diff --git a/controllers/domain.go b/controllers/domain.go
index 7ea9194..4e32d85 100644
--- a/controllers/domain.go
+++ b/controllers/domain.go
@@ -22,7 +22,7 @@ func (c *Controller) CreateDomain(d *models.Domain) (*models.Domain, error) {
 		}
 
 		r := &models.RecordWithType[dns.SOARecord]{}
-		r.Zone = fmt.Sprintf("%s.", d.DomainName)
+		r.Zone = d.WithDotEnd()
 		r.Name = "@"
 		r.RecordType = models.RecordTypeSOA
 		r.Content.Ns = d.MainDNS
diff --git a/models/domain.go b/models/domain.go
index a792b34..f110428 100644
--- a/models/domain.go
+++ b/models/domain.go
@@ -1,6 +1,9 @@
 package models
 
-import "strings"
+import (
+	"fmt"
+	"strings"
+)
 
 type Domain struct {
 	ID         int    `gorm:"primaryKey" json:"id"`
@@ -21,3 +24,11 @@ func (d *Domain) EmailSOAForamt() string {
 	s[0] = strings.Replace(s[0], ".", "\\", -1)
 	return strings.Join(s, ".")
 }
+
+func (d *Domain) WithDotEnd() string {
+	if strings.HasSuffix(d.DomainName, ".") {
+		return d.DomainName
+	} else {
+		return fmt.Sprintf("%s.", d.DomainName)
+	}
+}