Domain Authority (DA) score varies from 0 to 100; the highest score more authoritative a website is.
This metric is updated every month, but not necessarily there will be changes every month.
To work on your Domain Score read our article on How can I increase my Domain Authority (DA)?
To know more about the Domain Score you can also check What is Domain Authority (DA)?
If you have any doubts, please send us an email at email@example.com.