![DDNS doesn't work and shows "Connection failed. Cannot resolve the IP address of the server." What can I do? - Synology Knowledge Center DDNS doesn't work and shows "Connection failed. Cannot resolve the IP address of the server." What can I do? - Synology Knowledge Center](https://kb.synology.com/_images/faq_images/DDNS_cannot_resolve_IP/symptom-dsm7.png)
DDNS doesn't work and shows "Connection failed. Cannot resolve the IP address of the server." What can I do? - Synology Knowledge Center
![SOLVED] Your computer appears to be correctly configured, but the device or resource is not responding - Driver Easy SOLVED] Your computer appears to be correctly configured, but the device or resource is not responding - Driver Easy](https://images.drivereasy.com/wp-content/uploads/2022/01/17169505-a11d-4273-aa2a-4c66200dc63f.png)
SOLVED] Your computer appears to be correctly configured, but the device or resource is not responding - Driver Easy
![Package(/NAS application) "DNS Server" needs PORT 53 to run, so it can run while installing Package, "Synology Directory Server" But Port 53 is taken - I never deal with ports, is this Package(/NAS application) "DNS Server" needs PORT 53 to run, so it can run while installing Package, "Synology Directory Server" But Port 53 is taken - I never deal with ports, is this](https://preview.redd.it/ow8ew36a62171.png?auto=webp&s=e6c38689cee3617f3230c95b382811343d39b376)
Package(/NAS application) "DNS Server" needs PORT 53 to run, so it can run while installing Package, "Synology Directory Server" But Port 53 is taken - I never deal with ports, is this
![How to Setup Synology NAS as a VPN Server (L2TP) & How to Access it from Clients. - wintips.org - Windows Tips & How-tos How to Setup Synology NAS as a VPN Server (L2TP) & How to Access it from Clients. - wintips.org - Windows Tips & How-tos](https://www.wintips.org/wp-content/uploads/2021/04/image-53.png)
How to Setup Synology NAS as a VPN Server (L2TP) & How to Access it from Clients. - wintips.org - Windows Tips & How-tos
![networking - Unable to connect to Synology NAS using my Synology domain over HTTPS on internal network, need to configure DNS Server on NAS? - Super User networking - Unable to connect to Synology NAS using my Synology domain over HTTPS on internal network, need to configure DNS Server on NAS? - Super User](https://i.stack.imgur.com/XVv80.jpg)