diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 Digital Ocean DNS + Let's Encrypt for Node.js
 
 This handles ACME dns-01 challenges, compatible with ACME.js and Greenlock.js.
+Passes [acme-dns-01-test](https://git.rootprojects.org/root/acme-dns-01-test.js).
 
 # Install