diff --git a/main.go b/main.go
index 3c02533..449f308 100644
--- a/main.go
+++ b/main.go
@@ -2,7 +2,6 @@ package main
 
 import (
 	"flag"
-	"strings"
 	"time"
 
 	"local-ip.sh/certs"
@@ -10,16 +9,11 @@ import (
 	"local-ip.sh/xip"
 )
 
-const (
-	zone        = "local-ip.sh."
-	nameservers = "ns1.local-ip.sh.,ns2.local-ip.sh."
-)
-
 func main() {
 	port := flag.Int("port", 53, "port the DNS server should bind to")
 	flag.Parse()
 
-	n := xip.NewXip(zone, strings.Split(nameservers, ","), *port)
+	n := xip.NewXip(*port)
 
 	go func() {
 		account := certs.LoadAccount()
diff --git a/xip/xip.go b/xip/xip.go
index 5b6e263..ae9ca45 100644
--- a/xip/xip.go
+++ b/xip/xip.go
@@ -14,7 +14,6 @@ import (
 
 type Xip struct {
 	server      dns.Server
-	zone        string
 	nameServers []*dns.NS
 }
 
@@ -26,6 +25,11 @@ type HardcodedRecord struct {
 	CNAME []*dns.CNAME
 }
 
+const (
+	zone        = "local-ip.sh."
+	nameservers = "ns1.local-ip.sh.,ns2.local-ip.sh."
+)
+
 var (
 	flyRegion        = os.Getenv("FLY_REGION")
 	dottedIpV4Regex  = regexp.MustCompile(`(?:^|(?:[\w\d])+\.)(((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)\.?\b){4})($|[.-])`)
@@ -369,10 +373,10 @@ func (xip *Xip) StartServer() {
 	}
 }
 
-func NewXip(zone string, nameservers []string, port int) (xip *Xip) {
+func NewXip(port int) (xip *Xip) {
 	xip = &Xip{}
 
-	for _, ns := range nameservers {
+	for _, ns := range strings.Split(nameservers, ",") {
 		xip.nameServers = append(xip.nameServers, &dns.NS{Ns: ns})
 	}