Info DSM 7 removes some DDNS services

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Info DSM 7 removes some DDNS services


NAS Support
DS1520+, DS218+, DS215j
  1. RT2600ac
  2. MR2200ac
Operating system
  1. macOS
Mobile operating system
  1. iOS
Last edited:
Reading the beta release notes I noticed this:
7. The following DDNS providers are removed from the service provider list at Control Panel > External Access > DDNS:
CloudNS, DNO-O-Matic, DNSEXIT, Dynamic DO!.jp,, RU-CENTER,, Variomedia,

I use OpenDNS's (Cisco) DNS-O-Matic to update Namecheap domains and OpenDNS. Actually I do this on the SRM router but I like to have the option of doing this with the NAS. I've tested adding a custom DDNS service in DSM 7.

Looking at DNS-O-Matic's API documentation it suggests this would be the query URL:

https://__USERNAME__:[email protected]/nic/update?hostname=__HOSTNAME__&myip=__MYIP__&wildcard=NOCHG&mx=NOCHG&backmx=NOCHG

But in testing this failed. I wondered if DSM may add the username and password if I removed them from the query and that proved successful. This query URL works:

When using the custom service use hostname '' to update all services in your account.

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