diff --git a/api.go b/api.go
index b4ad92f..fec79a2 100644
--- a/api.go
+++ b/api.go
@@ -134,7 +134,7 @@ func (h *Headscale) RegistrationHandler(ctx *gin.Context) {
 
 			return
 		}
-		hname, err := NormalizeName(
+		hname, err := NormalizeToFQDNRules(
 			req.Hostinfo.Hostname,
 			h.cfg.OIDC.StripEmaildomain,
 		)
diff --git a/namespaces.go b/namespaces.go
index 74b125d..bb32795 100644
--- a/namespaces.go
+++ b/namespaces.go
@@ -41,7 +41,7 @@ type Namespace struct {
 // CreateNamespace creates a new Namespace. Returns error if could not be created
 // or another namespace already exists.
 func (h *Headscale) CreateNamespace(name string) (*Namespace, error) {
-	err := CheckName(name)
+	err := CheckForFQDNRules(name)
 	if err != nil {
 		return nil, err
 	}
@@ -104,7 +104,7 @@ func (h *Headscale) RenameNamespace(oldName, newName string) error {
 	if err != nil {
 		return err
 	}
-	err = CheckName(newName)
+	err = CheckForFQDNRules(newName)
 	if err != nil {
 		return err
 	}
@@ -150,7 +150,7 @@ func (h *Headscale) ListNamespaces() ([]Namespace, error) {
 
 // ListMachinesInNamespace gets all the nodes in a given namespace.
 func (h *Headscale) ListMachinesInNamespace(name string) ([]Machine, error) {
-	err := CheckName(name)
+	err := CheckForFQDNRules(name)
 	if err != nil {
 		return nil, err
 	}
@@ -169,7 +169,7 @@ func (h *Headscale) ListMachinesInNamespace(name string) ([]Machine, error) {
 
 // SetMachineNamespace assigns a Machine to a namespace.
 func (h *Headscale) SetMachineNamespace(machine *Machine, namespaceName string) error {
-	err := CheckName(namespaceName)
+	err := CheckForFQDNRules(namespaceName)
 	if err != nil {
 		return err
 	}
@@ -237,9 +237,9 @@ func (n *Namespace) toProto() *v1.Namespace {
 	}
 }
 
-// NormalizeName will replace forbidden chars in namespace
+// NormalizeToFQDNRules will replace forbidden chars in namespace
 // it can also return an error if the namespace doesn't respect RFC 952 and 1123.
-func NormalizeName(name string, stripEmailDomain bool) (string, error) {
+func NormalizeToFQDNRules(name string, stripEmailDomain bool) (string, error) {
 	name = strings.ToLower(name)
 	name = strings.ReplaceAll(name, "'", "")
 	atIdx := strings.Index(name, "@")
@@ -263,7 +263,7 @@ func NormalizeName(name string, stripEmailDomain bool) (string, error) {
 	return name, nil
 }
 
-func CheckName(name string) error {
+func CheckForFQDNRules(name string) error {
 	if len(name) > labelHostnameLength {
 		return fmt.Errorf(
 			"Namespace must not be over 63 chars. %v doesn't comply with this rule: %w",
diff --git a/namespaces_test.go b/namespaces_test.go
index 406dccf..5d873bd 100644
--- a/namespaces_test.go
+++ b/namespaces_test.go
@@ -233,7 +233,7 @@ func (s *Suite) TestGetMapResponseUserProfiles(c *check.C) {
 	c.Assert(found, check.Equals, true)
 }
 
-func TestNormalizeName(t *testing.T) {
+func TestNormalizeToFQDNRules(t *testing.T) {
 	type args struct {
 		name             string
 		stripEmailDomain bool
@@ -310,10 +310,10 @@ func TestNormalizeName(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			got, err := NormalizeName(tt.args.name, tt.args.stripEmailDomain)
+			got, err := NormalizeToFQDNRules(tt.args.name, tt.args.stripEmailDomain)
 			if (err != nil) != tt.wantErr {
 				t.Errorf(
-					"NormalizeNamespaceName() error = %v, wantErr %v",
+					"NormalizeToFQDNRules() error = %v, wantErr %v",
 					err,
 					tt.wantErr,
 				)
@@ -321,13 +321,13 @@ func TestNormalizeName(t *testing.T) {
 				return
 			}
 			if got != tt.want {
-				t.Errorf("NormalizeNamespaceName() = %v, want %v", got, tt.want)
+				t.Errorf("NormalizeToFQDNRules() = %v, want %v", got, tt.want)
 			}
 		})
 	}
 }
 
-func TestCheckName(t *testing.T) {
+func TestCheckForFQDNRules(t *testing.T) {
 	type args struct {
 		name string
 	}
@@ -366,8 +366,8 @@ func TestCheckName(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if err := CheckName(tt.args.name); (err != nil) != tt.wantErr {
-				t.Errorf("CheckNamespaceName() error = %v, wantErr %v", err, tt.wantErr)
+			if err := CheckForFQDNRules(tt.args.name); (err != nil) != tt.wantErr {
+				t.Errorf("CheckForFQDNRules() error = %v, wantErr %v", err, tt.wantErr)
 			}
 		})
 	}
diff --git a/oidc.go b/oidc.go
index a81c4b5..29ce351 100644
--- a/oidc.go
+++ b/oidc.go
@@ -253,7 +253,7 @@ func (h *Headscale) OIDCCallback(ctx *gin.Context) {
 		return
 	}
 
-	namespaceName, err := NormalizeName(
+	namespaceName, err := NormalizeToFQDNRules(
 		claims.Email,
 		h.cfg.OIDC.StripEmaildomain,
 	)