oksys.co.jp - robtex.com

oksys.co.jp

DNSSEC⚠️ Not signed
A140.227.103.93🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE
PTRoksys.co.jp
NSns3.sphere.ad.jp ⭐
A202.239.113.22🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE
PTRns3.sphere.ad.jp
NSns4.sphere.ad.jp
A202.239.113.30🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE
PTRns4.sphere.ad.jp
MXoksys.co.jp ⭐
A140.227.103.93🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE
PTRoksys.co.jp
TXTv=spf1 include:fmx.etius.jp +ip4:140.227.102.2/32 +ip4:140.227.103.93/32 -all
SOAns3.sphere.ad.jpdns@sphere.ad.jp serial=1617600511

co.jp

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

PTR for

93.103.227.140.in-addr.arpa

MX for

oksys.co.jp

Same first word

oksys.com
oksys.co.jp
oksys.eu
oksys.it
oksys.de
oksys.ru
oksys.no

Similar names

ksyos.nl
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ossky.com
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kosys.com
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yksos.org
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ossky.net
skyos.org
ksyos.co.uk
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skyso.com
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kosys.tv
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skyos.ru
sysko.sk
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ossky.org
yskos.com
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sysok.com
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skosy.pl
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kosys.cc
okssy.com
sysko.ch
sysko.eu
kyoss.net
sysko.org
sosky.ru
kosys.eu
skyos.co
yksos.net
sysko.jp

DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026NSns3.sphere.ad.jpns4.sphere.ad.jpns5.sphere.ad.jpns6.sphere.ad.jpMXoksys.co.jpa.mx.oksys.co.jpA140.227.103.93203.138.177.180
●NSns3.sphere.ad.jp2026-07-01 → 2026-08-06 · 3 obs
○ 2016-11-20 14:25:46
● 2026-07-01 10:18:04
● 2026-08-06 23:21:28
●NSns4.sphere.ad.jp2026-07-01 → 2026-08-06 · 3 obs
○ 2016-11-20 14:25:46
● 2026-07-01 10:18:04
● 2026-08-06 23:21:28
○NSns5.sphere.ad.jp2015-08-14 → 2016-11-20 · 4 obs
● 2015-08-14 07:52:56
● 2016-11-20 14:25:46
○ 2026-07-01 10:18:04
○ 2026-08-06 23:21:28
○NSns6.sphere.ad.jp2015-08-14 → 2016-11-20 · 4 obs
● 2015-08-14 07:52:56
● 2016-11-20 14:25:46
○ 2026-07-01 10:18:04
○ 2026-08-06 23:21:28
○MXa.mx.oksys.co.jp2015-08-14 → 2016-11-20 · 4 obs
● 2015-08-14 07:52:56
● 2016-11-20 14:25:46
○ 2026-07-01 10:18:04
○ 2026-08-06 23:21:28
●MXoksys.co.jp2026-07-01 → 2026-08-06 · 3 obs
○ 2016-11-20 14:25:46
● 2026-07-01 10:18:04
● 2026-08-06 23:21:28
●A140.227.103.932026-07-01 → 2026-08-06 · 3 obs
○ 2016-11-20 14:25:46
● 2026-07-01 10:18:04
● 2026-08-06 23:21:28
○A203.138.177.1802015-08-14 → 2016-11-20 · 4 obs
● 2015-08-14 07:52:56
● 2016-11-20 14:25:46
○ 2026-07-01 10:18:04
○ 2026-08-06 23:21:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
oksys.co.jpns3.sphere.ad.jp, ns4.sphere.ad.jp-

✅ Authoritative Response

Server:202.239.113.30

NS records: ns3.sphere.ad.jp, ns4.sphere.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1677ms | Queries: -

📄 Records

TypeCountSample Data
A1140.227.103.93
NS2ns3.sphere.ad.jp, ns4.sphere.ad.jp
MX1oksys.co.jp (pri: 10)
TXT1v=spf1 include:fmx.etius.jp +ip4:140.227
SOA1ns3.sphere.ad.jp dns.sphere.ad.jp

Analysis

Mail Server Role

oksys.co.jp handles its own mail, functioning as its own mail server.

IP Addresses

oksys.co.jp resolves to just one IP address, 140.227.103.93.

Name Servers

DNS delegation for oksys.co.jp points to two name servers: ns3.sphere.ad.jp and ns4.sphere.ad.jp.

oksys.co.jp shares its NS records with other domains, for example nashimoto.jp, e-kinari.com, dc1.test201.etius.jp and two others.

Both ns3.sphere.ad.jp and ns4.sphere.ad.jp have a single IP address each — ns3.sphere.ad.jp resolves to 202.239.113.22 while ns4.sphere.ad.jp resolves to 202.239.113.30.

Mail Servers

oksys.co.jp is served by just one mail server: oksys.co.jp.

oksys.co.jp has exactly one IP number: 140.227.103.93.