Many people I see have ongoing issues with their neck and I’ve developed easy to use stuff even I use at home to help myself between massage sessions. These in no way replace seeing a professional but I think they work best with regular massage as maintenance. If you have a foam roll at home try this.
Headache issues are also a constant complaint and tension headaches seem to have involvement from many posterior neck muscles including the suboccipitals. The top of the neck connects to the two top neck vertebrae from these muscles and this broad compression is an easy way to access a broad swathe of muscles that may be giving you challenges.
Go slow and breathe. Check out the blog post on upper back pain as well. Many issues through the neck and upper back are connected.