I know DA stands for Domain Authority but just curious to know how and on what basis it is measured?

DA  stands for domain authority
It is basically ranking
it is provided moz website
If your site da more than 30
Then this factors is considered to a good website

DA  stands for domain authority in SEO

DA is known as  domain authority

It is provide by moz website
It checks to how much traffic hit your website
and give your da ranking

Da is domain authority  used to check the ranking of the domain

Domain Authority (DA) is a search engine ranking score developed by Moz that predicts how well a website will rank on search engine result pages (SERPs). A Domain Authority score ranges from one to 100, with higher scores corresponding to a greater ability to rank. 

Domain Authority is a measure of how well a website is likely to perform in search engine results. It's a search engine ranking score developed by Moz to give an overview of likely site performance.

DA is one of the main factors that define how well a website will rank in search engines.

Domain Authority predicts how good a Website will rank in SERPs

The DA mainly stands for Domain Authority in SEO.

DA is Domain Authority and it is a MOZ matrix.

DA that is Domain authority is analyzed by SEO, to forecast the capability of a website/domain to rank in SERP. Domain authority implies a 0 to 100 logarithmic scale. The domain authority of a website describes its importance for a specific liable area or industry.