the DS entry does not show in DNS. I thing it was working sometime. the DS entry was made on 2011-03-25 19:55:53 according the log, so there should have been enough time to propagate the entry to the DNS Servers dig +trace -t ds 7.5.1.0.8.1.4.1.1.0.0.2.ip6.arpa ; <<>> DiG 9.8.0-P2 <<>> +trace -t ds 7.5.1.0.8.1.4.1.1.0.0.2.ip6.arpa ;; global options: +cmd . 487923 IN NS l.root-servers.net. . 487923 IN NS b.root-servers.net. . 487923 IN NS c.root-servers.net. . 487923 IN NS h.root-servers.net. . 487923 IN NS f.root-servers.net. . 487923 IN NS d.root-servers.net. . 487923 IN NS g.root-servers.net. . 487923 IN NS j.root-servers.net. . 487923 IN NS e.root-servers.net. . 487923 IN NS m.root-servers.net. . 487923 IN NS i.root-servers.net. . 487923 IN NS k.root-servers.net. . 487923 IN NS a.root-servers.net. ;; Received 436 bytes from #53() in 0 ms ip6.arpa. 172800 IN NS f.ip6-servers.arpa. ip6.arpa. 172800 IN NS d.ip6-servers.arpa. ip6.arpa. 172800 IN NS b.ip6-servers.arpa. ip6.arpa. 172800 IN NS e.ip6-servers.arpa. ip6.arpa. 172800 IN NS a.ip6-servers.arpa. ip6.arpa. 172800 IN NS c.ip6-servers.arpa. ;; Received 422 bytes from 2001:500:2f::f#53(f.root-servers.net) in 52 ms 4.1.1.0.0.2.ip6.arpa. 86400 IN NS sec1.apnic.net. 4.1.1.0.0.2.ip6.arpa. 86400 IN NS tinnie.arin.net. 4.1.1.0.0.2.ip6.arpa. 86400 IN NS sec3.apnic.net. 4.1.1.0.0.2.ip6.arpa. 86400 IN NS sns-pb.isc.org. 4.1.1.0.0.2.ip6.arpa. 86400 IN NS pri.authdns.ripe.net. 4.1.1.0.0.2.ip6.arpa. 86400 IN NS ns3.nic.fr. ;; Received 206 bytes from 2001:13c7:7012::53#53(d.ip6-servers.arpa) in 364 ms 8.1.4.1.1.0.0.2.ip6.arpa. 172800 IN NS ns.mil.itgate.net. 8.1.4.1.1.0.0.2.ip6.arpa. 172800 IN NS ns-v6.ripe.net. 8.1.4.1.1.0.0.2.ip6.arpa. 172800 IN NS ns.trn.itgate.net. ;; Received 127 bytes from 2001:67c:e0::5#53(pri.authdns.ripe.net) in 65 ms 1.0.8.1.4.1.1.0.0.2.ip6.arpa. 172800 IN NS ns1.sixxs.net. 1.0.8.1.4.1.1.0.0.2.ip6.arpa. 172800 IN NS ns3.sixxs.net. 1.0.8.1.4.1.1.0.0.2.ip6.arpa. 172800 IN NS ns2.sixxs.net. ;; Received 113 bytes from 2001:1418:1:101::fe#53(ns.trn.itgate.net) in 45 ms 1.0.8.1.4.1.1.0.0.2.ip6.arpa. 604800 IN SOA localhost. hostmaster.sixxs.net. 2012022002 10800 3600 2419200 604800 ;; Received 143 bytes from 2001:7e8:1:102::a#53(ns2.sixxs.net) in 74 ms