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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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nsd-xfer

nsd-xfer(8)                                                         nsd 3.2.12                                                         nsd-xfer(8)

NAME

       nsd-xfer - AXFR client to transfer zones from a name server

SYNOPSIS

       nsd-xfer [-4] [-6] [-a address[@port]] [-p port] [-s serial] [-T tsiginfo] [-v] -z zone -f file servers

DESCRIPTION

       Nsd-xfer is program to transfer zones from a name server using AXFR.  NSD is a complete implementation of an authoritative DNS nameserver.

OPTIONS

       -4     Only send to IPv4 addresses.

       -6     Only send to IPv6 addresses.

       -a address[@port]
              Specify the source address (and port) to send from.

       -f file
              The file to store the zone in.

       -p port
              Specify the port to send to.

       -s serial
              Specify the serial of the current zone. The zone is only transferred if the master server has a zone with a greater serial number.

       -T tsiginfo
              Use  TSIG  to verify the zone transfer. The tsiginfo file must contain the TSIG key information. The file is removed upon successful
              reading of the key. The format of the tsiginfo file is described in the doc/README file (section 3.3).

       -v     Be more verbose.

       -z zone
              Specify the zone to receive.

       servers
              List of nameservers to try.

EXAMPLES

       To run this program the standard way type:

       # nsd-xfer -z foobar.cz -f foobar.cz.zone 1.2.3.4

SEE ALSO

       nsd(8), nsdc(8), nsd.conf(5), nsd-checkconf(8), nsd-notify(8), nsd-patch(8), zonec(8)

AUTHORS

       NSD was written by NLnet Labs and RIPE NCC joint team. Please see CREDITS file in the distribution for further details.

NLnet Labs                                                         jul 19, 2012                                                        nsd-xfer(8)