diff --git a/rc/curlrc b/rc/curlrc
index 7f28a6bb..7ea4533e 100644
--- a/rc/curlrc
+++ b/rc/curlrc
@@ -1,18 +1,19 @@
 # ~/.curlrc
 
-# https://dns0.eu - Anycast with servers in the EU. Private ECS.
+# https://dns0.eu - Anycast with servers in the EU. Private ECS. DNSSEC.
+# Non-profit.
 #doh-url = https://dns0.eu/
-#doh-url = https://open.dns0.eu/
+doh-url = https://open.dns0.eu/
 
 # https://adguard-dns.io - anycast with servers in multiple continents,
-# private ECS
+# private ECS.
 #doh-url = https://unfiltered.adguard-dns.com/dns-query
 
 
-# https://quad9.net - Anycast, no ECS
+# https://quad9.net - Anycast, no ECS. Malicious domain filtering. Non-profit.
 #doh-url = https://dns.quad9.net/dns-query
 # ECS
-doh-url = https://dns11.quad9.net/dns-query
+#doh-url = https://dns11.quad9.net/dns-query
 
 # Attempt to use HTTP/3
 http3