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Even when the index is updated - it still no guarantee that your links are going to show up. The Moz index is huge - but still only 25% (or less) of the Google index. Check https://moz.com/help/guides/research-tools/open-site-explorer  - "Just so you know, here's how we compile our index: We grab the most recent index. We take the top 10 billion URLs with the highest MozRank (with a fixed limit on some of the larger domains). We start crawling from the top down until we've crawled 65,000,000,000 pages (which is about 25% the amount in Google's index). Therefore, if the site is not linked to by one of these seed URLs (or one of the URLs linked to by them in the next update) then it won't show up in our index. Sorry! :(" Other tools may have different approaches - this is why it's a good idea to combine different sources to get a better idea of which links you gained (ahrefs, semrush, moz,...and so on) Dirk