diff --git a/dns_dynamicip.md b/dns_dynamicip.md
index 0ee754cc..19860435 100644
--- a/dns_dynamicip.md
+++ b/dns_dynamicip.md
@@ -15,6 +15,7 @@ Here are sites which offer a DynDNS service free of charge:
 * [ChangeIP](https://changeip.com)
 * [DynDNS (in italian)](https://dyndns.it)
 * [DynDNS with your own domain](https://github.com/jodumont/DynDNS-with-HE.NET)
+* [Duck DNS](https://www.duckdns.org/)
 
 Register to one of them. It should provide you with one (or more) IP address to reach the service, and a login (that you may be able to self-define).
 
diff --git a/dns_dynamicip_fr.md b/dns_dynamicip_fr.md
index 564231ee..1e13f279 100644
--- a/dns_dynamicip_fr.md
+++ b/dns_dynamicip_fr.md
@@ -17,6 +17,7 @@ Voici des sites qui proposent un service de DynDNS gratuitement :
 * [No-IP](https://www.noip.com/remote-access)
 * [ChangeIP](https://changeip.com)
 * [DynDNS (en italien)](https://dyndns.it)
+* [Duck DNS](https://www.duckdns.org/)
 
 Créer un compte chez l’un d’eux.