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Top Forums UNIX for Beginners Questions & Answers Bind: Can you configure multiple domains using the same nameserver Post 303039324 by LinuxGirl on Monday 30th of September 2019 09:20:03 PM

09-30-2019

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Bind: Can you configure multiple domains using the same nameserver

Can you add multiple domains to a nameserver without creating a new IP address? I have one IP address on my machine and have configured forward and reverse zone files. Names are resolving fine.

I know I can add another domain to the named.conf file and create new forward and reverse files. what name server IP would i add to the forward file for the second domain and how is it configured in the forward file? Also I have named my reverse file with the reverse of the first 3 octets of my system IP address. I need to change that and what should i use for the reverse zone names?

Code:

named.conf:

zone "myserver.com" {
        type master;
        file "fwd.myserver.com.db";
        allow-update { none; };
};

zone "xx.xx.xxx.in-addr.arpa" {
        type master;
        file "xx.xx.xxx.db";
        allow-update { none; };
};

zone "newdomain.com" {
        type master;
        file "fwd.newdomain.com.db";
        allow-update { none; };
};


/var/named:

cat fwd.myserver.com.db

$TTL 86400
@       IN      SOA     nameserver.myserver.com.     root.myserver.com.      (
                                10030   ;Serial
                                3600    ;Refresh
                                1800    ;Retry
                                604800  ;Expiry
                                86400   ;Minimum TTL
)
; Name Server
@       IN      NS      nameserver.myserver.com.
;A Record Definitions
nameserver	IN	A	xxx.xx.xx.xx
server1        IN      A	xxx.xx.xx.xx
server2      IN	A	xxx.xx.xx.xx

How do I configure the forward zone record for the newdomain? i have used the one system IP address for the name server in the myserver.com domain.

LinuxGirl

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ldns-walk

ldns-walk(1)						      General Commands Manual						      ldns-walk(1)

NAME

       ldns-walk - Retrieve the contents of a DNSSEC signed zone

SYNOPSIS

       ldns-walk [ OPTION ] ZONE

DESCRIPTION

       ldns-walk  is  used  to	retrieve  the  contents  of  a DNSSEC signed zone.  It does this through NSEC-walking (following the chain of NSEC
       records) and 'guessing' the next non-existent owner name for each NSEC.

       Note that it might get stuck on some wildcard records when used through a caching forwarder. This problem can be circumvented  by  querying
       the authoritative nameserver directly (with the @ argument).

       Of course the nameserver that is used must be DNSSEC-aware.

OPTIONS

       -4     Use only IPv4.

       -6     Use only IPv6.

       -f     Do  a  'full'  zone walk; by default, ldns-walk will only show the names, and types present at those names. If this option is given,
	      all resource records will be printed.

       -s name
	      Start the walk with this owner name. Useful when continuing the walk for a large zone.

       -v verbosity
	      Verbosity level [1-5].

       @ nameserver
	      Send the queries to this nameserver.

BUGS

       The full zone walk function is not complete yet, it does not correctly print delegation records

AUTHOR

       Written by Jelte Jansen as an example for ldns usage.

REPORTING BUGS

       Report bugs to <ldns-team@nlnetlabs.nl>.

COPYRIGHT

       Copyright (C) 2005 NLnet Labs. This is free software. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A  PARTICULAR  PUR-
       POSE.

								    21 Nov 2005 						      ldns-walk(1)