diff --git a/API.md b/API.md
index a41ff09..837ed28 100644
--- a/API.md
+++ b/API.md
@@ -444,4 +444,4 @@ d.f.ip6.arpa    IN      DS      56676 10 2 d93cfd941025aaa445283d33e27157bb9a2df
 4736    ; DN42 Authoritative Zone
 
 ... and so on
-```
\ No newline at end of file
+```
diff --git a/contrib/sync_rootzone.sh b/contrib/sync_rootzone.sh
index 51b180f..15f9622 100755
--- a/contrib/sync_rootzone.sh
+++ b/contrib/sync_rootzone.sh
@@ -27,6 +27,7 @@ IGNORE_RECORDS=(
     'collector.dn42'
     '1.0.6.2.2.4.2.4.2.4.d.f.ip6.arpa'
     '160/27.129.20.172.in-addr.arpa'
+    '0/27.129.20.172.in-addr.arpa'
 )
 
 ##########################################################################
@@ -112,7 +113,7 @@ function usage {
 
 # default options
 DEBUG=0
-APIURL="http://grc.burble.dn42:8043/api"
+APIURL="http://explorer.collector.dn42/api"
 COMMITFILE="/tmp/.sync_rz_commit"
 
 # parse any arguments passed to the script