diff --git a/main.go b/main.go
index 0273a9e..8249576 100755
--- a/main.go
+++ b/main.go
@@ -3,6 +3,7 @@ package main
 import (
 	"bytes"
 	"encoding/json"
+	"flag"
 	"fmt"
 	"io/ioutil"
 	"log"
@@ -48,7 +49,10 @@ curl "https://www.namesilo.com/api/dnsUpdateRecord?version=1&type=xml&key=7a26bd
 */
 
 func main() {
-	resp, err := http.Get("https://www.namesilo.com/api/dnsListRecords?version=1&type=xml&key=7a26bd4b7aedbc6c44f56af38&domain=blapointe.com")
+	domain := flag.String("domain", "blapoionte.com", "domain to modify")
+	subdomain := flag.String("prefix", "*.home.", "subdomain to modify")
+	flag.Parse()
+	resp, err := http.Get("https://www.namesilo.com/api/dnsListRecords?version=1&type=xml&key=7a26bd4b7aedbc6c44f56af38&domain=" + *domain)
 	if err != nil {
 		panic(err)
 	}
@@ -75,11 +79,11 @@ func main() {
 		panic(err)
 	}
 	for _, v := range rawraw.Namesilo.Reply.ResourceRecord {
-		if v.Host == "*.home.blapointe.com" {
+		if v.Host == *subdomain+*domain {
 			rrid := v.RecordID
 			ip := rawraw.Namesilo.Request.IP
 			log.Println(rrid, ip)
-			url := fmt.Sprintf("https://www.namesilo.com/api/dnsUpdateRecord?version=1&type=xml&key=7a26bd4b7aedbc6c44f56af38&domain=blapointe.com&rrid=%s&rrhost=*.home&rrvalue=%s&rrttl=3600", rrid, ip)
+			url := fmt.Sprintf("https://www.namesilo.com/api/dnsUpdateRecord?version=1&type=xml&key=7a26bd4b7aedbc6c44f56af38&domain="+*domain+"&rrid=%s&rrhost="+strings.TrimRight(*subdomain, ".")+"&rrvalue=%s&rrttl=3600", rrid, ip)
 			resp, err := http.Get(url)
 			b, _ := ioutil.ReadAll(resp.Body)
 			js, _ := xj.Convert(bytes.NewBuffer(b))