Raspberry Pi Authoritative DNS Server: Difference between revisions

Revision as of 03:42, 12 August 2019

Domain Information

Domain       : shahed.biz
Name Server  : ns8533.hostgator.com
Name Server  : ns8534.hostgator.com
Subdomain    : dev.shahed.biz (public)
CNAME of dev : cki00.ddns.net (noip.com)

Netowrk Information

GTW : 10.19.83.1    (Gateway/Router)
DMZ : 10.19.83.3    (dev.shahed.biz  & Name server)
LAN : 10.19.83.0/24 (Private network & range 0~255)

Install

sudo su
apt update && apt upgrade
apt install bind9 bind9utils bind9-doc dnsutils
#apt purge  bind9 bind9utils bind9-doc dnsutils
nano /etc/default/bind9

# run resolvconf?
RESOLVCONF=no

# startup options for the server
OPTIONS="-u bind -4"

Options

nano /etc/bind/named.conf.options

acl internals {
        127.0.0.0/24;  # 0-255
        10.19.83.0/24; # 0-255
};

acl externals {
        10.19.83.0/29;  # 0-7
        !10.19.83.0/24; # 0-255
};

options {
        directory "/var/cache/bind";
        auth-nxdomain no;
        forwarders {
                8.8.8.8;    # Google DNS
                8.8.4.4;    # Google DNS
                10.19.83.1; # Router DNS
        };
        dnssec-validation auto;
        listen-on-v6 { none; };
        listen-on port 53 {
                127.0.0.1;
                10.19.83.3;
        };
        allow-transfer { none; };
        allow-query { internals; };
        allow-recursion { internals; };
};

Keygen

dnssec-keygen -K /etc/bind/ddnskeys -C -a HMAC-MD5 -b 128 -n USER ddn.dev.shahed.biz

Zones

nano /etc/bind/named.conf.local

include "/etc/bind/rndc.key";
zone "dev.shahed.biz" {
    type master;
    file "/etc/bind/zones/db.dev.shahed.biz";     # zone file path
    allow-update { key rndc-key; };
};

zone "83.19.10.in-addr.arpa" {
    type master;
    file "/etc/bind/zones/db.83.19.10";           # 10.19.83.0/24 subnet
    allow-update { key rndc-key; };
};

zone "ddn.dev.shahed.biz" {
        type master;
        file "/etc/bind/zones/db.ddn.dev.shahed.biz";
        notify yes;
        allow-update { key ddn.dev.shahed.biz.; };
        allow-query { any; };
};

key ddn.dev.shahed.biz. {
        algorithm HMAC-MD5;
        secret "RJkf2z/uhy4Fec8j0/nP0g==";
};
// consider adding the 1918 zones here
// include "/etc/bind/zones.rfc1918";

Forward Lookup Zone

mkdir /etc/bind/zones
cp /etc/bind/db.local /etc/bind/zones/db.dev.shahed.biz
nano /etc/bind/zones/db.dev.shahed.biz

;
; BIND forward data file
;
$TTL     600    ;  10M
$ORIGIN dev.shahed.biz.

@       IN      SOA     ns0.dev.shahed.biz. root.dev.shahed.biz. (
                        201908121           ; Serial       YYYYmmddI
                             3600           ; Refresh            01H
                              600           ; Retry              10M
                            86400           ; Expire             01D
                              600 )         ; Negative Cache TTL 10M
; NS Records
@       IN      NS      ns0.dev.shahed.biz.
@       IN      NS      ns8533.hostgator.com.
@       IN      NS      ns8534.hostgator.com.
@       IN      NS      dev.shahed.biz.
@       IN      A       10.19.83.3
; A  Records
apn             A       10.19.83.2
gtw             A       10.19.83.1
mac             A       10.19.83.10
ns0             A       10.19.83.3
one             A       10.19.83.8
rai             A       10.19.83.6
ras             A       10.19.83.3
rus             A       10.19.83.12
sha             A       10.19.83.11
; CNAME
ftp             CNAME   ns0
rpi             CNAME   ns0

Reverse Lookup Zone

cp /etc/bind/db.127 /etc/bind/zones/db.83.19.10
nano /etc/bind/zones/db.83.19.10

;
; BIND reverse data file
;
$TTL     600    ; 10M
$ORIGIN 83.19.10.in-addr.arpa.

@       IN      SOA     ns0.dev.shahed.biz. root.dev.shahed.biz. (
                        201908121           ; Serial       YYYYmmddI
                             3600           ; Refresh            01H
                              600           ; Retry              10M
                            86400           ; Expire             01D
                              600 )         ; Negative Cache TTL 10M
; NS  Records
@       IN      NS      ns0.dev.shahed.biz.
@       IN      NS      ns8533.hostgator.com.
@       IN      NS      ns8534.hostgator.com.
@       IN      NS      dev.shahed.biz.
; PTR Records
1.83    IN      PTR     gtw.dev.shahed.biz.
2.83    IN      PTR     apn.dev.shahed.biz.
3.83    IN      PTR     dev.shahed.biz.
3.83    IN      PTR     ftp.dev.shahed.biz.
3.83    IN      PTR     ns0.dev.shahed.biz.
3.83    IN      PTR     rpi.dev.shahed.biz.
6.83    IN      PTR     rai.dev.shahed.biz.
3.83    IN      PTR     ras.dev.shahed.biz.
8.83    IN      PTR     one.dev.shahed.biz.
10.83   IN      PTR     mac.dev.shahed.biz.
11.83   IN      PTR     sha.dev.shahed.biz.
12.83   IN      PTR     rus.dev.shahed.biz.

DDNS Forward Zone

cp /etc/bind/db.local /etc/bind/zones/db.ddn.dev.shahed.biz
nano /etc/bind/zones/db.ddn.dev.shahed.biz

;
; BIND forward data file for ddn.dev.shahed.biz
;
$ORIGIN .
$TTL     600                ; 10M
ddn.dev.shahed.biz      IN SOA  ns0.dev.shahed.biz. root.ddn.dev.shahed.biz. (
                                201908121           ; serial       YYYYmmddI
                                      600           ; refresh            10M
                                     7200           ; retry              02H
                                   604800           ; expire             01W
                                      600 )         ; Negative Cache TTL 10M
                        NS      ns0.dev.shahed.biz.
                        A       10.19.83.3

Server

named-checkconf -z
named-checkzone ddn.dev.shahed.biz /etc/bind/zones/db.ddn.dev.shahed.biz
named-checkzone dev.shahed.biz /etc/bind/zones/db.dev.shahed.biz
named-checkzone 83.19.10.in-addr.arpa /etc/bind/zones/db.83.19.10

update-rc.d bind9 enable
/etc/init.d/bind9 restart
service bind9 restart
netstat -tulpn
netstat -tap
reboot

rndc dumpdb -cache
rndc flush
rndc reload

Client

nano /etc/resolv.conf

nameserver 10.19.83.3
search dev.shahed.biz

nano /etc/hosts

10.19.83.3      dev.shahed.biz dev
10.19.83.3      ddn.dev.shahed.biz ddn
10.19.83.3      ras.dev.shahed.biz ras
10.19.83.3      rpi.dev.shahed.biz rpi

DDNS Client

$HOME/ddnsclient

#!/bin/bash
: '
 @author   "Chorke Academia, Inc."<devs@chorke.org>
 @vendor    Chorke Academia, Inc.
 @web       http://chorke.org
 @version   1.0.00.GA
 @since     1.0.00.GA
'

# http://zteo.com/posts/your-own-dynamic-dns-in-3-steps
# http://dynupdate.no-ip.com/ip.php
# http://www.antedes.com/getip.php
# http://checkip.dyndns.org

IPS='http://dynupdate.no-ip.com/ip.php'
DNSP='/etc/bind/ddnskeys'

while true; do
    # first, retrieve ipaddress
    CURIP=`curl -s $IPS | awk '{ print $1 }'`
    OLDIP=`cat $DNSP/oldip`

    # compare to previously saved ip
    [ "$CURIP" == "$OLDIP" ] && continue
    echo $CURIP > $DNSP/oldip

    # if different, tell dns
    echo "server dev.shahed.biz" > $DNSP/zone
    echo "zone ddn.dev.shahed.biz"  >> $DNSP/zone
    echo "update delete ddn.dev.shahed.biz. A"  >> $DNSP/zone
    echo "update add ddn.dev.shahed.biz. 86400 A $CURIP"  >> $DNSP/zone
    echo "show" >> $DNSP/zone
    echo "send" >> $DNSP/zone
    /usr/bin/nsupdate -k $DNSP/Kddn.dev.shahed.biz.+157+42903.private $DNSP/zone
    sleep 300 # (5M, 30M) = (300, 1800)
done

chmod 755 "$HOME/ddnsclient"
# nohup "$HOME/ddnsclient" &
nohup "$HOME/ddnsclient" 2>> /dev/null >> /dev/null &

Debug

@rem clear windows dns cache
ipconfig /flushdns
ipconfig /displaydns

# clear macos dns cache
sudo killall -HUP mDNSResponder

# clear ubuntu dns cache
sudo systemd-resolve --flush-caches
sudo systemd-resolve --statistics
#sudo /etc/init.d/dns-clean start

#from local area network
dig @10.19.83.3 shahed.biz
dig @10.19.83.3 dev.shahed.biz
dig @10.19.83.3 apn.dev.shahed.biz
dig @10.19.83.3 ddn.dev.shahed.biz
dig @10.19.83.3 gtw.dev.shahed.biz

#from horizon/world wide 
dig @dev.shahed.biz shahed.biz
dig @dev.shahed.biz -x 10.19.83.1
dig @dev.shahed.biz dev.shahed.biz
dig @dev.shahed.biz apn.dev.shahed.biz
dig @dev.shahed.biz ddn.dev.shahed.biz
dig @dev.shahed.biz gtw.dev.shahed.biz

#from lan only
nslookup shahed.biz
nslookup dev.shahed.biz
nslookup apn.dev.shahed.biz
nslookup ddn.dev.shahed.biz
nslookup gtw.dev.shahed.biz

References

Raspberry Pi Authoritative DNS Server: Difference between revisions

Revision as of 03:42, 12 August 2019

Contents

Install

Options

Keygen

Zones

Forward Lookup Zone

Reverse Lookup Zone

DDNS Forward Zone

Server

Client

DDNS Client

Debug

References

Navigation menu

Raspberry Pi Authoritative DNS Server: Difference between revisions

Revision as of 03:42, 12 August 2019

Install

Options

Keygen

Zones

Forward Lookup Zone

Reverse Lookup Zone

DDNS Forward Zone

Server

Client

DDNS Client

Debug

References

Navigation menu

Search