diff --git a/README.md b/README.md
index 6e6b068c..e888b4ed 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [![codecov](https://codecov.io/gh/semihalev/sdns/branch/master/graph/badge.svg)](https://codecov.io/gh/semihalev/sdns)
 [![GitHub version](https://badge.fury.io/gh/semihalev%2Fsdns.svg)](https://github.com/semihalev/sdns/releases)
 
-## :rocket: Privacy important, fast, iterative dns resolver server with dnssec support
+## :rocket: Privacy important, fast, recursive dns resolver server with dnssec support
 
 <img src="https://github.com/semihalev/sdns/blob/master/logo.png?raw=true" width="250">
 
@@ -164,6 +164,16 @@ example.com.		0	CH	HINFO	"Host" "IPv6:[2001:500:8d::53]:53 rtt:148ms health:[GOO
 -   [ ] DNAME Redirection in the DNS described at RFC 6672
 -   [ ] DNS64 DNS Extensions for NAT from IPv6 Clients to IPv4 Servers described at RFC 6147
 
+## Who Used
+
+_CubeDNS_ public open resolver project using sdns on multi location. The project supported both UDP and TCP also DoT and DoH.
+
+| Proto  | Servers                                  |
+| ------ | ---------------------------------------- |
+| IPv4   | 195.244.44.44, 195.244.44.45             |
+| IPv6   | 2a0a:be80::cbe:4444, 2a0a:be80::cbe:4445 |
+| DoH    | https://cubedns.com/dns-query            |
+
 ## Contributing
 
 Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.
diff --git a/config/config.go b/config/config.go
index fa01cea3..8ef772c3 100644
--- a/config/config.go
+++ b/config/config.go
@@ -184,7 +184,7 @@ accesslist = [
 hostsfile = ""
 
 # Network timeout for each dns lookups in duration
-timeout = "2s"
+timeout = "3s"
 
 # Default error cache TTL in seconds
 expire = 600
diff --git a/doc.go b/doc.go
index 57d2fe3f..6922b8aa 100644
--- a/doc.go
+++ b/doc.go
@@ -1,4 +1,4 @@
 /*
-Privacy important, fast iterative dns resolver server with dnssec support. https://semihalev.github.io/sdns/ for more information.
+Privacy important, fast recursive dns resolver server with dnssec support. https://semihalev.github.io/sdns/ for more information.
 */
 package main // import "github.com/semihalev/sdns"
diff --git a/middleware/resolver/resolver.go b/middleware/resolver/resolver.go
index efebde5f..ce67d6f1 100644
--- a/middleware/resolver/resolver.go
+++ b/middleware/resolver/resolver.go
@@ -403,13 +403,13 @@ func (r *Resolver) groupLookup(ctx context.Context, proto string, req *dns.Msg,
 }
 
 func (r *Resolver) checkLoop(ctx context.Context, qname string, qtype uint16) (context.Context, bool) {
-	key := ctxKey("nslist" + "_" + dns.TypeToString[qtype])
+	key := ctxKey("nslist:" + dns.TypeToString[qtype])
 
 	if v := ctx.Value(key); v != nil {
-		parentZones := v.([]string)
+		list := v.([]string)
 
 		loopCount := 0
-		for _, n := range parentZones {
+		for _, n := range list {
 			if n == qname {
 				loopCount++
 				if loopCount > 1 {
@@ -418,8 +418,8 @@ func (r *Resolver) checkLoop(ctx context.Context, qname string, qtype uint16) (c
 			}
 		}
 
-		parentZones = append(parentZones, qname)
-		ctx = context.WithValue(ctx, key, parentZones)
+		list = append(list, qname)
+		ctx = context.WithValue(ctx, key, list)
 	} else {
 		ctx = context.WithValue(ctx, key, []string{qname})
 	}
diff --git a/sdns.go b/sdns.go
index e6192fa4..11d91120 100644
--- a/sdns.go
+++ b/sdns.go
@@ -23,7 +23,7 @@ var (
 	Config *config.Config
 
 	// Version returns the build version of sdns, this should be incremented every new release
-	Version = "1.0.0-rc3"
+	Version = "1.0.0"
 
 	// ConfigVersion returns the version of sdns, this should be incremented every time the config changes so sdns presents a warning
 	ConfigVersion = "1.0.0"