Improving your domain authority (DA) to 50+ isn't easy, but it's doable with some effort.
One thing you can do is focus on creating high-quality, relevant content for your website. This not only helps attract visitors but also boosts your site's credibility in the eyes of search engines like Google and, of course, MOZ.
Next, backlink is Good Source when it comes to increasing DA. Try reaching out to other reputable websites in your niche and see if they'd be willing to link back to your site. Just make sure the links are natural and not spammy.
Also, don't forget to optimise your website's structure, meta tags, and keywords to make it more search engine-friendly.