diff --git a/dnsfilter/safesearch.go b/dnsfilter/safesearch.go
index d7f4ce07..6b0c2f19 100644
--- a/dnsfilter/safesearch.go
+++ b/dnsfilter/safesearch.go
@@ -14,6 +14,10 @@ var safeSearchDomains = map[string]string{
 
 	"www.bing.com": "strict.bing.com",
 
+	"duckduckgo.com":       "safe.duckduckgo.com",
+	"www.duckduckgo.com":   "safe.duckduckgo.com",
+	"start.duckduckgo.com": "safe.duckduckgo.com",
+
 	"www.google.com":    "forcesafesearch.google.com",
 	"www.google.ad":     "forcesafesearch.google.com",
 	"www.google.ae":     "forcesafesearch.google.com",