Remove support for wildcard ns match domain

Signed-off-by: bcmmbaga <bethuelmbaga12@gmail.com>

management/server/nameserver.go

@@ -18,10 +18,7 @@ import (
 	"github.com/netbirdio/netbird/management/server/types"
 )
 
-const (
-	domainPattern = `^(?i)[\*a-z0-9]+([\-\.]{1}[a-z0-9]+)*[*.a-z]{1,}$`
-	maxLabelLen   = 63
-)
+const domainPattern = `^(?i)[a-z0-9]+([\-\.]{1}[a-z0-9]+)*[*.a-z]{1,}$`
 
 var invalidDomainName = errors.New("invalid domain name")
 

management/server/nameserver_test.go

@@ -904,10 +904,15 @@ func TestValidateDomain(t *testing.T) {
 			errFunc: require.NoError,
 		},
 		{
-			name:    "Valid wildcard domain",
-			domain:  "*.example",
+			name:    "Valid domain name with trailing dot",
+			domain:  "example.",
 			errFunc: require.NoError,
 		},
+		{
+			name:    "Invalid wildcard domain name",
+			domain:  "*.example",
+			errFunc: require.Error,
+		},
 		{
 			name:    "Invalid domain name with leading dot",
 			domain:  ".com",