diff --git a/80.67.160.152-29::.zone b/80.67.160.152-29::.zone
index 2f9db4f..8402110 100644
--- a/80.67.160.152-29::.zone
+++ b/80.67.160.152-29::.zone
@@ -11,7 +11,7 @@ $TTL 60m
 @                     IN NS    ns1.libre-en-communs.org.
 
 ;; physical machines - leparc
-152     IN PTR   leparc.libre-en-communs.org.
+152     IN PTR   leparc.libre-en-communs.org.   ; also used by ns1
 159     IN PTR   leparc.libre-en-communs.org.
 
 ;; virtual machines
diff --git a/libre-en-communs.org.zone b/libre-en-communs.org.zone
index 7e7c18d..f696676 100644
--- a/libre-en-communs.org.zone
+++ b/libre-en-communs.org.zone
@@ -1,55 +1,53 @@
-$TTL 3600	; 1 hour
-libre-en-communs.org.	IN SOA	dns.libre-en-communs.org. contact.a-lec.org. (
-						2406172215 ; serial AAMMDDHHmm
-						86400      ; refresh (1 day)
-						3600       ; retry (1 hour)
-						3600000    ; expire (5 weeks 6 days 16 hours)
-						300        ; minimum (5 minutes)
-						)
-						NS	dns.libre-en-communs.org.
-						NS  ns0.libre-en-communs.org.
-						NS  ns1.libre-en-communs.org.
-						A	80.67.176.33
-						AAAA	2001:910:1021::
-						TXT	"v=spf1 a mx ip4:80.67.176.33 ip6:2001:910:1021::201 ~all"
+$TTL 3600    ; 1 hour
+libre-en-communs.org.     IN SOA    dns.libre-en-communs.org. contact.a-lec.org. (
+                            2406172339 ; serial AAMMDDHHmm
+                            86400      ; refresh (1 day)
+                            3600       ; retry (1 hour)
+                            3600000    ; expire (5 weeks 6 days 16 hours)
+                            300        ; minimum (5 minutes)
+                          )
+                          NS    dns.libre-en-communs.org.
+                          NS  ns0.libre-en-communs.org.
+                          NS  ns1.libre-en-communs.org.
+                          TXT    "v=spf1 a mx ip4:80.67.176.33 ip6:2001:910:1021::201 ~all"
 
 ;; physical machines - leparc
 
-leparc					A	80.67.176.33
-						AAAA	2001:910:1021::1
+leparc                    A       80.67.176.33
+                          AAAA    2001:910:1021::1
 
-mother					A	80.67.176.33
-						AAAA	2001:910:1021::2
+mother                    A       80.67.176.33
+                          AAAA    2001:910:1021::2
 
-aunt                    A       80.67.176.33
-                        AAAA    2001:910:1021::3
+aunt                      A       80.67.176.33
+                          AAAA    2001:910:1021::3
 
-sauvkipeu               AAAA    2001:910:1021::4
+sauvkipeu                 AAAA    2001:910:1021::4
 
 ;; physical machines - fontainebleau
 
-fontainebleau			A	80.67.176.40
-						AAAA	2001:910:1028::1
+fontainebleau             A       80.67.176.40
+                          AAAA    2001:910:1028::1
 
-anthea                  A       80.67.176.40
-                        AAAA    2001:910:1028::2
+anthea                    A       80.67.176.40
+                          AAAA    2001:910:1028::2
 
-aelita                  A       80.67.176.40
-                        AAAA    2001:910:1028::3
+aelita                    A       80.67.176.40
+                          AAAA    2001:910:1028::3
 
-gardefou                AAAA    2001:910:1028::5
+gardefou                  AAAA    2001:910:1028::5
 
 
 ;; virtual machines
 
-dns						A	    80.67.176.33
-                        AAAA    2001:910:1021::242
+dns                       A       80.67.176.33
+                          AAAA    2001:910:1021::242
 
-ns0                     A       80.67.176.40
-                        AAAA    2001:910:1028::53
+ns0                       A       80.67.176.40
+                          AAAA    2001:910:1028::53
 
-ns1                     A	      80.67.160.153
-                        AAAA    2001:910:1021::53
+ns1                       A       80.67.160.152
+                          AAAA    2001:910:1021::53
 
-isengard                A       80.67.176.33
-                        AAAA    2001:910:1021::155
+isengard                  A       80.67.176.33
+                          AAAA    2001:910:1021::155