diff --git a/day01-image/config-drive/user-data b/day01-image/config-drive/user-data
index 639b0c3..f00c737 100644
--- a/day01-image/config-drive/user-data
+++ b/day01-image/config-drive/user-data
@@ -13,5 +13,5 @@
   - service sshd restart
 # speed up resolving, and not stuck on timeouts. One-shot changes
   - echo 'options timeout:1 attempts:4' >> /etc/resolv.conf
-  - echo 'nameserver 172.18.208.44' >> /etc/resolvconf/resolv.conf.d/base
+  - echo 'nameserver 172.18.176.6' >> /etc/resolvconf/resolv.conf.d/base
   - resolvconf -u
diff --git a/mirror-image/config-drive/user-data b/mirror-image/config-drive/user-data
index c021882..03ae499 100644
--- a/mirror-image/config-drive/user-data
+++ b/mirror-image/config-drive/user-data
@@ -14,5 +14,5 @@
 # speed up resolving, and not stuck on timeouts. One-shot changes
   - echo '127.0.0.1 ubuntu apt01' >> /etc/hosts
   - echo 'options timeout:1 attempts:4' >> /etc/resolv.conf
-  - echo 'nameserver 172.18.208.44' >> /etc/resolvconf/resolv.conf.d/base
+  - echo 'nameserver 172.18.176.6' >> /etc/resolvconf/resolv.conf.d/base
   - resolvconf -u
diff --git a/trymcp-day01-image/config-drive/user-data b/trymcp-day01-image/config-drive/user-data
index aa6ba9c..0ccaa3f 100644
--- a/trymcp-day01-image/config-drive/user-data
+++ b/trymcp-day01-image/config-drive/user-data
@@ -12,5 +12,5 @@
   - service sshd restart
 # speed up resolving, and not stuck on timeouts. One-shot changes
   - echo 'options timeout:1 attempts:4' >> /etc/resolv.conf
-  - echo 'nameserver 172.18.208.44' >> /etc/resolvconf/resolv.conf.d/base
+  - echo 'nameserver 172.18.176.6' >> /etc/resolvconf/resolv.conf.d/base
   - resolvconf -u
diff --git a/ubuntu-14.04/config-drive/user-data.yaml b/ubuntu-14.04/config-drive/user-data.yaml
index 03ddb4a..4be7ab1 100644
--- a/ubuntu-14.04/config-drive/user-data.yaml
+++ b/ubuntu-14.04/config-drive/user-data.yaml
@@ -14,5 +14,5 @@
 # speed up resolving, and not stuck on timeouts. One-shot changes
   - echo '127.0.0.1 ubuntu' >> /etc/hosts
   - echo 'options timeout:1 attempts:4' >> /etc/resolv.conf
-  - echo 'nameserver 172.18.208.44' >> /etc/resolvconf/resolv.conf.d/base
+  - echo 'nameserver 172.18.176.6' >> /etc/resolvconf/resolv.conf.d/base
   - resolvconf -u
diff --git a/ubuntu-16.04/config-drive/user-data b/ubuntu-16.04/config-drive/user-data
index 2e536cc..afa3c70 100644
--- a/ubuntu-16.04/config-drive/user-data
+++ b/ubuntu-16.04/config-drive/user-data
@@ -14,5 +14,5 @@
 # speed up resolving, and not stuck on timeouts. One-shot changes
   - echo '127.0.0.1 ubuntu' >> /etc/hosts
   - echo 'options timeout:1 attempts:4' >> /etc/resolv.conf
-  - echo 'nameserver 172.18.208.44' >> /etc/resolvconf/resolv.conf.d/base
+  - echo 'nameserver 172.18.176.6' >> /etc/resolvconf/resolv.conf.d/base
   - resolvconf -u
diff --git a/ubuntu-18.04/config-drive/user-data b/ubuntu-18.04/config-drive/user-data
index 2e536cc..afa3c70 100644
--- a/ubuntu-18.04/config-drive/user-data
+++ b/ubuntu-18.04/config-drive/user-data
@@ -14,5 +14,5 @@
 # speed up resolving, and not stuck on timeouts. One-shot changes
   - echo '127.0.0.1 ubuntu' >> /etc/hosts
   - echo 'options timeout:1 attempts:4' >> /etc/resolv.conf
-  - echo 'nameserver 172.18.208.44' >> /etc/resolvconf/resolv.conf.d/base
+  - echo 'nameserver 172.18.176.6' >> /etc/resolvconf/resolv.conf.d/base
   - resolvconf -u