![](https://community.sunrise.ch/assets/files/2023-06-07/1686135194-865684-image.png)
You are looking for information how to use the DynDNS service on your modem? Then you are right here.
1. Log in to your modem.
![](https://community.sunrise.ch/assets/files/2023-07-11/1689078246-408763-line-break-fullred-thin.png)
2. Click on Advanced Settings, then on DDNS.
![](https://community.sunrise.ch/assets/files/2023-07-18/1689684881-402616-cb3-ddns-1-en.png)
![](https://community.sunrise.ch/assets/files/2023-07-11/1689078246-408763-line-break-fullred-thin.png)
3. Select a DynDNS provider at DDNS Service. The following providers are available:
![](https://community.sunrise.ch/assets/files/2023-07-18/1689684904-975122-cb3-ddns-2-en.png)
![](https://community.sunrise.ch/assets/files/2023-07-11/1689078246-408763-line-break-fullred-thin.png)
4. Enter the user name of the DynDNS service in the User name field.
![](https://community.sunrise.ch/assets/files/2023-07-11/1689078246-408763-line-break-fullred-thin.png)
5. Enter the password of the DynDNS service in the next field.
![](https://community.sunrise.ch/assets/files/2023-07-11/1689078246-408763-line-break-fullred-thin.png)
6. In the Domain Name field, type the DynDNS address.
![](https://community.sunrise.ch/assets/files/2023-07-11/1689078246-408763-line-break-fullred-thin.png)
7. Finally click on Apply changes to activate the DynDNS service.
Greetings
Daniele