diff --git a/not_cloudflare/list_customerror.txt b/not_cloudflare/list_customerror.txt
index ceac6b8e5..17c623288 100644
--- a/not_cloudflare/list_customerror.txt
+++ b/not_cloudflare/list_customerror.txt
@@ -59,6 +59,7 @@ cycleworld.com
 davidmburke.com
 dcleak.com
 delivery.acm.org
+delta.com
 demorgen.be
 digicert.com
 digitalenvelopes.email
@@ -142,6 +143,7 @@ manta.com
 meaningness.com
 midtnmusic.com
 mixcloud.com
+monkeyandmekitchenadventures.com
 moodle.org
 mosquitomagnet.com
 motorcyclecruiser.com