Ubuntu/16.04LTS/unbound/log/003.jpについて、ここに記述してください。

1. no

[1549163350] unbound[30764:0] info: control cmd: set_option harden-referral-path no

[1549163392] unbound[30764:0] info: resolving 003.jp. A IN
[1549163392] unbound[30764:0] info: response for 003.jp. A IN
[1549163392] unbound[30764:0] info: reply from <.> 198.41.0.4#53
[1549163392] unbound[30764:0] info: query response was REFERRAL
[1549163392] unbound[30764:0] info: response for 003.jp. A IN
[1549163392] unbound[30764:0] info: reply from <jp.> 210.138.175.244#53
[1549163392] unbound[30764:0] info: query response was REFERRAL
[1549163392] unbound[30764:0] info: response for 003.jp. A IN
[1549163392] unbound[30764:0] info: reply from <003.jp.> 157.112.182.225#53
[1549163392] unbound[30764:0] info: query response was ANSWER

JPサーバーの返すAdditionalを検査せずに使っている。

2. yes

$ unbound-control get_option harden-referral-path
yes

[1549162893] unbound[30764:0] info: control cmd:  get_option logfile
[1549162914] unbound[30764:0] info: control cmd:  flush_zone jp

[1549162944] unbound[30764:0] info: resolving 003.jp. A IN
[1549162944] unbound[30764:0] info: response for 003.jp. A IN
[1549162944] unbound[30764:0] info: reply from <.> 192.5.5.241#53
[1549162944] unbound[30764:0] info: query response was REFERRAL

[1549162944] unbound[30764:0] info: resolving jp. NS IN
[1549162944] unbound[30764:0] info: response for 003.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 203.119.40.1#53
[1549162944] unbound[30764:0] info: query response was REFERRAL

[1549162944] unbound[30764:0] info: resolving 003.jp. NS IN
[1549162944] unbound[30764:0] info: response for 003.jp. A IN
[1549162944] unbound[30764:0] info: reply from <003.jp.> 157.112.182.221#53
[1549162944] unbound[30764:0] info: query response was ANSWER

[1549162944] unbound[30764:0] info: response for jp. NS IN
[1549162944] unbound[30764:0] info: reply from <.> 199.9.14.201#53
[1549162944] unbound[30764:0] info: query response was REFERRAL

[1549162944] unbound[30764:0] info: resolving d.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving e.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving f.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving g.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving h.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving a.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving b.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving c.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving d.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving e.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving f.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving b.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving c.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving h.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving a.dns.jp. A IN
[1549162944] unbound[30764:0] info: response for b.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 203.119.1.1#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: resolving dns.jp. NS IN
[1549162944] unbound[30764:0] info: response for a.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <jp.> 203.119.1.1#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for f.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 203.119.1.1#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for e.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 202.12.30.131#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for dns.jp. NS IN
[1549162944] unbound[30764:0] info: reply from <jp.> 203.119.40.1#53
[1549162944] unbound[30764:0] info: query response was REFERRAL

[1549162944] unbound[30764:0] info: resolving nse.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving nsf.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving nsg.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving nsa.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving nsb.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving nsd.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving nse.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving nsb.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving nsd.dns.jp. A IN
[1549162944] unbound[30764:0] info: resolving nsf.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: resolving nsa.dns.jp. A IN
[1549162944] unbound[30764:0] info: response for h.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <jp.> 203.119.40.1#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for e.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <jp.> 203.119.40.1#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for g.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 203.119.40.1#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for jp. NS IN
[1549162944] unbound[30764:0] info: reply from <jp.> 150.100.6.8#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for c.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 210.138.175.244#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for c.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <jp.> 150.100.6.8#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for a.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 156.154.100.5#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for h.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 156.154.100.5#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for d.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 156.154.100.5#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for a.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.1.4#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for f.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.1.4#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for e.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.1.4#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nse.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 202.12.30.134#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nsg.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.40.4#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nsb.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.1.4#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for dns.jp. NS IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 150.100.6.12#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nsf.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 150.100.6.12#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for d.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <jp.> 192.50.43.53#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: resolving dns.jp. NS IN
[1549162944] unbound[30764:0] info: response for b.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <jp.> 192.50.43.53#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: resolving dns.jp. NS IN
[1549162944] unbound[30764:0] info: response for nse.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 150.100.6.12#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for nsb.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 210.138.175.245#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nsa.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 202.12.30.134#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for h.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.1.4#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for e.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 202.12.30.134#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for nsd.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 150.100.6.12#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nsf.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 210.138.175.245#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for c.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.40.4#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for c.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 150.100.6.12#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for a.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.1.4#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for a.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.40.4#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for d.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 150.100.6.12#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for b.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 192.50.43.153#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nsb.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.1.4#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nsa.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 192.50.43.153#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for nsd.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 192.50.43.153#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for g.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 192.50.43.153#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nse.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 202.12.30.134#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for d.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 210.138.175.245#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for e.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 202.12.30.134#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for b.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.1.4#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for h.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 210.138.175.245#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nsf.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 150.100.6.12#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for c.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 150.100.6.12#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nsa.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 203.119.1.4#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for h.dns.jp. A IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 192.50.43.153#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for nsd.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 150.100.6.12#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for 003.jp. NS IN
[1549162944] unbound[30764:0] info: reply from <.> 192.33.4.12#53
[1549162944] unbound[30764:0] info: query response was REFERRAL

[1549162944] unbound[30764:0] info: resolving jp. NS IN
[1549162944] unbound[30764:0] info: response for b.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 150.100.6.12#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for d.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 192.50.43.153#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for 003.jp. NS IN
[1549162944] unbound[30764:0] info: reply from <jp.> 150.100.6.8#53
[1549162944] unbound[30764:0] info: query response was REFERRAL

[1549162944] unbound[30764:0] info: resolving ns2.xserver.jp. A IN
[1549162944] unbound[30764:0] info: resolving ns3.xserver.jp. A IN
[1549162944] unbound[30764:0] info: resolving ns4.xserver.jp. A IN
[1549162944] unbound[30764:0] info: resolving ns5.xserver.jp. A IN
[1549162944] unbound[30764:0] info: resolving ns1.xserver.jp. A IN
[1549162944] unbound[30764:0] info: response for ns4.xserver.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 203.119.1.1#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: resolving xserver.jp. NS IN
[1549162944] unbound[30764:0] info: response for xserver.jp. NS IN
[1549162944] unbound[30764:0] info: reply from <jp.> 202.12.30.131#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for ns2.xserver.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 202.12.30.131#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for ns1.xserver.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 150.100.6.8#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for ns5.xserver.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 150.100.6.8#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: response for 003.jp. NS IN
[1549162944] unbound[30764:0] info: reply from <003.jp.> 183.90.224.230#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for ns2.xserver.jp. A IN
[1549162944] unbound[30764:0] info: reply from <xserver.jp.> 219.94.203.247#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for ns4.xserver.jp. A IN
[1549162944] unbound[30764:0] info: reply from <xserver.jp.> 210.188.201.246#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for xserver.jp. NS IN
[1549162944] unbound[30764:0] info: reply from <xserver.jp.> 157.112.182.225#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for ns1.xserver.jp. A IN
[1549162944] unbound[30764:0] info: reply from <xserver.jp.> 219.94.200.170#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for ns5.xserver.jp. A IN
[1549162944] unbound[30764:0] info: reply from <xserver.jp.> 210.188.201.246#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for f.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <jp.> 65.22.40.25#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: resolving dns.jp. NS IN
[1549162944] unbound[30764:0] info: response for f.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 202.12.30.134#53
[1549162944] unbound[30764:0] info: query response was nodata ANSWER
[1549162944] unbound[30764:0] info: response for f.dns.jp. AAAA IN
[1549162944] unbound[30764:0] info: reply from <dns.jp.> 210.138.175.245#53
[1549162944] unbound[30764:0] info: query response was ANSWER
[1549162944] unbound[30764:0] info: response for ns3.xserver.jp. A IN
[1549162944] unbound[30764:0] info: reply from <jp.> 65.22.40.25#53
[1549162944] unbound[30764:0] info: query response was REFERRAL
[1549162944] unbound[30764:0] info: resolving xserver.jp. NS IN
[1549162944] unbound[30764:0] info: response for ns3.xserver.jp. A IN
[1549162944] unbound[30764:0] info: reply from <xserver.jp.> 157.112.182.221#53
[1549162944] unbound[30764:0] info: query response was ANSWER