Configuration d’un serveur DNS : bind 9

lundi 29 juin 2009
par  Jerome ROBERT
popularité : 15%

Configuration d'un serveur DNS: bind 9

tester sous linux.

Création d'un utilisateur named qui aura comme HOME la valeur de Directory dans le fichier /etc/named.conf donc ici /var/named.
Attention il faut que /var/named appartienne à named ...

structure du domaine: admin-sys.com

domaine racine

sous domaine avec délégation

sous domaine avec délégation

serveur master 

serveur slave

client

admin-sys.com
@IP: 10.x.x.x

 

 

m.admin-sys.com
@ip: 10.0.0.10

s.admin-sys.com
@ip: 10.0.0.20

c.admin-sys.com
@ip: 10.0.0.30

 

bastia.admin-sys.com
@IP: 10.20.x.x

 

m.bastia.admin-sys.com
@ip: 10.20.0.10

s.bastia.admin-sys.com
@ip: 10.20.0.20

c.bastia.admin-sys.com
@ip: 10.20.0.30

 

papeete.admin-sys.com
@IP: 10.10.x.x

 

m.papeete.admin-sys.com
@ip: 10.10.0.10

s.papeete.admin-sys.com
@ip: 10.10.0.20

c.papeete.admin-sys.com
@ip: 10.10.0.30

 

 

plage.papeete.admin-sys.com
@IP: 10.10.2.x

m.plage.papeete.admin-sys.com
@ip: 10.10.2.10

 

c.plage.papeete.admin-sys.com
@ip: 10.10.2.30

 

A. Configuration du serveur de domaine:

 

1. serveur Master

  • fichier /etc/named.conf

Options {# réperoire pour les fichiers de data
        Directory "/var/named";
        allow-transfer {10.0.0.20;}; #adresse du serveur slave
};
zone "." {
        type hint;
        file "zone.root";# info sur la racine dns
        };
zone "0.0.127.in-addr.arpa."{# reverse for local loopback
        type master;
        file "zone.127.0.0";
};
zone "10.in-addr.arpa."{# reverse domain name
        type master;
        file "zone.10"; #rev dns file
        allow-transfer {10.0.0.20;};
};
zone "admin-sys.com"{# hosts in admin-sys.com
        type master;
        file "zone.admin-sys.com";
        allow-transfer {10.0.0.20;};
};
  • fichier /etc/resolv.conf

search admin-sys.com
nameserver 127.0.0.1

 

  • fichier /etc/nsswitch.conf

#
# /etc/nsswitch.conf
#
# An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
#
# The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Legal entries are:
#
#       nisplus or nis+         Use NIS+ (NIS version 3)
#       nis or yp               Use NIS (NIS version 2), also called YP
#       dns                     Use DNS (Domain Name Service)
#       files                   Use the local files
#       db                      Use the local database (.db) files
#       compat                  Use NIS on compat mode
#       hesiod                  Use Hesiod for user lookups
#       [NOTFOUND=return]       Stop searching if not found so far
#
# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
#
# Example:
#passwd:    db files nisplus nis
#shadow:    db files nisplus nis
#group:     db files nisplus nis
...
#hosts:     db files nisplus nis dns
hosts:      files dns
#hosts:     dns files
...

 

Dans le répertoire /var/named/

 

  • fichier /var/named/zone.root

.       99999999        NS      m.admin-sys.com.
m.admin-sys.com.        IN      A       10.0.0.10

Car ce serveur est la racine du réseau privé.

 

  • fichier /var/named/zone.127.0.0

@  IN  SOA  m.admin-sys.com     root.m.admin-sys.com(
 2002102200     ; serial
 10800          ; refresh rate
 1800           ; retry
 604800         ; expire
 86400  )       ; ttl
        IN      NS      m.admin-sys.com.
1       IN      PTR     localhost.

 

  • fichier /var/named/zone.admin-sys.com

@  IN  SOA  m.admin-sys.com  root.m.admin-sys.com(
 2002102200     ; serial number
 10800          ; refresh rate
 1800           ; retry
 604800         ; expire
 86400  )       ; ttl
                IN      NS      m.admin-sys.com.
                IN      NS      s.admin-sys.com.
; delegate le sous domaine papeete
papeete.admin-sys.com.          IN      NS      m.papeete.admin-sys.com.
m.papeete.admin-sys.com.        IN      A       10.10.0.10
; delegate le sous domaine bastia
bastia.admin-sys.com.           IN      NS      m.bastia.admin-sys.com.
m.bastia.admin-sys.com. IN      A       10.20.0.10
m               IN      A       10.0.0.10
s               IN      A       10.0.0.20
c               IN      A       10.0.0.30
localhost       IN      A       127.0.0.1

 

  • fichier /var/named/zone.10

@  IN  SOA  m.admin-sys.com     root.m.admin-sys.com(
 2002102200     ; serial
 10800          ; refresh rate
 1800           ; retry
 604800         ; expire
 86400  )       ; ttl
                IN      NS      m.admin-sys.com.
                IN      NS      s.admin-sys.com.
10.0.0  IN      PTR     m.admin-sys.com.
20.0.0  IN      PTR     s.admin-sys.com.
30.0.0  IN      PTR     c.admin-sys.com.
#délégation
0.10.10-in-addr.arpa.   IN      NS      m.papeete.admin-sys.com.
0.20.10-in-addr.arpa.   IN      NS      m.bastia.admin-sys.com.

 

2. serveur Slave:

 

  • fichier /etc/named.conf:

Options {# home directory for local zone files
        Directory "/var/named";
};
zone "." {
        type hint;
        file "zone.root"; # zone file containing the cache hints
};
zone "0.0.127.in-addr.arpa." {# reverse for local loopback
        type master;
        file "zone.127.0.0";
};
zone "10.in-addr.arpa." {
        type slave;
        file "zone.10"; # domain reverse data
        masters {10.0.0.10;}; # the master's IP address
};
zone "admin-sys.com" {
        type slave;
        file "zone.admin-sys.com"; # domain hostname data
        masters {10.0.0.10;}; # the master's IP adress
};

 

  • fichier /etc/resolv.conf

search admin-sys.com
nameserver 10.0.0.20
nameserver 10.0.0.10

 

  • fichier /etc/nsswitch.conf

#
# /etc/nsswitch.conf
#
# An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
#
# The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Legal entries are:
#
#       nisplus or nis+         Use NIS+ (NIS version 3)
#       nis or yp               Use NIS (NIS version 2), also called YP
#       dns                     Use DNS (Domain Name Service)
#       files                   Use the local files
#       db                      Use the local database (.db) files
#       compat                  Use NIS on compat mode
#       hesiod                  Use Hesiod for user lookups
#       [NOTFOUND=return]       Stop searching if not found so far
#
# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
#
# Example:
#passwd:    db files nisplus nis
#shadow:    db files nisplus nis
#group:     db files nisplus nis
...
#hosts:     db files nisplus nis dns
hosts:      files dns
#hosts:     dns files
...

 

Le répertoire /var/named/

  • le fichier /var/named/zone.root

.       99999999        NS      m.admin-sys.com.
m.admin-sys.com.        IN      A       10.0.0.10

Car ce serveur est la racine du réseau privé. Si vous souhaitez aller sur le Web il faudra un serveur proxy.

 

  • fichier /var/named/zone.127.0.0

@  IN  SOA  s.admin-sys.com     root.s.admin-sys.com(
 2002102200     ; serial
 10800          ; refresh rate
 1800           ; retry
 604800         ; expire
 86400  )       ; ttl
        IN      NS      s.admin-sys.com.
1       IN      PTR     localhost.

 

Les fichiers zone.10 et zone.admin-sys.com seront copiés dans ce répertoire lors de la synchronisation.

 

B. Configuration du serveur de sous-domaine:

 

1. serveur Master: pour bastia

  • fichier /etc/named.conf

options { 
        directory "/var/named" ;
        allow-transfer { 10.0.20.20 ;};
};
zone "." in {
        type hint; 
        file "zone.root"; 
};
zone "0.0.127.in-addr.arpa." in {
        type master;
        file "zone.127.0.0";
};
zone "bastia.admin-sys.com." in { 
        type master; 
        file "domaine.bastia.admin-sys.com"; 
        allow-transfer { 10.20.0.20; };
};
zone "0.20.10.in-addr.arpa." in { 
        type master; 
        file "zone.10.20.0"; 
        allow-transfer { 10.20.0.20; };
};

 

  • fichier /etc/resolv.conf

search bastia.admin-sys.com
nameserver 10.20.0.10

 

  • fichier /etc/nsswitch.conf

#
# /etc/nsswitch.conf
#
# An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
#
# The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Legal entries are:
#
#       nisplus or nis+         Use NIS+ (NIS version 3)
#       nis or yp               Use NIS (NIS version 2), also called YP
#       dns                     Use DNS (Domain Name Service)
#       files                   Use the local files
#       db                      Use the local database (.db) files
#       compat                  Use NIS on compat mode
#       hesiod                  Use Hesiod for user lookups
#       [NOTFOUND=return]       Stop searching if not found so far
#
# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
#
# Example:
#passwd:    db files nisplus nis
#shadow:    db files nisplus nis
#group:     db files nisplus nis
...
#hosts:     db files nisplus nis dns
hosts:      files dns
#hosts:     dns files
...

 

Dans le répertoire /var/named/

 

  • fichier /var/named/zone.root

.       99999999        NS      m.admin-sys.com.
m.admin-sys.com.        IN      A       10.0.0.10

Car ce serveur est la racine du réseau privé.

 

  • fichier /var/named/zone.127.0.0

@ IN SOA m.bastia.admin-sys.com root.m.bastia.admin-sys.com (
        2002102300       ; serial number
        10800            ; refresh (3hrs)
        3600             ; retry (1hr)
        432000           ; expire (5days)
        86400 )          ; ttl (1day)
        IN      NS      m.bastia.admin-sys.com.
1       IN      PTR     localhost.

 

  • fichier /var/named/domaine.bastia.admin-sys.com

@ IN SOA m.bastia.admin-sys.com root.m.bastia.admin-sys.com (
        2002102301       ; serial number AAAAMMJJNN
        10800            ; refresh (3hrs)
        3600             ; retry (1hr)
        432000           ; expire (5days)
        86400 )          ; ttl (1day)
        IN      NS      m.bastia.admin-sys.com
        IN      NS      s.bastia.admin-sys.com
m.bastia.admin-sys.com.         IN      A       10.20.0.10
s.bastia.admin-sys.com. IN      A       10.20.0.20
c.bastia.admin-sys.com. IN      A       10.20.0.30

 

  • fichier /var/named/zone.10.20.0

@ IN SOA m.bastia.admin-sys.com root.m.bastia.admin-sys.com (
        2002102301       ; serial number AAAAMMJJNN
        10800            ; refresh (3hrs)
        3600             ; retry (1hr)
        432000           ; expire (5days)
        86400 )          ; ttl (1day)
        IN      NS      m.bastia.admin-sys.com.
        IN      NS      s.bastia.admin-sys.com.
10                      IN      PTR     m.bastia.admin-sys.com.
20                      IN      PTR     s.bastia.admin-sys.com.
30                      IN      PTR     c.bastia.admin-sys.com.

 

2. serveur Slave du sous-domaine: bastia

 

  • fichier /etc/named.conf:

options {
        directory       "/var/named";
};

zone    "." in  {
                type hint;
                file "zone.root";
};
zone    "0.0.127.in-addr.arpa." in  {
                type master;
                file "zone.127.0.0";
};
zone    "0.20.10.in-addr.arpa." in  {
                type slave;
                file "zone.10.20";
                masters { 10.20.0.10  ;} ;
};
zone    "bastia.admin-sys.com." in  {
                type slave;
file "domaine.bastia.admin-sys.com";
                masters { 10.20.0.10 ; };
};

 

  • fichier /etc/resolv.conf

search bastia.admin-sys.com
nameserver 10.20.0.20
nameserver 10.20.0.10

 

  • fichier /etc/nsswitch.conf

#
# /etc/nsswitch.conf
#
# An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
#
# The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Legal entries are:
#
#       nisplus or nis+         Use NIS+ (NIS version 3)
#       nis or yp               Use NIS (NIS version 2), also called YP
#       dns                     Use DNS (Domain Name Service)
#       files                   Use the local files
#       db                      Use the local database (.db) files
#       compat                  Use NIS on compat mode
#       hesiod                  Use Hesiod for user lookups
#       [NOTFOUND=return]       Stop searching if not found so far
#
# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
#
# Example:
#passwd:    db files nisplus nis
#shadow:    db files nisplus nis
#group:     db files nisplus nis
...
#hosts:     db files nisplus nis dns
hosts:      files dns
#hosts:     dns files
...

 

Le répertoire /etc/named/

  • le fichier /var/named/zone.root

.       99999999        NS      m.admin-sys.com.
m.admin-sys.com.        IN      A       10.0.0.10

Car ce serveur est la racine du réseau privé.

 

  • fichier /var/named/zone.127.0.0

@  IN  SOA  s.bastia.admin-sys.com      root.s.bastia.admin-sys.com(
 2002102200     ; serial
 10800          ; refresh rate
 1800           ; retry
 604800         ; expire
 86400  )       ; ttl
        IN      NS      s.bastia.admin-sys.com.
1       IN      PTR     localhost.

 

Les fichiers zone.10.20.0 et domaine.bastia.admin-sys.com seront copiés dans ce répertoire lors de la synchronisation.

 

 

3. serveur Master pour le sous-domaine: papeete

  • fichier /etc/named.conf

options {
        directory "/var/named" ;
};
zone "." in {
        type hint; 
        file "zone.root"; 
}; 
zone "0.0.127.in-addr.arpa." in {
        type master;
        file "zone.127.0.0";
};
zone "papeete.admin-sys.com." in { 
        type master; 
        file "domaine.papeete.admin-sys.com"; 
        allow-update { 10.10.0.20; };
        notify  yes;
        allow-transfer { 10.10.0.20; };
}; 
zone "10.10.in-addr.arpa." in { 
        type master; 
        file "zone.10.10"; 
        notify  yes;
        allow-update { 10.10.0.20; };
}; 

 

  • fichier /etc/resolv.conf

search papeete.admin-sys.com 
nameserver 10.10.0.10

 

  • fichier /etc/nsswitch.conf

#
# /etc/nsswitch.conf
#
# An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
#
# The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Legal entries are:
#
#       nisplus or nis+         Use NIS+ (NIS version 3)
#       nis or yp               Use NIS (NIS version 2), also called YP
#       dns                     Use DNS (Domain Name Service)
#       files                   Use the local files
#       db                      Use the local database (.db) files
#       compat                  Use NIS on compat mode
#       hesiod                  Use Hesiod for user lookups
#       [NOTFOUND=return]       Stop searching if not found so far
#
# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
#
# Example:
#passwd:    db files nisplus nis
#shadow:    db files nisplus nis
#group:     db files nisplus nis
...
#hosts:     db files nisplus nis dns
hosts:      files dns
#hosts:     dns files
...

 

Dans le répertoire /var/named/

 

  • fichier /var/named/zone.root

.       99999999        NS      m.admin-sys.com.
m.admin-sys.com.        IN      A       10.0.0.10

Car ce serveur est la racine du réseau privé.

 

  • fichier /var/named/zone.127.0.0

@ IN SOA m.papeete.admin-sys.com root.m.papeete.admin-sys.com (
        2002102200       ; serial number
        10800            ; refresh (3hrs)
        3600             ; retry (1hr)
        432000           ; expire (5days)
        86400 )          ; ttl (1day)
        IN      NS      m.papeete.admin-sys.com.
1       IN      PTR     localhost.

 

  • fichier /var/named/domaine.papeete.admin-sys.com

@ IN SOA m.papeete.admin-sys.com root.m.papeete.admin-sys.com (
        2002102219       ; serial number
        10800            ; refresh (3hrs)
        3600             ; retry (1hr)
        432000           ; expire (5days)
        86400 )          ; ttl (1day)
                IN NS m.papeete.admin-sys.com.
                IN NS s.papeete.admin-sys.com.
m.papeete.admin-sys.com.        IN      A       10.10.0.10
s.papeete.admin-sys.com.        IN      A       10.10.0.20
c.papeete.admin-sys.com.        IN      A       10.10.0.30
o.papeete.admin-sys.com.        IN      A       10.10.0.40
plage.papeete.admin-sys.com.    IN      NS      m.plage.papeete.admin-sys.com.
m.plage.papeete.admin-sys.com.  IN      A       10.10.2.10

 

  • fichier /var/named/zone.10.10.0

@ IN SOA m.papeete.admin-sys.com root.m.papeete.admin-sys.com (
        2002102201       ; serial number
        10800            ; refresh (3hrs)
        3600             ; retry (1hr)
        432000           ; expire (5days)
        86400 )          ; ttl (1day)
                IN NS m.papeete.admin-sys.com.
                IN NS s.papeete.admin-sys.com.
2-in-addr.arpa. IN      NS      m.plage.papeete.admin-sys.com.
10.0                    IN      PTR     m.papeete.admin-sys.com.
20.0                    IN      PTR     s.papeete.admin-sys.com.
30.0                    IN      PTR     c.papeete.admin-sys.com.

 

4. serveur Slave du sous-domaine: papeete

 

  • fichier /etc/named.conf:

options {
        directory       "/var/named";
};

zone    "." in  {
                type hint;
                file "zone.root";
};
zone    "0.0.127.in-addr.arpa." in  {
                type master;
                file "zone.127.0.0";
};
zone    "0.10.10.in-addr.arpa." in  {
                type slave;
                file "zone.10.10";
                masters { 10.10.0.10  ;} ;
};
zone    "papeete.admin-sys.com." in  {
                type slave;
file "domaine.papeete.admin-sys.com";
                masters { 10.10.0.10 ; };
};

 

  • fichier /etc/resolv.conf

search papeete.admin-sys.com
nameserver 10.10.0.10

 

  • fichier /etc/nsswitch.conf

#
# /etc/nsswitch.conf
#
# An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
#
# The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Legal entries are:
#
#       nisplus or nis+         Use NIS+ (NIS version 3)
#       nis or yp               Use NIS (NIS version 2), also called YP
#       dns                     Use DNS (Domain Name Service)
#       files                   Use the local files
#       db                      Use the local database (.db) files
#       compat                  Use NIS on compat mode
#       hesiod                  Use Hesiod for user lookups
#       [NOTFOUND=return]       Stop searching if not found so far
#
# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
#
# Example:
#passwd:    db files nisplus nis
#shadow:    db files nisplus nis
#group:     db files nisplus nis
...
#hosts:     db files nisplus nis dns
hosts:      files dns
#hosts:     dns files
...

 

Le répertoire /etc/named/

  • le fichier /var/named/zone.root

.       99999999        NS      m.admin-sys.com.
m.admin-sys.com.        IN      A       10.0.0.10

Car ce serveur est la racine du réseau privé.

 

  • fichier /var/named/zone.127.0.0

@ IN SOA s.papeete.admin-sys.com root.s.papeete.admin-sys.com (
        2002102200       ; serial number
        10800            ; refresh (3hrs)
        3600             ; retry (1hr)
        432000           ; expire (5days)
        86400 )          ; ttl (1day)
        IN      NS      s.papeete.admin-sys.com.
1       IN      PTR     localhost.

 

Les fichiers zone.10.10.0 et domaine.papeete.admin-sys.com seront copiés dans ce répertoire lors de la synchronisation.

 

5. serveur Master pour le sous-domaine: plage.papeete

  • fichier /etc/named.conf

options{
directory "/var/named";
};
zone "." in {
        type hint ;
        file "zone.root" ;
        };
zone "plage.papeete.admin-sys.com" in {
        type master ;
        file "domaine.plage.papeete.admin-sys.com" ;
        };
zone "2.10.10.in-addr.arpa" in { #inverser l @ IP
        type master ;
        file "zone.10.10.2" ;
};
zone "0.0.127.in-add.arpa" in {
        type master ;
        file "zone.127.0.0" ;
};

 

  • fichier /etc/resolv.conf

nameserver 10.10.2.10

 

  • fichier /etc/nsswitch.conf

#
# /etc/nsswitch.conf
#
# An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
#
# The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Legal entries are:
#
#       nisplus or nis+         Use NIS+ (NIS version 3)
#       nis or yp               Use NIS (NIS version 2), also called YP
#       dns                     Use DNS (Domain Name Service)
#       files                   Use the local files
#       db                      Use the local database (.db) files
#       compat                  Use NIS on compat mode
#       hesiod                  Use Hesiod for user lookups
#       [NOTFOUND=return]       Stop searching if not found so far
#
# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
#
# Example:
#passwd:    db files nisplus nis
#shadow:    db files nisplus nis
#group:     db files nisplus nis
...
#hosts:     db files nisplus nis dns
hosts:      files dns
#hosts:     dns files
...

 

Dans le répertoire /var/named/

 

  • fichier /var/named/zone.root

.       99999999        NS      m.admin-sys.com.
m.admin-sys.com.        IN      A       10.0.0.10

Car ce serveur est la racine du réseau privé.

 

  • fichier /var/named/zone.127.0.0

@ IN SOA m.plage.papeete.admin-sys.com root.m.plage.papeete.admin-sys.com (
        2002102200       ; serial number
        10800            ; refresh (3hrs)
        3600             ; retry (1hr)
        432000           ; expire (5days)
        86400 )          ; ttl (1day)
        IN      NS      m.plage.papeete.admin-sys.com.
1       IN      PTR     localhost.

 

  • fichier /var/named/domaine.plage.papeete.admin-sys.com

@ IN SOA m.plage.papeete.admin-sys.com. root.m.plage.papeete.admin-sys.com. (
        1        ; serial number
        10800            ; refresh (3hrs)
        3600             ; retry (1hr)
        432000           ; expire (5days)
        86400 )          ; ttl (1day)
;
; serveur du domaine
;
        IN NS m.plage.papeete.admin-sys.com.
m.plage.papeete.admin-sys.com.  IN      A       10.10.2.10
c.plage.papeete.admin-sys.com.  IN      A       10.10.2.30

 

  • fichier /var/named/zone.10.10.2

@ IN SOA m.plage.papeete.admin-sys.com root.m.plage.papeete.admin-sys.com (
        2002102200       ; serial number
        10800            ; refresh (3hrs)
        3600             ; retry (1hr)
        432000           ; expire (5days)
        86400 )          ; ttl (1day)
                IN NS m.plage.papeete.admin-sys.com.
10                      IN      PTR     m.plage.papeete.admin-sys.com.
30                      IN      PTR     c.plage.papeete.admin-sys.com.

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