![Error message "Could not start DNS service on <ip-address> port 53 UDP. Port is used by another application" or "Could not start DNS service (Error 10048)" Error message "Could not start DNS service on <ip-address> port 53 UDP. Port is used by another application" or "Could not start DNS service (Error 10048)"](https://simpledns.plus/kb/img/47/2.png)
Error message "Could not start DNS service on <ip-address> port 53 UDP. Port is used by another application" or "Could not start DNS service (Error 10048)"
![Lync Server 2013: Port summary - Scaled consolidated edge, DNS load balancing with public IP addresses - Lync Server | Microsoft Docs Lync Server 2013: Port summary - Scaled consolidated edge, DNS load balancing with public IP addresses - Lync Server | Microsoft Docs](https://docs.microsoft.com/en-us/previous-versions/office/lync-server-2013/lyncserver/images/jj205394.96f5a8f5-16d2-464d-b86e-7c7ecfc89ead(ocs.15).jpg)
Lync Server 2013: Port summary - Scaled consolidated edge, DNS load balancing with public IP addresses - Lync Server | Microsoft Docs
![I'm getting port-scanned continuously from my DNS server, even when changing DNS servers : r/HomeNetworking I'm getting port-scanned continuously from my DNS server, even when changing DNS servers : r/HomeNetworking](https://external-preview.redd.it/_3uPHjbMq5f5_BjMGYaTiuAPQ-rGvyL6B_KIwpFANXQ.jpg?width=640&crop=smart&auto=webp&s=ce073bc44a1bb76aa56ca7b56ac97481c50690c2)
I'm getting port-scanned continuously from my DNS server, even when changing DNS servers : r/HomeNetworking
Interaction Scenario for Port Mapping and DNS Location Updates Besides... | Download Scientific Diagram
![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://i.redd.it/ow8ew36a62171.png)