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+To integrate Shodan sub-domain retrieval into Sn1per, edit your ~/.sniper.conf file and enter your Shodan API key and enable the Shodan plugin by changing the value to "1":
+
+```
+# SHODAN API KEY
+SHODAN_API_KEY=""
+SHODAN="1"
+```
+
+Note: This only works under "recon" mode scans (ie. -re switch):
+
+```
+sniper -t example.com -re -w example.com 
+```
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