jcsstaff.jp - robtex.com

jcsstaff.jp

DNSSEC⚠️ Not signed
A210.152.8.30🇯🇵 IDC210.152.0.0/20 Frontier Inc.
PTR210-152-8-30.jp-west.compute.idcfcloud.com
NSnsx.clara.co.jp
A202.3.141.140🇯🇵 CLARA-AS-AP202.3.140.0/22 CLARA, Inc.
NSjcs-ns.clara.co.jp
A35.72.83.245🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRjcs-ns.clara.co.jp
NSns.convention.co.jp
A182.50.102.183🇯🇵 CLARA-AS-AP182.50.96.0/21 CLARA, Inc. Mita 3chome Bldg, 8 3-14-10, Mita
PTRt102-183.dedicated.clara.ne.jp
MXjcsstaff-jp.mail.protection.outlook.com
A2a01:111:f403:cc1a::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A2a01:111:f403:cc1a::2🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00302.inbound.protection.outlook.com
A2a01:111:f403:cc1f::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01201.inbound.protection.outlook.com
A2a01:111:f403:cc24::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.5🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00305.inbound.protection.outlook.com
A52.101.124.6🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00206.inbound.protection.outlook.com
A52.101.157.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01302.inbound.protection.outlook.com
A52.101.157.40🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os9p286cu00100.inbound.protection.outlook.com
TXTgoogle-site-verification=yDNYllklUT7aHkkmypONU4iLmVO8IkAylarH97GzP6s
TXTgoogle-site-verification=AV89GTo0wzwYvKCP9SsMbTx607goj4_ci16rZIa0Jgw
TXTv=spf1 ip4:182.50.102.148 include:spf.mta.hdems.com include:spf.protection.ou...
SOAnsx.clara.co.jpnoc-report@clara.co.jp 2025-07-17 #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=1784740502

Subdomains

Same first word

DNS History

6 records (5 active, 1 former)

20192020202120222023202420252026NSjcs-ns.clara.co.jpns.convention.co.jpnsx.clara.co.jpns.jcsstaff.jpMXjcsstaff-jp.mail.protection.outlook.comA210.152.8.30
NSjcs-ns.clara.co.jp2026-04-25 → 2026-07-22 · 3 obs
○ 2018-05-07 15:43:32
● 2026-04-25 07:45:38
● 2026-07-22 17:31:50
NSns.convention.co.jp2026-04-25 → 2026-07-22 · 3 obs
○ 2018-05-07 15:43:32
● 2026-04-25 07:45:38
● 2026-07-22 17:31:50
NSns.jcsstaff.jp2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 15:43:32
○ 2026-04-25 07:45:38
○ 2026-07-22 17:31:50
NSnsx.clara.co.jp2018-05-07 → 2026-07-22 · 2 obs
● 2018-05-07 15:43:32
● 2026-07-22 17:31:50
MXjcsstaff-jp.mail.protection.outlook.com2018-05-07 → 2026-07-22 · 2 obs
● 2018-05-07 15:43:32
● 2026-07-22 17:31:50
A210.152.8.302026-04-25 → 2026-07-22 · 2 obs
● 2026-04-25 07:45:38
● 2026-07-22 17:31:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
jcsstaff.jpns.convention.co.jp, jcs-ns.clara.co.jp1 record

✅ Authoritative Response

Server:35.72.83.245

NS records: ns.convention.co.jp, jcs-ns.clara.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jcsstaff.jp (unsigned zone)

⏱️ Timing

Total: 2290ms | Queries: -

📄 Records

TypeCountSample Data
A1210.152.8.30
NS2ns.convention.co.jp, jcs-ns.clara.co.jp
MX1jcsstaff-jp.mail.protection.outlook.com
TXT3google-site-verification=AV89GTo0wzwYvKC, v=spf1 ip4:182.50.102.148 include:spf.mt...
SOA1nsx.clara.co.jp noc-report.clara.co.jp

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns.convention.co.jp)

Analysis

Hierarchy

jcsstaff.jp serves as the parent of www.jcsstaff.jp.

IP Addresses

jcsstaff.jp points to a single IP number: 210.152.8.30.

Additional host names — hibaraito.jp, kaigo-kango-kyuujin.com, seniorjob-navi.com and two others — share IP numbers with jcsstaff.jp.

Name Servers

jcsstaff.jp carries NS records delegating to jcs-ns.clara.co.jp, nsx.clara.co.jp and ns.convention.co.jp.

jcsstaff.jp has at least partial name server overlap with other domains, such as ensure.ne.jp, e-outlet.jp, kawamoto.co.jp and two others.

s15.clara.co.jp, nsx2.clara.co.jp and ns.threepro.co.jp — plus 3 other name servers — are commonly paired with these name servers.

jcs-ns.clara.co.jp points to 35.72.83.245; nsx.clara.co.jp points to 202.3.141.140; ns.convention.co.jp points to 182.50.102.183 — each hostname maps to exactly one IP address.

Mail Servers

jcsstaff.jp has one mail server: jcsstaff-jp.mail.protection.outlook.com.

jcsstaff-jp.mail.protection.outlook.com points to 8 IP numbers: 52.101.124.5, 52.101.124.6, 52.101.157.10 and 5 other.