diff --git a/applications/dns.nix b/applications/dns.nix
index 1779af4..9bf428b 100644
--- a/applications/dns.nix
+++ b/applications/dns.nix
@@ -319,7 +319,7 @@ in {
       (create_entry_zone "skynet.ie" extraConfig.owned ) //
       (create_entry_zone "ulcompsoc.ie" extraConfig.owned ) //
 
-      (create_entry_zone "64-127.99.1.193.in-addr.arpa" extraConfig.reverse ) //
+      (create_entry_zone "70-127.99.1.193.in-addr.arpa" extraConfig.reverse ) //
 
       (create_entry_zone "conradcollins.net" extraConfig.old )//
       (create_entry_zone "edelharty.net" extraConfig.old );
@@ -329,7 +329,7 @@ in {
       (create_entry_etc "skynet.ie" "owned") //
       (create_entry_etc "ulcompsoc.ie" "owned") //
 
-      (create_entry_etc "64-127.99.1.193.in-addr.arpa" "reverse") //
+      (create_entry_etc "70-127.99.1.193.in-addr.arpa" "reverse") //
 
       (create_entry_etc "conradcollins.net" "old") //
       (create_entry_etc "edelharty.net" "old");