From dd295e45608560d2ada7d7c8a30f1eef3f4019bb Mon Sep 17 00:00:00 2001
From: "@RubenKelevra" <cyrond@gmail.com>
Date: Thu, 28 Jan 2021 21:22:36 +0100
Subject: [PATCH] show the domain name with the error (#7886)

* show the domain name if DNSLink failed to resolve a domain because it wasn't a valid domain name

Original author: @AluisioASG
---
 namesys/dns.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/namesys/dns.go b/namesys/dns.go
index 984a27aa8..0b48ad34b 100644
--- a/namesys/dns.go
+++ b/namesys/dns.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	"net"
 	"strings"
+	"fmt"
 
 	path "github.com/ipfs/go-path"
 	opts "github.com/ipfs/interface-go-ipfs-core/options/namesys"
@@ -53,7 +54,7 @@ func (r *DNSResolver) resolveOnceAsync(ctx context.Context, name string, options
 	domain := segments[0]
 
 	if !isd.IsDomain(domain) {
-		out <- onceResult{err: errors.New("not a valid domain name")}
+		out <- onceResult{err: fmt.Errorf("not a valid domain name: %s", domain)}
 		close(out)
 		return out
 	}