diff --git a/dns/zones/example.zone b/dns/zones/example.zone
index 00e5386..8c3e809 100644
--- a/dns/zones/example.zone
+++ b/dns/zones/example.zone
@@ -30,4 +30,3 @@ ns.destinataire.example.    A    172.31.0.53
 expediteur.example.         NS   ns.expediteur.example.
 ns.expediteur.example.      A    172.31.0.53
                             AAAA fd4a:8c4:c28b::53
-
diff --git a/dns/zones/example/expediteur.zone b/dns/zones/example/expediteur.zone
index 410dc90..4883eb7 100644
--- a/dns/zones/example/expediteur.zone
+++ b/dns/zones/example/expediteur.zone
@@ -16,7 +16,7 @@ $ORIGIN expediteur.example.
                             MX   10 mx.expediteur.example.
 
 ;; Politique SPF
-;                            TXT  "v=spf1 ip4:172.31.10.1 ip6:fd4a:8c4:c28b:1000::1 -all"
+;                            TXT  "v=spf1 ip4:172.31.0.20 ip6:fd4a:8c4:c28b:1000::1 -all"
 
 mx                          A    172.31.10.1
                             AAAA fd4a:8c4:c28b:1000::1
diff --git a/docker-compose.yml b/docker-compose.yml
index a128d89..cee8214 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -52,7 +52,7 @@ services:
       - 172.31.0.53
     networks:
       internal:
-        ipv4_address: 172.31.0.20
+        ipv4_address: 172.31.10.1
         ipv6_address: fd4a:8c4:c28b:1000::1
 
   recipient: