I have read and followed the "Reporting Problems" section on the Contact page. I am removing these five pre-filled lines to demonstrate that I really read it. I am providing the full details as requested on the mentioned Contact page. If I do not remove this, then please ignore this message as I didn't read it anyway. ------------------------------------------------------------------------------>8 Tunnel T91970 PoP Name beanr01 subnet 2a02:578:3fe:805b::/64 Reverse dns is not working. Doing a trace ends up @ edpnet. reverse dns on the local machine does work. dig -n -x 2a02:578:3fe:805b::10 +trace ; <<>> DiG 9.7.3 <<>> -n -x 2a02:578:3fe:805b::10 +trace ;; global options: +cmd . 75859 IN NS a.root-servers.net. . 75859 IN NS b.root-servers.net. . 75859 IN NS c.root-servers.net. . 75859 IN NS d.root-servers.net. . 75859 IN NS e.root-servers.net. . 75859 IN NS f.root-servers.net. . 75859 IN NS g.root-servers.net. . 75859 IN NS h.root-servers.net. . 75859 IN NS i.root-servers.net. . 75859 IN NS j.root-servers.net. . 75859 IN NS k.root-servers.net. . 75859 IN NS l.root-servers.net. . 75859 IN NS m.root-servers.net. ;; Received 228 bytes from 8.8.8.8#53(8.8.8.8) in 31 ms ip6.arpa. 172800 IN NS f.ip6-servers.arpa. ip6.arpa. 172800 IN NS a.ip6-servers.arpa. ip6.arpa. 172800 IN NS e.ip6-servers.arpa. ip6.arpa. 172800 IN NS c.ip6-servers.arpa. ip6.arpa. 172800 IN NS d.ip6-servers.arpa. ip6.arpa. 172800 IN NS b.ip6-servers.arpa. ;; Received 462 bytes from 192.228.79.201#53(b.root-servers.net) in 170 ms 0.a.2.ip6.arpa. 86400 IN NS ns3.nic.fr. 0.a.2.ip6.arpa. 86400 IN NS pri.authdns.ripe.net. 0.a.2.ip6.arpa. 86400 IN NS sec1.apnic.net. 0.a.2.ip6.arpa. 86400 IN NS sec3.apnic.net. 0.a.2.ip6.arpa. 86400 IN NS sns-pb.isc.org. 0.a.2.ip6.arpa. 86400 IN NS tinnie.arin.net. ;; Received 260 bytes from 2001:43f8:110::11#53(c.ip6-servers.arpa) in 223 ms 8.7.5.0.2.0.a.2.ip6.arpa. 172800 IN NS ns2.edpnet.net. 8.7.5.0.2.0.a.2.ip6.arpa. 172800 IN NS ns1.edpnet.net. ;; Received 136 bytes from 2001:500:2e::1#53(sns-pb.isc.org) in 175 ms 8.7.5.0.2.0.a.2.ip6.arpa. 64800 IN SOA ns1.edpnet.net. admin.edpnet.net. 2011090201 10800 3600 2419200 64800 ;; Received 146 bytes from 2a02:578:1001:3:212:71:8:11#53(ns2.edpnet.net) in 22 ms