diff --git a/data/hostname/rancher-node-production-worker01.internal.softwareheritage.org.yaml b/data/hostname/rancher-node-production-worker01.internal.softwareheritage.org.yaml
index 05f236be..82a9979c 100644
--- a/data/hostname/rancher-node-production-worker01.internal.softwareheritage.org.yaml
+++ b/data/hostname/rancher-node-production-worker01.internal.softwareheritage.org.yaml
@@ -1,7 +1,8 @@
 # local cache is not compatible with rancher in docker
 dns::local_cache: false
 dns::nameservers:
   - 192.168.100.29
+  - 192.168.200.22
 
 icinga2::host::vars:
   load: high
diff --git a/data/hostname/rancher-node-production-worker02.internal.softwareheritage.org.yaml b/data/hostname/rancher-node-production-worker02.internal.softwareheritage.org.yaml
index 05f236be..82a9979c 100644
--- a/data/hostname/rancher-node-production-worker02.internal.softwareheritage.org.yaml
+++ b/data/hostname/rancher-node-production-worker02.internal.softwareheritage.org.yaml
@@ -1,7 +1,8 @@
 # local cache is not compatible with rancher in docker
 dns::local_cache: false
 dns::nameservers:
   - 192.168.100.29
+  - 192.168.200.22
 
 icinga2::host::vars:
   load: high
diff --git a/data/hostname/rancher-node-production-worker03.internal.softwareheritage.org.yaml b/data/hostname/rancher-node-production-worker03.internal.softwareheritage.org.yaml
index 05f236be..82a9979c 100644
--- a/data/hostname/rancher-node-production-worker03.internal.softwareheritage.org.yaml
+++ b/data/hostname/rancher-node-production-worker03.internal.softwareheritage.org.yaml
@@ -1,7 +1,8 @@
 # local cache is not compatible with rancher in docker
 dns::local_cache: false
 dns::nameservers:
   - 192.168.100.29
+  - 192.168.200.22
 
 icinga2::host::vars:
   load: high
diff --git a/data/hostname/rancher-node-production-worker04.internal.softwareheritage.org.yaml b/data/hostname/rancher-node-production-worker04.internal.softwareheritage.org.yaml
index 05f236be..82a9979c 100644
--- a/data/hostname/rancher-node-production-worker04.internal.softwareheritage.org.yaml
+++ b/data/hostname/rancher-node-production-worker04.internal.softwareheritage.org.yaml
@@ -1,7 +1,8 @@
 # local cache is not compatible with rancher in docker
 dns::local_cache: false
 dns::nameservers:
   - 192.168.100.29
+  - 192.168.200.22
 
 icinga2::host::vars:
   load: high