diff --git a/2001:910:1021::.zone b/2001:910:1021::.zone
index 3528254..94b3efa 100644
--- a/2001:910:1021::.zone
+++ b/2001:910:1021::.zone
@@ -1,6 +1,6 @@
 $TTL 60m
 @                     IN SOA   dns.libre-en-communs.org. contact.a-lec.org. (         
-                                2404241417 ; serial
+                                2404241420 ; serial
                                 86400      ; refresh (1 day)
                                 3600       ; retry (1 hour)
                                 3600000    ; expire (5 weeks 6 days 16 hours)
@@ -8,6 +8,7 @@ $TTL 60m
                                 )
 @                     IN NS    dns.libre-en-communs.org.
 @                     IN NS    ns0.libre-en-communs.org.
+@                     IN NS    ns1.libre-en-communs.org.
 
 
 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.2.0.1.0.1.9.0.1.0.0.2.ip6.arpa. 1h IN PTR leparc.libre-en-communs.org.