diff --git a/v3/odoh-relays.md b/v3/odoh-relays.md
index b92844f0..2c62e766 100644
--- a/v3/odoh-relays.md
+++ b/v3/odoh-relays.md
@@ -33,3 +33,10 @@ Oblivious DoH relay running on Fastly Compute@Edge.
 Maintained by Frank Denis.
 
 sdns://hQcAAAAAAAAAACCi3jNJDEdtNW4tvHN8J3lpIklSa2Wrj7qaNCgEgci9_BpvZG9oLXJlbGF5LmVkZ2Vjb21wdXRlLmFwcAEv
+
+
+## odohrelay-marco.cx
+
+Oblivious DoH relay by marco.cx - https://odoh-relay.marco.cx
+
+sdns://hQcAAAAAAAAADjEwNC4yMzguMTU4LjU0ABNvZG9oLXJlbGF5Lm1hcmNvLmN4Bi9wcm94eQ