Spammy or harmful back links pointing to your site can be a massive no-no in SEO. they have to be eliminated or disavowed ahead of Google decides to penalize you.
Competitor Comparison: it is possible to compare your https://www.msn.com/en-us/news/other/linkdaddy-unveils-free-domain-authority-checker-with-backlink-comparison/ar-BB1nAnkt