diff --git a/sio1/sisr1/20-dns/db. b/sio1/sisr1/20-dns/db.
new file mode 100644
index 0000000..59bb79c
--- /dev/null
+++ b/sio1/sisr1/20-dns/db.
@@ -0,0 +1,2 @@
+\n
+.
diff --git a/sio1/sisr1/20-dns/db.domaine.lan b/sio1/sisr1/20-dns/db.domaine.lan
index f80cd3c..7099558 100644
--- a/sio1/sisr1/20-dns/db.domaine.lan
+++ b/sio1/sisr1/20-dns/db.domaine.lan
@@ -17,3 +17,4 @@ srv2	IN	A	192.168.0.124
 poste1	IN      A	192.168.0.122
 poste2  IN	A	192.168.0.123
         
+.
diff --git a/sio1/sisr1/20-dns/db.domaine.lan.rev b/sio1/sisr1/20-dns/db.domaine.lan.rev
index 6ab7ba8..80bdf61 100644
--- a/sio1/sisr1/20-dns/db.domaine.lan.rev
+++ b/sio1/sisr1/20-dns/db.domaine.lan.rev
@@ -17,3 +17,5 @@ $TTL    604800
 124     IN      PTR     srv2.domaine.lan.
 122     IN      PTR     poste1.domaine.lan.
 123	IN	PTR	poste2.domaine.lan.
+
+.
diff --git a/sio1/sisr1/20-dns/named.conf b/sio1/sisr1/20-dns/named.conf
index 880786a..0da2041 100644
--- a/sio1/sisr1/20-dns/named.conf
+++ b/sio1/sisr1/20-dns/named.conf
@@ -9,3 +9,5 @@
 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/named.conf.local b/sio1/sisr1/20-dns/named.conf.local
index fbf0ccd..5f5ae12 100644
--- a/sio1/sisr1/20-dns/named.conf.local
+++ b/sio1/sisr1/20-dns/named.conf.local
@@ -18,3 +18,5 @@
              notify no;
              file "/etc/bind/db.domaine.lan.rev";
 	};
+
+.
diff --git a/sio1/sisr1/20-dns/resolv.conf b/sio1/sisr1/20-dns/resolv.conf
index f8b6474..20454ee 100644
--- a/sio1/sisr1/20-dns/resolv.conf
+++ b/sio1/sisr1/20-dns/resolv.conf
@@ -1,3 +1,5 @@
 domain  domaine.lan
 search  domaine.lan
 nameserver 127.0.0.1
+
+.