diff --git a/deployment/docker-compose.yml b/deployment/docker-compose.yml
index 541c686..7753d24 100644
--- a/deployment/docker-compose.yml
+++ b/deployment/docker-compose.yml
@@ -5,7 +5,7 @@ services:
     restart: always
     environment:
       DDNS_ADMIN_LOGIN: 'admin:$$3$$abcdefg'
-      DDNS_DOMAIN: 'dyndns.example.com'
+      DDNS_DOMAINS: 'dyndns.example.com'
       DDNS_PARENT_NS: 'ns.example.com'
       DDNS_DEFAULT_TTL: '3600'
     ports:
diff --git a/deployment/envfile b/deployment/envfile
index 02a3d4c..8cbdb69 100644
--- a/deployment/envfile
+++ b/deployment/envfile
@@ -1,4 +1,4 @@
 DDNS_ADMIN_LOGIN=admin:$$3$$abcdefg
-DDNS_DOMAIN=dyndns.example.com
+DDNS_DOMAINS=dyndns.example.com
 DDNS_PARENT_NS=ns.example.com
 DDNS_DEFAULT_TTL=3600
\ No newline at end of file
diff --git a/deployment/setup.sh b/deployment/setup.sh
index e2bf615..b45ba18 100644
--- a/deployment/setup.sh
+++ b/deployment/setup.sh
@@ -1,33 +1,35 @@
 #!/bin/bash
 
 [ -z "$DDNS_ADMIN_LOGIN" ] && echo "DDNS_ADMIN_LOGIN not set" && exit 1;
-[ -z "$DDNS_DOMAIN" ] && echo "DDNS_DOMAIN not set" && exit 1;
+[ -z "$DDNS_DOMAINS" ] && echo "DDNS_DOMAINS not set" && exit 1;
 [ -z "$DDNS_PARENT_NS" ] && echo "DDNS_PARENT_NS not set" && exit 1;
 [ -z "$DDNS_DEFAULT_TTL" ] && echo "DDNS_DEFAULT_TTL not set" && exit 1;
 
 DDNS_IP=$(curl icanhazip.com)
 
-if ! grep 'zone "'$DDNS_DOMAIN'"' /etc/bind/named.conf > /dev/null
-then
-	echo "creating zone...";
-	cat >> /etc/bind/named.conf <<EOF
-zone "$DDNS_DOMAIN" {
+for d in ${DDNS_DOMAINS//,/ }
+do
+	if ! grep 'zone "'$d'"' /etc/bind/named.conf > /dev/null
+	then
+		echo "creating zone...";
+		cat >> /etc/bind/named.conf <<EOF
+zone "$d" {
 	type master;
-	file "$DDNS_DOMAIN.zone";
+	file "$d.zone";
 	allow-query { any; };
 	allow-transfer { none; };
 	allow-update { localhost; };
 };
 EOF
-fi
+	fi
 
-if [ ! -f /var/cache/bind/$DDNS_DOMAIN.zone ]
-then
-	echo "creating zone file..."
-	cat > /var/cache/bind/$DDNS_DOMAIN.zone <<EOF
+	if [ ! -f /var/cache/bind/$d.zone ]
+	then
+		echo "creating zone file..."
+		cat > /var/cache/bind/$d.zone <<EOF
 \$ORIGIN .
 \$TTL 86400	; 1 day
-$DDNS_DOMAIN		IN SOA	${DDNS_PARENT_NS}. root.${DDNS_DOMAIN}. (
+$d		IN SOA	${DDNS_PARENT_NS}. root.${d}. (
 				74         ; serial
 				3600       ; refresh (1 hour)
 				900        ; retry (15 minutes)
@@ -36,10 +38,11 @@ $DDNS_DOMAIN		IN SOA	${DDNS_PARENT_NS}. root.${DDNS_DOMAIN}. (
 				)
 			NS	${DDNS_PARENT_NS}.
 			A	${DDNS_IP}
-\$ORIGIN ${DDNS_DOMAIN}.
+\$ORIGIN ${d}.
 \$TTL ${DDNS_DEFAULT_TTL}
 EOF
-fi
+	fi
+done
 
 # If /var/cache/bind is a volume, permissions are probably not ok
 chown root:bind /var/cache/bind