Short answer: No. Long answer: It is prefered to setup all servers both for redundancy and also to properly use our geolocation service.

No. This would make your visitors use that server directly regardless of their location thus making resolution slower for them.

Yes. You should be able to add every type of record using your advanced DNS editor

Yes. We have a fully automated system that you can use through our Advanced DNS editor.

Yes. We currently do not have an automated system to setup the records, but you can manually set them up from your advanced DNS editor.