) in my config file just in case where if any subdomain none specified, bind must look up for www subdomain without complaint showing the error "server not found".

80              IN      PTR     ns1.metropolitanbuntu.co.za.
82              IN      PTR     ns2.metropolitanbuntu.co.za.
81              IN      PTR     www.metropolitanbuntu.co.za.
102             IN      PTR     backup.metropolitanbuntu.co.za.
108             IN      PTR     printer-server.metropolitanbuntu.co.za.
31              IN      PTR     ldap.metropolitanbuntu.co.za.

How should this work?  are the servers only accessibel  from  the  local
and private network?

No!
That is for the local reserve PTR.

Please see below for the internet reverse PTR:

File: 194.134.41.in-addr.arpa:

$TTL 3H
194.134.41.in-addr.arpa.        IN      SOA     ns1.metropolitanbuntu.co.za.    postmaster.metropolitanbuntu.co.za.     (
                                5               ; serial
                                3600            ; refresh
                                900             ; retry
                                1209600         ; expire
                                43200)          ; default_TTL
;
194.134.41.in-addr.arpa.        IN      NS      ns1.metropolitanbuntu.co.za.
194.134.41.in-addr.arpa.        IN      NS      ns2.metropolitanbuntu.co.za.
;
90              IN      PTR     ns1.metropolitanbuntu.co.za.
91              IN      PTR     ns2.metropolitanbuntu.co.za.

Thanks, Greetings and nice Day/Evening
    Michelle Konzack


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-- 
--  
You Truly

Eric Kom

System Administrator - Metropolitan College

2 Hennie Van Till, White River, 1240
Tel: 013 750 2255 | Fax: 013 750 0105 | Cell: 078 879 1334
eric...@kom.za.net | eric...@namekom.co.za | eric...@erickom.co.za
www.kom.za.net | www.kom.za.org | www.erickom.co.za 

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Re: How to Setup a Name Servers visible on Internet?

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