diff --git a/ip/resolver/basic_http/service.go b/ip/resolver/basic_http/service.go
index 8999c44..7f6fe89 100644
--- a/ip/resolver/basic_http/service.go
+++ b/ip/resolver/basic_http/service.go
@@ -1,6 +1,7 @@
 package basic_http
 
 import (
+	"fmt"
 	"io"
 	"net"
 	"net/http"
@@ -30,6 +31,10 @@ func (s Service) Lookup() (net.IP, error) {
 		return nil, err
 	}
 
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return nil, fmt.Errorf("HTTP Response: %s", resp.Status)
+	}
+
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err