koshimura.jp - robtex.com

koshimura.jp

DNSSEC⚠️ Not signed
A180.222.181.96🇯🇵 AS131921180.222.176.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRcyberbb.net
NSns2.koshimura.jp ⭐
A180.222.181.96🇯🇵 AS131921180.222.176.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRcyberbb.net
NSns1.koshimura.jp
A180.222.181.96🇯🇵 AS131921180.222.176.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRcyberbb.net
MXmail.koshimura.jp ⭐
A180.222.181.96🇯🇵 AS131921180.222.176.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRcyberbb.net
TXTv=spf1 +ip4:180.222.181.96 include:_spf.google.com include:spf.protection.out...
SOAns2.koshimura.jpwebmaster@cyberbb.com 2026-03-03 #1

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=1774394103

Previously MX for

koshimura.jp

Subdomains

ns2.koshimura.jp
mail.koshimura.jp
ns1.koshimura.jp

Same first word

koshimura.com
koshimura.jp

Similar names

kumashiro.com
markushio.com
shimakuro.com
murakoshi.com
shirakumo.com
shimokura.co.jp
kuroshima.biz
shirokuma.hu
shirokuma.info
murakoshi.biz
shirokuma.cafe
shiramoku.com
shirokuma.de
mashkouri.com
kumashiro.co.jp
shirokuma.me
mikrohaus.de
shirokuma.tv
shirokuma.sakura.ne.jp
kuroshima.com
kuroshima.net
shirokuma.in
shirokuma.com
kuroshima.org
mikrohaus.net
mikrohaus.com
marukoshi.net
marukoshi.rs
shirakumo.net
marukoshi.co.jp
shiramoku.net
shirokuma.asia
kiosrumah.com
shirokuma.co.jp
kimurasho.co.jp

DNS History

15 records (4 active, 11 former)

20162017201820192020202120222023202420252026NSns1.koshimura.jpns2.koshimura.jpb202.psi-japan.netb203.psi-japan.netb204.psi-japan.netns1.e-onamae.comns2.e-onamae.comns3.e-onamae.comns4.e-onamae.comMXmail.koshimura.jpkoshimura.jpA180.222.181.96153.149.163.132153.149.43.217199.238.165.222
○NSb202.psi-japan.net2026-03-19 → 2026-03-19 · 4 obs
○ 2017-08-17 18:08:32
● 2026-03-19 04:50:24
○ 2026-03-24 23:54:46
○ 2026-03-24 23:54:50
○NSb203.psi-japan.net2026-03-19 → 2026-03-19 · 4 obs
○ 2017-08-17 18:08:32
● 2026-03-19 04:50:24
○ 2026-03-24 23:54:46
○ 2026-03-24 23:54:50
○NSb204.psi-japan.net2026-03-19 → 2026-03-19 · 4 obs
○ 2017-08-17 18:08:32
● 2026-03-19 04:50:24
○ 2026-03-24 23:54:46
○ 2026-03-24 23:54:50
○NSns1.e-onamae.com2015-08-19 → 2017-08-17 · 4 obs
● 2015-08-19 00:00:00
● 2017-08-17 18:08:32
○ 2026-03-19 04:50:24
○ 2026-03-24 23:54:50
●NSns1.koshimura.jp2026-03-19 → 2026-03-24 · 3 obs
○ 2017-08-17 18:08:32
● 2026-03-19 04:50:24
● 2026-03-24 23:54:50
○NSns2.e-onamae.com2015-12-16 → 2017-08-17 · 5 obs
○ 2015-08-19 00:00:00
● 2015-12-16 06:02:36
● 2017-08-17 18:08:32
○ 2026-03-19 04:50:24
○ 2026-03-24 23:54:50
●NSns2.koshimura.jp2026-03-19 → 2026-03-24 · 3 obs
○ 2017-08-17 18:08:32
● 2026-03-19 04:50:24
● 2026-03-24 23:54:50
○NSns3.e-onamae.com2015-08-19 → 2017-08-17 · 4 obs
● 2015-08-19 00:00:00
● 2017-08-17 18:08:32
○ 2026-03-19 04:50:24
○ 2026-03-24 23:54:50
○NSns4.e-onamae.com2015-08-19 → 2017-08-17 · 4 obs
● 2015-08-19 00:00:00
● 2017-08-17 18:08:32
○ 2026-03-19 04:50:24
○ 2026-03-24 23:54:50
○MXkoshimura.jp2015-08-19 → 2017-08-17 · 4 obs
● 2015-08-19 00:00:00
● 2017-08-17 18:08:32
○ 2026-03-19 04:50:24
○ 2026-03-24 23:54:50
●MXmail.koshimura.jp2026-03-19 → 2026-03-24 · 3 obs
○ 2017-08-17 18:08:32
● 2026-03-19 04:50:24
● 2026-03-24 23:54:50
○A153.149.163.1322016-03-18 → 2017-08-17 · 5 obs
○ 2015-12-16 06:02:36
● 2016-03-18 13:17:10
● 2017-08-17 18:08:32
○ 2026-03-19 04:50:24
○ 2026-03-24 23:54:50
○A153.149.43.2172015-12-16 → 2015-12-16 · 4 obs
○ 2015-09-14 10:42:02
● 2015-12-16 06:02:36
○ 2016-03-18 13:17:10
○ 2026-03-24 23:54:50
●A180.222.181.962026-03-19 → 2026-03-24 · 3 obs
○ 2017-08-17 18:08:32
● 2026-03-19 04:50:24
● 2026-03-24 23:54:50
○A199.238.165.2222015-08-19 → 2015-09-14 · 4 obs
● 2015-08-19 00:00:00
● 2015-09-14 10:42:02
○ 2015-12-16 06:02:36
○ 2026-03-24 23:54:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
koshimura.jpb203.psi-japan.net, ns1.koshimura.jp, b204.psi-japan.net, b202.psi-japan.net...2 records

✅ Authoritative Response

Server:180.222.181.96

NS records: b203.psi-japan.net, ns1.koshimura.jp, b204.psi-japan.net, b202.psi-japan.net, ns2.koshimura.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koshimura.jp (unsigned zone)

⏱️ Timing

Total: 730ms | Queries: -

📄 Records

TypeCountSample Data
A1180.222.181.96
NS2ns1.koshimura.jp, ns2.koshimura.jp
MX1mail.koshimura.jp (pri: 10)
TXT1v=spf1 +ip4:180.222.181.96 include:_spf.
SOA1ns2.koshimura.jp webmaster.cyberbb.com

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.koshimura.jp, ns2.koshimura.jp)

Analysis

Hierarchy

koshimura.jp is a parent of ns2.koshimura.jp, mail.koshimura.jp and ns1.koshimura.jp.

IP Addresses

koshimura.jp resolves to a single IP address: 180.222.181.96.

Other host names including actsa.jp, ns1.atami-ys.net, buzz.jp, ns2.izusan.com and ns1.jyohou.com share IP numbers with koshimura.jp.

Name Servers

koshimura.jp's delegation uses two name servers, ns1.koshimura.jp and ns2.koshimura.jp.

these name servers are commonly used together with b202.psi-japan.net, b203.psi-japan.net and b204.psi-japan.net.

Host names with a single IP:

- ns1.koshimura.jp points to 180.222.181.96

- ns2.koshimura.jp points to 180.222.181.96

Host names that point to 180.222.181.96: ns1.koshimura.jp and ns2.koshimura.jp

Mail Servers

koshimura.jp is handled by a single mail server, mail.koshimura.jp.

mail.koshimura.jp points to a single IP: 180.222.181.96.