diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index a42c86a19c..2e31d8036e 100644
--- a/inventory/group_vars/all
+++ b/inventory/group_vars/all
@@ -393,8 +393,8 @@ baseiptables: True
 # Most of our machines have manual resolv.conf files
 # These settings are for machines where NM is supposed to control resolv.conf.
 nm_controlled_resolv: False
-dns1: "10.5.126.21"
-dns2: "10.5.126.22"
+dns1: "10.3.163.33"
+dns2: "10.3.163.34"
 
 # This is a list of services that need to wait for VPN to be up before getting started.
 postvpnservices: []
diff --git a/inventory/group_vars/buildvm_s390x b/inventory/group_vars/buildvm_s390x
index 2956dbf343..0294644e26 100644
--- a/inventory/group_vars/buildvm_s390x
+++ b/inventory/group_vars/buildvm_s390x
@@ -8,15 +8,15 @@ vmhost: buildvmhost-s390x-01.s390.fedoraproject.org
 gw: 10.16.0.254
 main_bridge: vmbr
 volgroup: /dev/fedora_linux_lpar_1
-ks_url: http://10.5.126.23/repo/rhel/ks/buildvm-fedora-31-s390x
-ks_repo: http://10.5.126.23/pub/fedora-secondary/releases/31/Server/s390x/os/
-dns: 10.5.126.21
+ks_url: http://10.3.163.35/repo/rhel/ks/buildvm-fedora-31-s390x
+ks_repo: http://10.3.163.35/pub/fedora-secondary/releases/31/Server/s390x/os/
+dns: 10.3.163.33
 nm: 255.255.255.0
 virt_install_command: "{{ virt_install_command_s390x_one_nic }}"
 
 ansible_ifcfg_blacklist: True
 createrepo: False
-host_group: kojibuilder
+host_group: kojibuilder_iad2
 fas_client_groups: sysadmin-releng
 sudoers: "{{ private }}/files/sudo/00releng-sudoers"
 
diff --git a/inventory/group_vars/buildvm_s390x_stg b/inventory/group_vars/buildvm_s390x_stg
index b3663c5adf..3a64fddf68 100644
--- a/inventory/group_vars/buildvm_s390x_stg
+++ b/inventory/group_vars/buildvm_s390x_stg
@@ -1,7 +1,7 @@
 ---
 ansible_ifcfg_blacklist: True
 createrepo: False
-host_group: kojibuilder
+host_group: kojibuilder_iad2
 fas_client_groups: sysadmin-releng
 sudoers: "{{ private }}/files/sudo/00releng-sudoers"
 ks_url: http://10.5.126.23/repo/rhel/ks/buildvm-fedora-31-s390x
diff --git a/roles/base/files/resolv.conf/kojibuilder b/roles/base/files/resolv.conf/kojibuilder
index c2f1098249..379abdade9 100644
--- a/roles/base/files/resolv.conf/kojibuilder
+++ b/roles/base/files/resolv.conf/kojibuilder
@@ -1,4 +1,4 @@
-search phx2.fedoraproject.org vpn.fedoraproject.org fedoraproject.org
-nameserver 10.5.126.21
-nameserver 10.5.126.22
+search iad2.fedoraproject.org vpn.fedoraproject.org fedoraproject.org
+nameserver 10.3.163.33
+nameserver 10.3.163.34
 options rotate timeout:1