diff --git a/sio1/02-dns/db.domaine.lan b/sio1/02-dns/db.domaine.lan
new file mode 100644
index 0000000..dd3c58d
--- /dev/null
+++ b/sio1/02-dns/db.domaine.lan
@@ -0,0 +1,21 @@
+;
+; BIND data file for local loopback interface
+;
+$TTL    604800
+domaine.lan.       IN      SOA     srv1.domaine.lan. root.srv1.domaine.lan.  (
+                              2         ; Serial
+                         604800         ; Refresh
+                          86400         ; Retry
+                        2419200         ; Expire
+                         604800 )       ; Negative Cache TTL
+
+;
+
+	      NS      srv1.domaine.lan.
+srv1.domaine.lan.     A  192.168.0.29
+srv2.domaine.lan.     A  192.168.0.41
+
+$ORIGIN domaine.lan.
+poste1				A	192.168.0.22
+www				CNAME poste1.domaine.lan.
+
diff --git a/sio1/02-dns/db.domaine.lan.rev b/sio1/02-dns/db.domaine.lan.rev
new file mode 100644
index 0000000..4d5a101
--- /dev/null
+++ b/sio1/02-dns/db.domaine.lan.rev
@@ -0,0 +1,19 @@
+;
+; BIND data file for local loopback interface
+;
+$TTL    604800
+@       IN      SOA     srv1.domaine.lan. root.domaine.lan. (
+                     2021022600         ; Serial
+                         604800         ; Refresh
+                          86400         ; Retry
+                        2419200         ; Expire
+                         604800 )       ; Negative Cache TTL
+;
+        IN      NS      srv1.domaine.lan.
+srv1.domaine.lan. A	192.168.0.29
+srv2.domaine.lan. A	192.168.0.41
+
+29	IN      PTR	srv1.domaine.lan.
+22	IN	PTR	poste1.domaine.lan.	
+41	IN	PTR	srv2.domaine.lan.
+
diff --git a/sio1/02-dns/named.conf.local b/sio1/02-dns/named.conf.local
new file mode 100644
index 0000000..6ab2f31
--- /dev/null
+++ b/sio1/02-dns/named.conf.local
@@ -0,0 +1,17 @@
+//
+// Do any local configuration here
+//
+
+// Consider adding the 1918 zones here, if they are not used in your
+// organization
+//include "/etc/bind/zones.rfc1918";
+zone "domaine.lan" {
+	type master;
+	file "/etc/bind/db.domaine.lan";
+};
+
+zone "0.168.192.in-addr.arpa" {
+	type master;
+	notify no;
+	file "/etc/bind/db.domaine.lan.rev";
+};		
diff --git a/sio1/02-dns/named.conf.options b/sio1/02-dns/named.conf.options
new file mode 100644
index 0000000..e562e68
--- /dev/null
+++ b/sio1/02-dns/named.conf.options
@@ -0,0 +1,24 @@
+options {
+	directory "/var/cache/bind";
+
+	// If there is a firewall between you and nameservers you want
+	// to talk to, you may need to fix the firewall to allow multiple
+	// ports to talk.  See http://www.kb.cert.org/vuls/id/800113
+
+	// If your ISP provided one or more IP addresses for stable 
+	// nameservers, you probably want to use them as forwarders.  
+	// Uncomment the following block, and insert the addresses replacing 
+	// the all-0's placeholder.
+
+	 forwarders {
+	 192.168.0.1;
+	 };
+
+	//========================================================================
+	// If BIND logs error messages about the root key being expired,
+	// you will need to update your keys.  See https://www.isc.org/bind-keys
+	//========================================================================
+	dnssec-validation no;
+
+	listen-on-v6 { any; };
+};