These folk do physical reviews/previews:
Broken pencil - https://brokenpencil.com/, https://docs.google.com/forms/d/e/1FAIpQLSfNhPFRmbg5ElDqIqHE0emO7jnFe72Z-_Kq819w...
Feral publications - https://www.youtube.com/@FeralPublication
SeaGreenZines - https://seagreenzines.com/
Razorcake - https://razorcake.org/razorcake-record-review-guidelines-and-faqs/https://razorc...
Pocket Thoughts - https://www.youtube.com/@pocketthoughts
If you want to sell your zine, Quimbys is an interesting place. They highlight the zines they get on their instagram. https://www.quimbys.com/
The largest zine community I've seen is on instagram. Just follow the tag #zine and you should find stuff.