Domain Authority Services to Improve DA

High-Quality Backlinks: Gain links from sites with high authority and relevance.
Quality of the Content: You should distribute high-quality, well-researched content on your blog.
On-Page SEO: Title tags, meta descriptions, headers and URLs have to be optimized.
Better Site Structure: User-friendly and fast loading times.
Mobile-Friendly – Make sure your website is mobile responsive
Social Signals- Promote Content in Social media for High Engagement.

Quality backlinksDisavow Bad Links: Low-quality or spammy links with disavow processes.

Regular efforts in these areas can assist you slowly lift your DA. Also you can hire SEO Experts.

If your domain authority has not had a change, it might be because of needing more high-quality backlinks or better content optimization to create increased website engagement circuits. Improving the quality of your content, SEO and link building Similarly improving domain authority.
Example: Hretus World
My Website Authority also changed and increase day by day.