netutil: imp logic

AdguardTeam · Feb 17, 2023 · 43263cb · 43263cb
1 parent ce2b431
commit 43263cb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/netutil/addr.go b/netutil/addr.go
@@ -428,7 +428,7 @@ func ValidateSRVDomainName(name string) (err error) {
 	labels := strings.Split(name, ".")
 	tldIdx := len(labels) - 1
 	for _, l := range labels[:tldIdx] {
-		if l != "" && l[0] == '_' {
+		if strings.HasPrefix(l, "_") {
 			err = ValidateServiceNameLabel(l)
 		} else {
 			err = ValidateHostnameLabel(l)