Google’s John Mueller said on Twitter that you do not have to worry about negative SEO. He said that Google is good at ignoring weird and spammy links:
FWIW looking at the site, I don't see any negative seo effects there. Like the others in the forums posted, most of those links have no effect at all — sites collect links from all kinds of weird & spammy places over time, we're pretty good at ignoring them.
— ? John ? (@JohnMu) November 21, 2019
How to analyze the links that point to your website for free
You can use the free link analysis tool OpenLinkProfiler.org to analyze the links that point to your website. If you need a link analysis tool that offers even more, try SEOprofiler: