If you own your own domain and have access to the DNS records you may want to modify the domain to allow connection to your NAS instead of using a Quick Connect Synology account. I've just done mine and it took all of 5 minutes to do
So if your quick.connect.id was 'id.synology.me', and your domain is 'mydomain.com. and you wanted to use 'mynas.mydomain.com' instead of 'id.synology.me'. Then you need to add a CNAME record to your domain with data: type CNAME, hostname 'mynas.mydomain.com', with a points to address of 'id.synology.me', set the TTL to either an hours or earlier figure.
Once that is set and the TTL term has elapsed the name servers are working with the data then you can enter 'mynas.mydomain.com' into your Synology apps instead of 'id.synology.me'. It make things a bit easier to remember or work with.
It may not be rocket science but I'm glad I thought of implementing it Hopefully it might be of interest to somebody else
So if your quick.connect.id was 'id.synology.me', and your domain is 'mydomain.com. and you wanted to use 'mynas.mydomain.com' instead of 'id.synology.me'. Then you need to add a CNAME record to your domain with data: type CNAME, hostname 'mynas.mydomain.com', with a points to address of 'id.synology.me', set the TTL to either an hours or earlier figure.
Once that is set and the TTL term has elapsed the name servers are working with the data then you can enter 'mynas.mydomain.com' into your Synology apps instead of 'id.synology.me'. It make things a bit easier to remember or work with.
It may not be rocket science but I'm glad I thought of implementing it Hopefully it might be of interest to somebody else