Bill, could you please fix the reverse DNS for 2001:500:84::/48 ? 4.8.0.0.0.0.5.0.1.0.0.2.ip6.arpa. 10800 IN NS DOT.RS.NET. 4.8.0.0.0.0.5.0.1.0.0.2.ip6.arpa. 10800 IN NS NS.ISI.EDU. 4.8.0.0.0.0.5.0.1.0.0.2.ip6.arpa. 10800 IN NS FORK.STH.DNSNODE.NET. $ dig +noall +authority ns 4.8.0.0.0.0.5.0.1.0.0.2.ip6.arpa. @z.arin.net. | sort | while read owner ttl class type ns; do for ip in 4 6; do echo IPv$ip $ns; dig -$ip -x 2001:500:84::b @$ns | egrep 'status|server'; done; done IPv4 DOT.RS.NET. ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 19543 IPv6 DOT.RS.NET. ;; connection timed out; no servers could be reached IPv4 FORK.STH.DNSNODE.NET. ;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 46556 IPv6 FORK.STH.DNSNODE.NET. ;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 49477 IPv4 NS.ISI.EDU. ;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 52907 IPv6 NS.ISI.EDU. dig: couldn't get address for 'NS.ISI.EDU.': not found Tony. -- f.anthony.n.finch <dot@dotat.at> http://dotat.at/ West FitzRoy: Cyclonic becoming northwesterly 4 or 5, occasionally 6. Moderate, occasionally rough. Occasional rain at first. Moderate or good.