diff --git a/main.go b/main.go
index 2a3ad50..4cae7ba 100644
--- a/main.go
+++ b/main.go
@@ -50,6 +50,7 @@ var (
 	dhcpServer     string
 	dhcpScope      string
 	dhcpNamePrefix string
+	dhcpDomain     string
 )
 
 // ---------------------------------------------------------------------------
@@ -63,11 +64,11 @@ type singleData struct {
 type addrPair struct{ Name, IPv4, IPv6 string }
 
 type rangeData struct {
-	Start, End            string
-	DhcpServer, DhcpScope string
-	Rows                  []addrPair
-	Error                 string
-	HaveResult            bool
+	Start, End                        string
+	DhcpServer, DhcpScope, DhcpDomain string
+	Rows                              []addrPair
+	Error                             string
+	HaveResult                        bool
 }
 
 // ---------------------------------------------------------------------------
@@ -126,7 +127,7 @@ func handleRange(w http.ResponseWriter, r *http.Request) {
 		startStr := r.FormValue("start")
 		endStr := r.FormValue("end")
 		rows, err := convertRange(startStr, endStr)
-		d := rangeData{Start: startStr, End: endStr, DhcpServer: dhcpServer, DhcpScope: dhcpScope}
+		d := rangeData{Start: startStr, End: endStr, DhcpServer: dhcpServer, DhcpScope: dhcpScope, DhcpDomain: dhcpDomain}
 		if err != nil {
 			d.Error = err.Error()
 		} else {
@@ -243,6 +244,7 @@ func initConfigAndTemplates() {
 	dhcpScope = os.Getenv("DHCP_SCOPE")
 	dhcpServer = os.Getenv("DHCP_SERVER")
 	dhcpNamePrefix = os.Getenv("DHCP_NAME_PREFIX")
+	dhcpDomain = os.Getenv("DHCP_DOMAIN")
 
 	// Range limit ---------------------------------
 	if limStr := os.Getenv("RANGE_LIMIT"); limStr != "" {
@@ -342,7 +344,7 @@ var rangePageHTML = `<!DOCTYPE html>
 {{if .HaveResult}}
 <table>
  <tr><th>IPv4</th><th>IPv6</th><th>DHCP-IPv4</th><th>DHCP-IPv6</th></tr>
- {{range .Rows}}<tr><td>{{.IPv4}}</td><td>{{.IPv6}}</td><td>netsh DHCP Server {{$.DhcpServer}} Scope {{$.DhcpScope}} Add reservedip {{.IPv4}} "{{.Name}}.stadt-hilden.de" "" "DHCP"</td><td>---</td></tr>{{end}}
+ {{range .Rows}}<tr><td>{{.IPv4}}</td><td>{{.IPv6}}</td><td>netsh DHCP Server {{$.DhcpServer}} Scope {{$.DhcpScope}} Add reservedip {{.IPv4}} "{{.Name}}.{{$.DhcpDomain}}" "" "DHCP"</td><td>---</td></tr>{{end}}
 </table>
 {{end}}
 {{if .Error}}<p style="color:#b00">Fehler: {{.Error}}</p>{{end}}

IPv4	IPv6	DHCP-IPv4	DHCP-IPv6
{{.IPv4}}	{{.IPv6}}	netsh DHCP Server {{$.DhcpServer}} Scope {{$.DhcpScope}} Add reservedip {{.IPv4}} "{{.Name}}.stadt-hilden.de" "" "DHCP"	---
{{.IPv4}}	{{.IPv6}}	netsh DHCP Server {{$.DhcpServer}} Scope {{$.DhcpScope}} Add reservedip {{.IPv4}} "{{.Name}}.{{$.DhcpDomain}}" "" "DHCP"	---