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Author Topic: My IPv6 reverse DNS stopped working, worked fine for a year prior.  (Read 3312 times)

kinesis

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  • Posts: 2

Nothing unusual noted in my DNS, Can anyone explain? Did HE.net pull the plug on my reverse authority for 2001:470:c:74::2/64 ?

[k@lunar ~]$ nslookup
> set q=AAAA
> set t=SOA
> 2001:470:c:74::2
Server:         67.210.115.14
Address:        67.210.115.14#53

Non-authoritative answer:
2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.7.0.0.c.0.0.0.0.7.4.0.1.0.0.2.ip6.arpa        name = kinesis-1-pt.tunnel.tserv15.lax1.ipv6.he.net.

Authoritative answers can be found from:
0.7.4.0.1.0.0.2.ip6.arpa        nameserver = ns2.he.net.
0.7.4.0.1.0.0.2.ip6.arpa        nameserver = ns3.he.net.
0.7.4.0.1.0.0.2.ip6.arpa        nameserver = ns4.he.net.
0.7.4.0.1.0.0.2.ip6.arpa        nameserver = ns5.he.net.
0.7.4.0.1.0.0.2.ip6.arpa        nameserver = ns1.he.net.
ns1.he.net      internet address = 216.218.130.2
ns2.he.net      internet address = 216.218.131.2
ns2.he.net      has AAAA address 2001:470:200::2
ns3.he.net      internet address = 216.218.132.2
ns3.he.net      has AAAA address 2001:470:300::2
ns4.he.net      internet address = 216.66.1.2
ns4.he.net      has AAAA address 2001:470:400::2
ns5.he.net      internet address = 216.66.80.18
ns5.he.net      has AAAA address 2001:470:500::2
> exit

[k@lunar ~]$

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broquea

  • Sr. Network Engineer, HE.NET AS6939
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Re: My IPv6 reverse DNS stopped working, worked fine for a year prior.
« Reply #1 on: May 02, 2010, 03:36:33 PM »

Tunnel ptp /64s were never delegated.

The routed /64 and /48 are delegated.
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kinesis

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  • Posts: 2
Re: My IPv6 reverse DNS stopped working, worked fine for a year prior.
« Reply #2 on: May 02, 2010, 09:13:30 PM »

This is the results of what is interfaced to
[k@lunar ~]$ /sbin/ifconfig sit1
sit1      Link encap:IPv6-in-IPv4
          inet6 addr: 2001:470:d:74:0:2:420:4/0 Scope:Global
          inet6 addr: 2001:470:d:74:0:2:420:5/0 Scope:Global
          inet6 addr: 2001:470:d:74:0:2:420:6/0 Scope:Global
          inet6 addr: 2001:470:c:74::2/64 Scope:Global
          inet6 addr: fe80::43d2:730e/64 Scope:Link
          inet6 addr: fe80::43d2:730f/64 Scope:Link
          inet6 addr: 2001:470:d:74::2:420/0 Scope:Global
          inet6 addr: 2001:470:d:74:0:2:420:1/0 Scope:Global
          inet6 addr: 2001:470:d:74:0:2:420:2/0 Scope:Global
          inet6 addr: 2001:470:d:74:0:2:420:3/0 Scope:Global
          UP POINTOPOINT RUNNING NOARP  MTU:1480  Metric:1
          RX packets:12253770 errors:0 dropped:0 overruns:0 frame:0
          TX packets:17405468 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1947681196 (1.8 GiB)  TX bytes:1837393489 (1.7 GiB)

[k@lunar ~]$

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broquea

  • Sr. Network Engineer, HE.NET AS6939
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Re: My IPv6 reverse DNS stopped working, worked fine for a year prior.
« Reply #3 on: May 02, 2010, 09:15:06 PM »

Still delegated:

$ dig -x 2001:470:d:74:0:2:420:4 +trace

; <<>> DiG 9.5.0-P2 <<>> -x 2001:470:d:74:0:2:420:4 +trace
;; global options:  printcmd
.                       128549  IN      NS      j.root-servers.net.
.                       128549  IN      NS      e.root-servers.net.
.                       128549  IN      NS      b.root-servers.net.
.                       128549  IN      NS      m.root-servers.net.
.                       128549  IN      NS      g.root-servers.net.
.                       128549  IN      NS      d.root-servers.net.
.                       128549  IN      NS      c.root-servers.net.
.                       128549  IN      NS      l.root-servers.net.
.                       128549  IN      NS      k.root-servers.net.
.                       128549  IN      NS      f.root-servers.net.
.                       128549  IN      NS      h.root-servers.net.
.                       128549  IN      NS      i.root-servers.net.
.                       128549  IN      NS      a.root-servers.net.
;; Received 509 bytes from 74.82.42.42#53(74.82.42.42) in 1 ms

ip6.arpa.               172800  IN      NS      ns.icann.org.
ip6.arpa.               172800  IN      NS      ns2.lacnic.net.
ip6.arpa.               172800  IN      NS      sec1.apnic.net.
ip6.arpa.               172800  IN      NS      ns-sec.ripe.net.
ip6.arpa.               172800  IN      NS      tinnie.arin.net.
;; Received 221 bytes from 192.36.148.17#53(i.root-servers.net) in 104 ms

0.7.4.0.1.0.0.2.ip6.arpa. 10800 IN      NS      ns5.he.net.
0.7.4.0.1.0.0.2.ip6.arpa. 10800 IN      NS      ns1.he.net.
0.7.4.0.1.0.0.2.ip6.arpa. 10800 IN      NS      ns2.he.net.
0.7.4.0.1.0.0.2.ip6.arpa. 10800 IN      NS      ns3.he.net.
0.7.4.0.1.0.0.2.ip6.arpa. 10800 IN      NS      ns4.he.net.
;; Received 186 bytes from 2001:dc0:2001:a:4608::59#53(sec1.apnic.net) in 1233 ms

4.7.0.0.d.0.0.0.0.7.4.0.1.0.0.2.ip6.arpa. 4900 IN NS ns1.linuxworkshop.net.
4.7.0.0.d.0.0.0.0.7.4.0.1.0.0.2.ip6.arpa. 4900 IN NS ns2.linuxworkshop.net.
;; Received 143 bytes from 2001:470:300::2#53(ns3.he.net) in 12 ms

dig: couldn't get address for 'ns1.linuxworkshop.net': not found
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