diff --git a/sio1/sisr1/20-dns/srv1/db.domaine.lan b/sio1/sisr1/20-dns/srv1/db.domaine.lan
new file mode 100644
index 0000000..6858f8c
--- /dev/null
+++ b/sio1/sisr1/20-dns/srv1/db.domaine.lan
@@ -0,0 +1,22 @@
+$ORIGIN .
+$TTL 38400      ; 10 hours 40 minutes
+domaine.lan         IN SOA  serv1.domaine.lan. root.serv1.domaine.lan. (
+                                2023030201 ; serial
+                                10800      ; refresh (3 hours)
+                                3600       ; retry (1 hour)
+                                604800     ; expire (1 week)
+                                38400      ; minimum (10 hours 40 minutes)
+                                )
+                        NS      serv1.domaine.lan.
+                        NS      serv2.domaine.lan.
+                      
+serv1.domaine.lan.     A 192.168.0.161
+serv2.domaine.lan.     A 192.168.0.160
+
+$ORIGIN domaine.lan.
+poste1             A       192.168.0.100
+poste2             A       192.168.0.101
+
+
+www            CNAME poste1.domaine.lan.
+
diff --git a/sio1/sisr1/20-dns/srv1/db.domaine.lan.rev b/sio1/sisr1/20-dns/srv1/db.domaine.lan.rev
new file mode 100644
index 0000000..4b27788
--- /dev/null
+++ b/sio1/sisr1/20-dns/srv1/db.domaine.lan.rev
@@ -0,0 +1,14 @@
+$TTL 38400	; 10 hours 40 minutes 
+@	IN SOA	serv1.domaine.lan. root.serv1.domaine.lan. (
+		2016091501 ; serial
+		10800      ; refresh (3 hours)
+		3600       ; retry (1 hour)
+		604800     ; expire (1 week)
+		38400      ; minimum (10 hours 40 minutes)
+	)
+	IN	NS	serv1.domaine.lan.
+	IN	NS	serv2.domaine.lan.
+
+61	IN	PTR	serv1.sio.lan.
+60	IN	PTR	serv2.sio.lan.
+14	IN      PTR     wd.sio.lan.
diff --git a/sio1/sisr1/20-dns/srv1/named.conf b/sio1/sisr1/20-dns/srv1/named.conf
new file mode 100644
index 0000000..880786a
--- /dev/null
+++ b/sio1/sisr1/20-dns/srv1/named.conf
@@ -0,0 +1,11 @@
+// This is the primary configuration file for the BIND DNS server named.
+//
+// Please read /usr/share/doc/bind9/README.Debian.gz for information on the 
+// structure of BIND configuration files in Debian, *BEFORE* you customize 
+// this configuration file.
+//
+// If you are just adding zones, please do that in /etc/bind/named.conf.local
+
+include "/etc/bind/named.conf.options";
+include "/etc/bind/named.conf.local";
+include "/etc/bind/named.conf.default-zones";
diff --git a/sio1/sisr1/20-dns/srv1/named.conf.local b/sio1/sisr1/20-dns/srv1/named.conf.local
new file mode 100644
index 0000000..0832dba
--- /dev/null
+++ b/sio1/sisr1/20-dns/srv1/named.conf.local
@@ -0,0 +1,19 @@
+//
+// 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 directe
+        zone "domaine.lan" {
+             type master;
+             file "/etc/bind/db.domaine.lan";
+        };
+
+	// zone inverse 
+	zone "0.168.192.in-addr.arpa" {
+	     type master;
+             notify no;
+             file "/etc/bind/db.domaine.lan.rev";
+	};
diff --git a/sio1/sisr1/20-dns/srv1/resolv.conf b/sio1/sisr1/20-dns/srv1/resolv.conf
new file mode 100644
index 0000000..f3f4e3e
--- /dev/null
+++ b/sio1/sisr1/20-dns/srv1/resolv.conf
@@ -0,0 +1,4 @@
+search domaine.lan
+nameserver 10.121.38.7
+nameserver 127.0.0.1 #on ressoud localement
+