To reach DA 30, focus on acquiring follow links from relevant, high-DA sites through guest blogging, digital PR, and link-worthy content. Eliminate toxic links using Moz’s Spam Score insights to protect trust. Complement link building with strong technical SEO: fast loading speeds, mobile responsiveness, and clear internal linking structures. Consistent high-quality publishing signals domain trust, helping search engines—and Moz's index—recognize your site's growing authority and relevance.