chubusystem.jp - robtex.com

chubusystem.jp

DNSSEC⚠️ Not signed
A202.226.39.177🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRsv337.xserver.jp
NSns1.xserver.jp
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXchubusystem.jp
A202.226.39.177🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRsv337.xserver.jp
TXTv8wnqxf816v884f3909n7n2s3mf1r4j8
TXTgoogle-site-verification=tyA9KnMqVTGsz0CzqqlEiPdqXLGv0LJ9Cxvfoe97ekQ
TXTnxltw2znx668xxcmvqjds40z4bv5xnxl
TXTv=spf1 +a:sv337.xserver.jp +a:chubusystem.jp +mx include:spf.sender.xserver.j...
TXTMS=65206F692FAE17FA5167743611DF60A997C52E32
TXT7591xw181c0w5g58jb3ccqkhc3dxd0f9
TXTworksmobile-certification=pawl0dhxwiv4swvwxf-i37y4r2brnafjn-2tjxgdbcp
SOAns1.xserver.jproot@sv0.xserver.jp serial=0

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=1784891702

MX for

Subdomains

Same first word

DNS History

8 records (7 active, 1 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXchubusystem.jpA202.226.39.177219.94.203.177
NSns1.xserver.jp2015-05-21 → 2026-07-24 · 2 obs
● 2015-05-21 00:38:34
● 2026-07-24 11:59:44
NSns2.xserver.jp2015-05-21 → 2026-07-24 · 2 obs
● 2015-05-21 00:38:34
● 2026-07-24 11:59:44
NSns3.xserver.jp2015-05-21 → 2026-07-24 · 2 obs
● 2015-05-21 00:38:34
● 2026-07-24 11:59:44
NSns4.xserver.jp2015-05-21 → 2026-07-24 · 2 obs
● 2015-05-21 00:38:34
● 2026-07-24 11:59:44
NSns5.xserver.jp2015-05-21 → 2026-07-24 · 2 obs
● 2015-05-21 00:38:34
● 2026-07-24 11:59:44
MXchubusystem.jp2015-05-21 → 2026-07-24 · 2 obs
● 2015-05-21 00:38:34
● 2026-07-24 11:59:44
A202.226.39.1772026-03-05 → 2026-07-24 · 3 obs
○ 2017-07-03 13:27:42
● 2026-03-05 17:53:08
● 2026-07-24 11:59:44
A219.94.203.1772015-05-21 → 2017-07-03 · 4 obs
● 2015-05-21 00:38:34
● 2017-07-03 13:27:42
○ 2026-03-05 17:53:08
○ 2026-07-24 11:59:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, h.dns.jp, d.dns.jp, e.dns.jp...-
chubusystem.jpns2.xserver.jp, ns5.xserver.jp, ns3.xserver.jp, ns1.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.164

NS records: ns2.xserver.jp, ns5.xserver.jp, ns3.xserver.jp, ns1.xserver.jp, ns4.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chubusystem.jp (unsigned zone)

⏱️ Timing

Total: 818ms | Queries: -

📄 Records

TypeCountSample Data
A1202.226.39.177
NS5ns2.xserver.jp, ns3.xserver.jp...
MX1chubusystem.jp (pri: 0)
TXT7nxltw2znx668xxcmvqjds40z4bv5xnxl, 7591xw181c0w5g58jb3ccqkhc3dxd0f9...
SOA1ns1.xserver.jp root.sv0.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

Hierarchy

www.chubusystem.jp is delegated beneath chubusystem.jp.

Mail Server Role

The MX record for chubusystem.jp points back to chubusystem.jp — it is its own mail server.

IP Addresses

chubusystem.jp directs to one IP number, which is 202.226.39.177.

Among the host names that share IP numbers with chubusystem.jp are flec.jp, hteletec.co.jp, g-housen.co.jp and two others.

Name Servers

The authoritative name servers for chubusystem.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

There is at least partial name server overlap between chubusystem.jp and other domains — mituko.jp, seisakusho.jp, skycorp.co.jp and two more among them.

These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hosts with three IP address records:

ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts that resolve to one IP address:

ns2.xserver.jp resolves to 35.72.43.26.

ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

The MX record for chubusystem.jp points to a single mail server: chubusystem.jp.

chubusystem.jp points to one IP number — 202.226.39.177.