diff --git a/cacert.com b/cacert.com
index 1e9de54..d690d22 100644
--- a/cacert.com
+++ b/cacert.com
@@ -1,10 +1,10 @@
 ; DNS master zone file for cacert.com, under RCS control
-; @(#)(CAcert) $Id: cacert.com,v 1.19 2014/09/17 14:37:45 root Exp $
+; @(#)(CAcert) $Id: cacert.com,v 1.20 2015/10/26 14:49:58 root Exp $
 
 $TTL	12h	;	default TTL for zone data
 
 @	IN	SOA	ns1.cacert.com. hostmaster.cacert.com. (
-					2014091701	; Serial
+					2015102601	; Serial
 					4h		; refresh time
 					1h		; retry interval
 					2d		; expire time
@@ -21,7 +21,7 @@ $TTL	12h	;	default TTL for zone data
 ns1		IN	A	213.154.225.251		; ns.cacert.org
 ns1		IN	AAAA	2001:7b8:616:0163::102
 ns3		IN	A	46.249.47.169		; mars.overmeer.net
-ns3		IN	AAAA	2a00:1ca8:2a::31
+;; ns3		IN	AAAA	2a00:1ca8:2a::31
 ns4		IN	A	185.49.140.62		; ns-ext.nlnetlabs.nl
 ns4		IN	AAAA	2a04:b900::8:0:0:62
 ns5		IN	A	192.5.4.1		; sns-pb.isc.org
diff --git a/cacert.com.log b/cacert.com.log
index 7d07e3d..c2651f9 100644
--- a/cacert.com.log
+++ b/cacert.com.log
@@ -1,16 +1,20 @@
 
 RCS file: /var/opendnssec/unsigned/RCS/cacert.com,v
 Working file: /var/opendnssec/unsigned/cacert.com
-head: 1.19
+head: 1.20
 branch:
 locks: strict
 access list:
 symbolic names:
 keyword substitution: kv
-total revisions: 19;	selected revisions: 19
+total revisions: 20;	selected revisions: 20
 description:
 cacert.com - zone file for cacert.com
 ----------------------------
+revision 1.20
+date: 2015/10/26 14:49:58;  author: root;  state: Exp;  lines: +3 -3
+Disable IPv6 address for ns3, because this host is currently lacking IPv6 connectivity.
+----------------------------
 revision 1.19
 date: 2014/09/17 14:37:45;  author: root;  state: Exp;  lines: +4 -4
 Update IPv4 and IPv6 addresses for ns4.cacert.org (ns-ext.nlnetlabs.nl).
diff --git a/cacert.net b/cacert.net
index 13ed189..3e05b80 100644
--- a/cacert.net
+++ b/cacert.net
@@ -1,10 +1,10 @@
 ; DNS master zone file for cacert.net, under RCS control
-; @(#)(CAcert) $Id: cacert.net,v 1.20 2014/09/17 14:37:45 root Exp $
+; @(#)(CAcert) $Id: cacert.net,v 1.21 2015/10/26 14:49:58 root Exp $
 
 $TTL	12h	;	default TTL for zone data
 
 @	IN	SOA	ns1.cacert.net. hostmaster.cacert.net. (
-					2014091701	; Serial
+					2015102601	; Serial
 					4h		; refresh time
 					1h		; retry interval
 					2d		; expire time
@@ -21,7 +21,7 @@ $TTL	12h	;	default TTL for zone data
 ns1		IN	A	213.154.225.251		; ns.cacert.org
 ns1		IN	AAAA	2001:7b8:616:0163::102
 ns3		IN	A	46.249.47.169		; mars.overmeer.net
-ns3		IN	AAAA	2a00:1ca8:2a::31
+;; ns3		IN	AAAA	2a00:1ca8:2a::31
 ns4		IN	A	185.49.140.62		; ns-ext.nlnetlabs.nl
 ns4		IN	AAAA	2a04:b900::8:0:0:62
 ns5		IN	A	192.5.4.1		; sns-pb.isc.org
diff --git a/cacert.net.log b/cacert.net.log
index 30fcded..47480fc 100644
--- a/cacert.net.log
+++ b/cacert.net.log
@@ -1,16 +1,20 @@
 
 RCS file: /var/opendnssec/unsigned/RCS/cacert.net,v
 Working file: /var/opendnssec/unsigned/cacert.net
-head: 1.20
+head: 1.21
 branch:
 locks: strict
 access list:
 symbolic names:
 keyword substitution: kv
-total revisions: 20;	selected revisions: 20
+total revisions: 21;	selected revisions: 21
 description:
 cacert.net - DNS master zone file for cacert.net, under RCS control
 ----------------------------
+revision 1.21
+date: 2015/10/26 14:49:58;  author: root;  state: Exp;  lines: +3 -3
+Disable IPv6 address for ns3, because this host is currently lacking IPv6 connectivity.
+----------------------------
 revision 1.20
 date: 2014/09/17 14:37:45;  author: root;  state: Exp;  lines: +4 -4
 Update IPv4 and IPv6 addresses for ns4.cacert.org (ns-ext.nlnetlabs.nl).
diff --git a/cacert.org b/cacert.org
index b573a79..8c65443 100644
--- a/cacert.org
+++ b/cacert.org
@@ -1,10 +1,10 @@
 ; DNS master zone file for cacert.org, under RCS control
-; @(#)(CAcert) $Id: cacert.org,v 1.95 2015/05/26 15:12:10 root Exp $
+; @(#)(CAcert) $Id: cacert.org,v 1.96 2015/10/26 14:49:58 root Exp $
 
 $TTL	12h	;	default TTL for zone data
 
 @	IN	SOA	ns1.cacert.org. hostmaster.cacert.org. (
-					2015052602	; Serial
+					2015102601	; Serial
 					4h		; refresh time
 					1h		; retry interval
 					2d		; expire time
@@ -171,7 +171,7 @@ ns1		IN	A	213.154.225.251		; ns.cacert.org
 ns1		IN	AAAA	2001:7b8:616:0163::102
 
 ns3		IN	A	46.249.47.169		; mars.overmeer.net
-ns3		IN	AAAA	2a00:1ca8:2a::31
+;; ns3		IN	AAAA	2a00:1ca8:2a::31
 
 ns4		IN	A	185.49.140.62		; ns-ext.nlnetlabs.nl
 ns4		IN	AAAA	2a04:b900::8:0:0:62
diff --git a/cacert.org.log b/cacert.org.log
index 8941774..ebda026 100644
--- a/cacert.org.log
+++ b/cacert.org.log
@@ -1,16 +1,20 @@
 
 RCS file: /var/opendnssec/unsigned/RCS/cacert.org,v
 Working file: /var/opendnssec/unsigned/cacert.org
-head: 1.95
+head: 1.96
 branch:
 locks: strict
 access list:
 symbolic names:
 keyword substitution: kv
-total revisions: 95;	selected revisions: 95
+total revisions: 96;	selected revisions: 96
 description:
 cacert.org - zone file for cacert.org
 ----------------------------
+revision 1.96
+date: 2015/10/26 14:49:58;  author: root;  state: Exp;  lines: +3 -3
+Disable IPv6 address for ns3, because this host is currently lacking IPv6 connectivity.
+----------------------------
 revision 1.95
 date: 2015/05/26 15:12:10;  author: root;  state: Exp;  lines: +8 -8
 Clean up fingerprints by dropping internal colons.