diff --git a/group_vars/certbot.yml b/group_vars/certbot.yml
index 89ae3297a380dce3e51396f4cf4b428b9bcf2c40..3dd13db998ea06e82c28d11561aec33a5df745a6 100644
--- a/group_vars/certbot.yml
+++ b/group_vars/certbot.yml
@@ -1,6 +1,6 @@
 ---
 glob_certbot:
-  dns_rfc2136_server: '185.230.79.9'
+  dns_rfc2136_server: '172.16.10.147'
   dns_rfc2136_name: certbot_challenge.
   dns_rfc2136_secret: "{{ vault_certbot_dns_secret }}"
   mail: root@crans.org
diff --git a/roles/certbot/tasks/main.yml b/roles/certbot/tasks/main.yml
index 7ac568b9df6fbbb0565ebdc5651703b034c874d5..fbe6a6ae9989009b4ece12115b7c88b067feed0d 100644
--- a/roles/certbot/tasks/main.yml
+++ b/roles/certbot/tasks/main.yml
@@ -14,7 +14,7 @@
   set_fact:
     #dns_masters_ipv4: "{{ bind.masters | json_query('servers[].interface[?vlan_id==`2`].ipv4[]') }}"
     dns_masters_ipv4:
-      - "185.230.79.9"
+      - "172.16.10.147"
     cacheable: true
 
 - name: Add DNS credentials
@@ -36,4 +36,4 @@
     mode: 0644
 
 - name: Run certbot                                                                                      
-  command: certbot --non-interactive --config /etc/letsencrypt/conf.d/{{ certbot.certname }}.ini certonly
\ No newline at end of file
+  command: certbot --non-interactive --config /etc/letsencrypt/conf.d/{{ certbot.certname }}.ini certonly