Hi! we are a team of logo designers that design custom logos for different businesses and organizations. we had designed

https://www.buycustomlogo.com

4 years ago, in the earlier days the response from the visitors side was too awesome but now we have seen a drastic fall down in our customer's engagement. I believe it is all because of the low Domain authority score. Can an SEO expert from this forum tell us how to increase the domain authority score?