Merge pull request #768 from shar0119/patch-2

Updated Readme.md file (1 of 2)

README.md

@@ -315,6 +315,8 @@ You don't have to do anything manually!
 1. ClouDNS.net API
 1. Infoblox NIOS API (https://www.infoblox.com/)
 1. VSCALE (https://vscale.io/)
+1. Dynu API (https://www.dynu.com)
+
 
 **More APIs coming soon...**