diff --git a/ct/openthread-br.sh b/ct/openthread-br.sh
index 7222e28ad..afff2823b 100644
--- a/ct/openthread-br.sh
+++ b/ct/openthread-br.sh
@@ -70,7 +70,9 @@ function update_script() {
     -DOTBR_BACKBONE_ROUTER=ON \
     -DOTBR_SYSTEMD_UNIT_DIR=/etc/systemd/system \
     -DOT_FIREWALL=ON \
+    -DOTBR_NAT64=ON \
     -DOT_POSIX_NAT64_CIDR="192.168.255.0/24" \
+    -DOTBR_DNS_UPSTREAM_QUERY=ON \
     ..
   $STD ninja
   $STD ninja install
@@ -101,6 +103,31 @@ EOF
   mv /etc/default/otbr-agent.bak /etc/default/otbr-agent
   msg_ok "Restored Configuration"
 
+  if [[ ! -f /etc/systemd/system/otbr-agent.service.d/10-otbr-post-start.conf ]]; then
+    msg_info "Configuring OpenThread Border Router post-start service"
+    cat <<'EOF' >/usr/local/bin/otbr-post-start.sh
+#!/bin/sh
+
+# OpenThread Border Router post-start script
+# Run custom commands for runtime configuration options
+
+# Wait for the otbr-agent service to be initialized
+#sleep 3
+
+# Configure routing and translation features
+#ot-ctl nat64 enable
+#ot-ctl dns server upstream enable
+EOF
+    chmod +x /usr/local/bin/otbr-post-start.sh
+    mkdir -p /etc/systemd/system/otbr-agent.service.d
+    cat <<'EOF' >/etc/systemd/system/otbr-agent.service.d/10-otbr-post-start.conf
+[Service]
+ExecStartPost=/usr/local/bin/otbr-post-start.sh
+EOF
+    systemctl daemon-reload
+    msg_ok "Configured OpenThread Border Router post-start service"
+  fi
+
   msg_info "Starting Services"
   systemctl start otbr-agent
   systemctl start otbr-web
diff --git a/install/openthread-br-install.sh b/install/openthread-br-install.sh
index a36c5fe1f..fb9dc2d56 100644
--- a/install/openthread-br-install.sh
+++ b/install/openthread-br-install.sh
@@ -66,7 +66,9 @@ $STD cmake -GNinja \
   -DOTBR_BACKBONE_ROUTER=ON \
   -DOTBR_SYSTEMD_UNIT_DIR=/etc/systemd/system \
   -DOT_FIREWALL=ON \
+  -DOTBR_NAT64=ON \
   -DOT_POSIX_NAT64_CIDR="192.168.255.0/24" \
+  -DOTBR_DNS_UPSTREAM_QUERY=ON \
   ..
 $STD ninja
 $STD ninja install
@@ -103,6 +105,25 @@ EOF
 cat <<'EOF' >/etc/default/otbr-web
 OTBR_WEB_OPTS="-I wpan0 -a 0.0.0.0 -p 80"
 EOF
+cat <<'EOF' >/usr/local/bin/otbr-post-start.sh
+#!/bin/sh
+
+# OpenThread Border Router post-start script
+# Run custom commands for runtime configuration options
+
+# Wait for the otbr-agent service to be initialized
+#sleep 3
+
+# Configure routing and translation features
+#ot-ctl nat64 enable
+#ot-ctl dns server upstream enable
+EOF
+chmod +x /usr/local/bin/otbr-post-start.sh
+mkdir -p /etc/systemd/system/otbr-agent.service.d
+cat <<'EOF' >/etc/systemd/system/otbr-agent.service.d/10-otbr-post-start.conf
+[Service]
+ExecStartPost=/usr/local/bin/otbr-post-start.sh
+EOF
 systemctl enable -q dbus rsyslog otbr-agent otbr-web
 systemctl enable -q bind9 2>/dev/null || systemctl enable -q named 2>/dev/null || true
 systemctl start -q dbus rsyslog bind9