diff --git a/master/db.net.freifunk.hamburg b/master/db.net.freifunk.hamburg
index 13936db..7daa966 100644
--- a/master/db.net.freifunk.hamburg
+++ b/master/db.net.freifunk.hamburg
@@ -86,9 +86,8 @@ srv02			A	193.96.224.250
 srv03			A	80.252.100.117
 			AAAA	2a00:1f78:c:e::a
 			MX	10 srv03.hamburg.freifunk.net.
-srv04			A	80.252.100.116
+ch03			A	80.252.100.116
 			AAAA	2a00:1f78:c:e::b
-			MX	10 srv04.hamburg.freifunk.net.
 mail2			A	193.96.224.229
 			AAAA	2a03:2267:ffff:c00::e
 			MX	10 mail2.hamburg.freifunk.net.