jnsystem.co.jp - robtex.com

jnsystem.co.jp

DNSSEC⚠️ Not signed
A219.94.163.60🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1450.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXjnsystem-co-jp.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::2🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00302.inbound.protection.outlook.com
A2a01:111:f403:cc1a::3🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc1f::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os9p286cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc24::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.0🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A52.101.124.1🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A52.101.157.11🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01203.inbound.protection.outlook.com
A52.101.157.40🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os9p286cu00100.inbound.protection.outlook.com
TXTv=spf1 a:www1450.sakura.ne.jp mx include:spf.protection.outlook.com include:_...
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-02-23 #2

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Same first word

jnsystem.co.jp

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpdns3.dion.ne.jpns.jnsystem.co.jpnsk0.secure.ne.jpnsk1.secure.ne.jpMXjnsystem-co-jp.mail.protection.outlook.commx2.jnsystem.co.jpns.jnsystem.co.jpA219.94.163.60
○NSdns3.dion.ne.jp2015-04-14 → 2017-01-02 · 4 obs
● 2015-04-14 15:12:12
● 2017-01-02 03:39:16
○ 2018-01-29 05:46:56
○ 2026-04-14 05:42:34
●NSmaster.dns.ne.jp2026-04-14 → 2026-04-14 · 2 obs
○ 2018-01-29 05:46:56
● 2026-04-14 05:42:34
○NSns.jnsystem.co.jp2015-04-14 → 2017-01-02 · 4 obs
● 2015-04-14 15:12:12
● 2017-01-02 03:39:16
○ 2018-01-29 05:46:56
○ 2026-04-14 05:42:34
●NSns1.dns.ne.jp2026-04-14 → 2026-04-14 · 2 obs
○ 2018-01-29 05:46:56
● 2026-04-14 05:42:34
●NSns2.dns.ne.jp2026-04-14 → 2026-04-14 · 2 obs
○ 2018-01-29 05:46:56
● 2026-04-14 05:42:34
○NSnsk0.secure.ne.jp2018-01-29 → 2018-01-29 · 3 obs
○ 2017-01-02 03:39:16
● 2018-01-29 05:46:56
○ 2026-04-14 05:42:34
○NSnsk1.secure.ne.jp2018-01-29 → 2018-01-29 · 3 obs
○ 2017-01-02 03:39:16
● 2018-01-29 05:46:56
○ 2026-04-14 05:42:34
●MXjnsystem-co-jp.mail.protection.outlook.com2015-04-14 → 2026-04-14 · 2 obs
● 2015-04-14 15:12:12
● 2026-04-14 05:42:34
○MXmx2.jnsystem.co.jp2015-04-14 → 2015-04-14 · 3 obs
● 2015-04-14 15:12:12
○ 2015-10-17 09:16:02
○ 2026-04-14 05:42:34
○MXns.jnsystem.co.jp2015-04-14 → 2015-04-14 · 3 obs
● 2015-04-14 15:12:12
○ 2015-10-17 09:16:02
○ 2026-04-14 05:42:34
●A219.94.163.602026-04-14 → 2026-04-14 · 1 obs
● 2026-04-14 05:42:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, c.dns.jp, b.dns.jp, g.dns.jp...-
jnsystem.co.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jnsystem.co.jp (unsigned zone)

⏱️ Timing

Total: 878ms | Queries: -

📄 Records

TypeCountSample Data
A1219.94.163.60
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1jnsystem-co-jp.mail.protection.outlook.c
TXT1v=spf1 a:www1450.sakura.ne.jp mx include
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

IP Addresses

jnsystem.co.jp points to a single IP number: 219.94.163.60.

Other host names, for instance www1450.sakura.ne.jp, studio-nya3.sakura.ne.jp, imaikami.sakura.ne.jp, shimura-clinic.com and kitahiro-navi.sakura.ne.jp share IP numbers with jnsystem.co.jp.

Name Servers

The domain jnsystem.co.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

jnsystem.co.jp shares name servers with other domains at least partially, for instance jasriq.sakura.ne.jp, sunny247.xyz, enishi-kasugai.net, offseason.sakura.ne.jp and nsakuma.com.

these name servers are often used together with the name servers dns.sakura.ad.jp.

Host names with a single IP number:

master.dns.ne.jp points to 210.224.172.18.

ns1.dns.ne.jp points to 61.211.236.1.

ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

The mail server for jnsystem.co.jp is jnsystem-co-jp.mail.protection.outlook.com.

Host jnsystem-co-jp.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::, 2a01:111:f403:cc24::, 52.101.124.0, 52.101.124.1, 52.101.157.11 and 52.101.157.40.