Hi, i got the same problem like DS7-6BONE -> (https://www.sixxs.net/tickets/?msg=tickets-4714717) izis:~ slug$ dig ptr 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.1.e.8.6.3.0.1.0.a.2.ip6.arpa @ns1-dynv6.hdsnet.hu ; <<>> DiG 9.6.0-APPLE-P2 <<>> ptr 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.1.e.8.6.3.0.1.0.a.2.ip6.arpa @ns1-dynv6.hdsnet.hu ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28291 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.1.e.8.6.3.0.1.0.a.2.ip6.arpa. IN PTR ;; ANSWER SECTION: 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.1.e.8.6.3.0.1.0.a.2.ip6.arpa. 3600 IN PTR 2a01-0368-e102-0000-0000-0000-0000-0001.pool6.digikabel.hu. ;; AUTHORITY SECTION: 8.6.3.0.1.0.a.2.ip6.arpa. 86400INNSns2-dynv6.hdsnet.hu. 8.6.3.0.1.0.a.2.ip6.arpa. 86400INNSns1-dynv6.hdsnet.hu. ;; Query time: 109 msec ;; SERVER: 2a01:368:a:200::100#53(2a01:368:a:200::100) ;; WHEN: Wed May 18 15:21:52 2011 ;; MSG SIZE rcvd: 217 izis:~ slug$ dig ptr 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.1.e.8.6.3.0.1.0.a.2.ip6.arpa ; <<>> DiG 9.6.0-APPLE-P2 <<>> ptr 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.1.e.8.6.3.0.1.0.a.2.ip6.arpa ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54245 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.1.e.8.6.3.0.1.0.a.2.ip6.arpa. IN PTR ;; AUTHORITY SECTION: 1.e.8.6.3.0.1.0.a.2.ip6.arpa. 217 INSOAlocalhost. hostmaster.sixxs.net. 2011051604 10800 3600 2419200 604800 ;; Query time: 14 msec ;; SERVER: 2a01:368:a::1#53(2a01:368:a::1) ;; WHEN: Wed May 18 15:22:42 2011 ;; MSG SIZE rcvd: 155