how can you check if someone is not building or re-directing a low-quality backlink

[dennis123]

Mention how can you check if someone is not building or re-directing a low-quality backlink to your site?

[homeworkrank201]

To prevent someone from building or re-directing a low-quality links to your site, you can use tools like,
Ahrefs
Open Site Explorer
On regular intervals. You can either request the webmaster to remove the bad link or disavow them.

[riyarao]

You have to monitor your backlinks and rankings there are many tools available like webmaster ahref