Merge pull request #1018 from ItsIgnacioPortal/readmeSubs

feat(docs): Added warning about the 'subdomains-top1million' wordlists
danielmiessler · Jun 11, 2024 · 673d00a · 673d00a
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diff --git a/Discovery/DNS/README.md b/Discovery/DNS/README.md
@@ -4,3 +4,10 @@ This wordlist is a combination of the following wordlists with a few subdomains
 - bitquark-subdomains-top100000.txt
 - shubs-subdomains.txt
 - subdomains-top1million-110000.txt
+
+## `subdomains-top1million-*`
+
+> [!WARNING]
+> These wordlists are several years old, they were made in 2015. You will not be able to detect deployments of any services which were invented after 2015 using these wordlists, because their names will not be on the lists.
+
+These wordlists were [zone-transfered from Amazon's Alexa.com](https://gist.github.com/ethicalhack3r/6145925) in 2015. They are lists of the most used subdomains at the time, as reported by Alexa.com.