Domain Inbound & Outbound Link Checker
What Are Inbound Links? – MOZ
Links (also called backlinks or inbound links) are created when one page hyperlinks to another page; you can think of them like votes that pass visitors and link equity to your site from other pages on the web. Search engines use these to understand content and to gauge the importance of pages and websites.
Check your site’s inbound links / backlinks with MOZ Link Explorer – The world’s best backlink checker with over 40 trillion links.