kosode.jp - dns.ninja

kosode.jp

DNSSEC⚠️ Not signed
A13.196.64.29🇺🇸 Amazon13.192.0.0/13
PTRec2-13-196-64-29.ap-northeast-1.compute.amazonaws.com
A54.64.239.205🇯🇵 Amazon54.64.0.0/15 EC2 NRT prefix
A57.181.199.27🇯🇵 Amazon57.180.0.0/14 EC2
NSns000.d-53.net
NSdns-b.iij.ad.jp ⚠️ Not in zone NS records
A2001:240:bb81::28:51🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.biz
A202.32.219.51🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.biz
NSdns-c.iij.ad.jp ⚠️ Not in zone NS records
A2001:240:bb81::29:111🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.net
A210.138.20.111🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.net
NSns020-tacll4rd3ovva4bu.t.d-53.info ⚠️ Not in parent delegation
A2001:240:bb81::28:51🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.biz
A202.32.219.51🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.biz
NSns020-tacll4rd3ovva4bu.t.d-53.jp ⚠️ Not in parent delegation
A2001:240:bb81::29:1111🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.org
A203.180.146.111🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.org
NSns020-tacll4rd3ovva4bu.t.d-53.net ⚠️ Not in parent delegation
A2001:240:bb81::29:111🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.net
A210.138.20.111🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.net
TXTv=spf1 a +ip4:54.64.97.194 +ip4:54.150.164.123 include:smp.ne.jp ~all
SOAns000.d-53.netdns-managers@iij.ad.jp serial=604

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1786266902

Same first word

Similar names

DNS History

24 records (9 active, 15 former)

20162017201820192020202120222023202420252026NSdns-b.iij.ad.jpdns-c.iij.ad.jpns000.d-53.netns020-tacll4rd3ovva4bu.t.d-53.infons020-tacll4rd3ovva4bu.t.d-53.jpns020-tacll4rd3ovva4bu.t.d-53.netns02.idc.jpns03.idc.jpns1.b-dock.netns2.b-dock.netMXmail.kosode.jpA13.196.64.2954.64.239.20557.181.199.2713.113.240.7516.76.16.11718.177.157.3735.76.226.10852.193.227.22852.196.54.22854.168.78.11054.238.123.23754.64.97.19457.182.3.153
NSdns-b.iij.ad.jp2026-06-24 → 2026-08-09 · 3 obs
○ 2017-06-27 11:17:00
● 2026-06-24 23:00:00
● 2026-08-09 09:18:02
NSdns-c.iij.ad.jp2026-06-24 → 2026-08-09 · 3 obs
○ 2017-06-27 11:17:00
● 2026-06-24 23:00:00
● 2026-08-09 09:18:02
NSns000.d-53.net2026-06-24 → 2026-08-09 · 3 obs
○ 2017-06-27 11:17:00
● 2026-06-24 23:00:00
● 2026-08-09 09:18:02
NSns02.idc.jp2015-05-26 → 2017-06-27 · 4 obs
● 2015-05-26 14:58:40
● 2017-06-27 11:17:00
○ 2026-06-24 23:00:00
○ 2026-08-09 09:18:02
NSns020-tacll4rd3ovva4bu.t.d-53.info2026-06-24 → 2026-08-09 · 3 obs
○ 2017-06-27 11:17:00
● 2026-06-24 23:00:00
● 2026-08-09 09:18:02
NSns020-tacll4rd3ovva4bu.t.d-53.jp2026-06-24 → 2026-08-09 · 3 obs
○ 2017-06-27 11:17:00
● 2026-06-24 23:00:00
● 2026-08-09 09:18:02
NSns020-tacll4rd3ovva4bu.t.d-53.net2026-06-24 → 2026-08-09 · 3 obs
○ 2017-06-27 11:17:00
● 2026-06-24 23:00:00
● 2026-08-09 09:18:02
NSns03.idc.jp2015-05-26 → 2017-06-27 · 4 obs
● 2015-05-26 14:58:40
● 2017-06-27 11:17:00
○ 2026-06-24 23:00:00
○ 2026-08-09 09:18:02
NSns1.b-dock.net2015-05-26 → 2017-06-27 · 4 obs
● 2015-05-26 14:58:40
● 2017-06-27 11:17:00
○ 2026-06-24 23:00:00
○ 2026-08-09 09:18:02
NSns2.b-dock.net2015-05-26 → 2017-06-27 · 4 obs
● 2015-05-26 14:58:40
● 2017-06-27 11:17:00
○ 2026-06-24 23:00:00
○ 2026-08-09 09:18:02
MXmail.kosode.jp2015-05-26 → 2017-06-27 · 4 obs
● 2015-05-26 14:58:40
● 2017-06-27 11:17:00
○ 2026-06-24 23:00:00
○ 2026-08-09 09:18:02
A13.113.240.752026-06-24 → 2026-08-09 · 2 obs
○ 2026-06-24 23:00:00
○ 2026-08-09 09:18:02
A13.196.64.292026-08-09 → 2026-08-09 · 3 obs
○ 2026-07-10 08:47:22
● 2026-08-09 09:18:00
● 2026-08-09 09:18:02
A16.76.16.1172026-07-10 → 2026-07-10 · 4 obs
○ 2026-06-24 23:00:00
● 2026-07-10 08:47:22
○ 2026-08-09 09:18:00
○ 2026-08-09 09:18:02
A18.177.157.372026-06-24 → 2026-08-09 · 2 obs
○ 2026-06-24 23:00:00
○ 2026-08-09 09:18:02
A35.76.226.1082026-06-24 → 2026-06-24 · 4 obs
○ 2017-06-27 11:17:00
● 2026-06-24 23:00:00
○ 2026-07-10 08:47:22
○ 2026-08-09 09:18:02
A52.193.227.2282026-06-24 → 2026-06-24 · 4 obs
○ 2017-06-27 11:17:00
● 2026-06-24 23:00:00
○ 2026-07-10 08:47:22
○ 2026-08-09 09:18:02
A52.196.54.2282026-07-10 → 2026-07-10 · 4 obs
○ 2026-06-24 23:00:00
● 2026-07-10 08:47:22
○ 2026-08-09 09:18:00
○ 2026-08-09 09:18:02
A54.168.78.1102026-06-24 → 2026-08-09 · 2 obs
○ 2026-06-24 23:00:00
○ 2026-08-09 09:18:02
A54.238.123.2372026-06-24 → 2026-06-24 · 4 obs
○ 2017-06-27 11:17:00
● 2026-06-24 23:00:00
○ 2026-07-10 08:47:22
○ 2026-08-09 09:18:02
A54.64.239.2052026-08-09 → 2026-08-09 · 3 obs
○ 2026-07-10 08:47:22
● 2026-08-09 09:18:00
● 2026-08-09 09:18:02
A54.64.97.1942015-05-26 → 2017-06-27 · 4 obs
● 2015-05-26 14:58:40
● 2017-06-27 11:17:00
○ 2026-06-24 23:00:00
○ 2026-08-09 09:18:02
A57.181.199.272026-08-09 → 2026-08-09 · 3 obs
○ 2026-07-10 08:47:22
● 2026-08-09 09:18:00
● 2026-08-09 09:18:02
A57.182.3.1532026-07-10 → 2026-07-10 · 4 obs
○ 2026-06-24 23:00:00
● 2026-07-10 08:47:22
○ 2026-08-09 09:18:00
○ 2026-08-09 09:18:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpg.dns.jp, c.dns.jp, a.dns.jp, h.dns.jp...-
kosode.jpdns-b.iij.ad.jp, dns-c.iij.ad.jp-

✅ Authoritative Response

Server:202.32.219.51

NS records: dns-b.iij.ad.jp, dns-c.iij.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kosode.jp (unsigned zone)

⏱️ Timing

Total: 1443ms | Queries: -

📄 Records

TypeCountSample Data
A313.196.64.29, 54.64.239.205...
NS3ns020-tacll4rd3ovva4bu.t.d-53.jp, ns020-tacll4rd3ovva4bu.t.d-53.net...
TXT1v=spf1 a +ip4:54.64.97.194 +ip4:54.150.1
SOA1ns000.d-53.net dns-managers.iij.ad.jp

Analysis

IP Addresses

kosode.jp maps to three IP numbers — 13.196.64.29, 54.64.239.205 and 57.181.199.27.

Name Servers

kosode.jp is served by 6 authoritative name servers — among them ns000.d-53.net, ns020-tacll4rd3ovva4bu.t.d-53.info, dns-b.iij.ad.jp and 3 others.

kosode.jp has at least partial name server overlap with other domains, such as 163.149.210.bf.2iij.net, fm-support.co.jp, 90.150.in-addr.arpa and two others.

dns-c.iij.ad.jp, rev.iij-dns.jp and rev.iij-dns.net — plus 6 other name servers — are commonly paired with these name servers.

Hostnames that resolve to two IP addresses:

ns020-tacll4rd3ovva4bu.t.d-53.info resolves to two addresses: 202.32.219.51 and 2001:240:bb81::28:51.

dns-b.iij.ad.jp resolves to two addresses: 202.32.219.51 and 2001:240:bb81::28:51.

dns-c.iij.ad.jp resolves to two addresses: 210.138.20.111 and 2001:240:bb81::29:111.

ns020-tacll4rd3ovva4bu.t.d-53.jp resolves to two addresses: 203.180.146.111 and 2001:240:bb81::29:1111.

ns020-tacll4rd3ovva4bu.t.d-53.net resolves to two addresses: 210.138.20.111 and 2001:240:bb81::29:111.

ns020-tacll4rd3ovva4bu.t.d-53.info along with dns-b.iij.ad.jp each resolve to 2001:240:bb81::28:51 IP addresses.

ns020-tacll4rd3ovva4bu.t.d-53.info along with dns-b.iij.ad.jp each resolve to 202.32.219.51 IP addresses.

dns-c.iij.ad.jp along with ns020-tacll4rd3ovva4bu.t.d-53.net each resolve to 2001:240:bb81::29:111 IP addresses.

dns-c.iij.ad.jp along with ns020-tacll4rd3ovva4bu.t.d-53.net each resolve to 210.138.20.111 IP addresses.