computersystemlab.co.jp - dns.ninja

`computersystemlab.co.jp`

DNSSEC	⚠️ Not signed
NS	`ns1.outsourcing.co.jp` ⭐
		A	103.139.239.82^{🇯🇵 JUSTPLAYER103.139.238.0/23 InfiniCloud Co. Ltd. X-Keiro : noc@infinicloud.com}
NS	`ns2.outsourcing.co.jp`
		A	103.139.239.90^{🇯🇵 JUSTPLAYER103.139.238.0/23 InfiniCloud Co. Ltd. X-Keiro : noc@infinicloud.com}
MX	`mailgw3.oneoffice.jp` ⭐
		A	211.7.82.7^{🇯🇵 TOKAI-NETWORK211.7.64.0/19 TOKAI-NET}
TXT	`v=spf1 include:scorpio.oneoffice.jp ~all`
SOA	`ns1.outsourcing.co.jp`sysadmin@justplayer.com 2025-08-29 #0

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (68/100)
WOT: SAFE (58/100)

Subdomains

ssl.computersystemlab.co.jp

www.computersystemlab.co.jp

Same first word

computersystemlab.co.jp

DNS History

8 records (3 active, 5 former)

○NSdns01.computersystemlab.co.jp2015-06-22 → 2016-04-26 · 4 obs

● 2015-06-22 11:19:22
● 2016-04-26 10:52:50
○ 2016-12-30 23:23:48
○ 2026-07-27 22:39:58

○NSns.outsourcing.co.jp2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-26 10:52:50
● 2016-12-30 23:23:48
○ 2026-03-09 15:02:04
○ 2026-07-27 22:39:58

○NSns1.bit-drive.ne.jp2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-26 10:52:50
● 2016-12-30 23:23:48
○ 2026-03-09 15:02:04
○ 2026-07-27 22:39:58

●NSns1.outsourcing.co.jp2026-03-09 → 2026-07-27 · 3 obs

○ 2016-12-30 23:23:48
● 2026-03-09 15:02:04
● 2026-07-27 22:39:58

●NSns2.outsourcing.co.jp2026-03-09 → 2026-07-27 · 3 obs

○ 2016-12-30 23:23:48
● 2026-03-09 15:02:04
● 2026-07-27 22:39:58

○NSuns02.usen.ad.jp2015-06-22 → 2016-04-26 · 4 obs

● 2015-06-22 11:19:22
● 2016-04-26 10:52:50
○ 2016-12-30 23:23:48
○ 2026-07-27 22:39:58

○MXmail.computersystemlab.co.jp2015-06-22 → 2016-04-26 · 4 obs

● 2015-06-22 11:19:22
● 2016-04-26 10:52:50
○ 2016-12-30 23:23:48
○ 2026-07-27 22:39:58

●MXmailgw3.oneoffice.jp2016-12-30 → 2026-07-27 · 3 obs

○ 2016-04-26 10:52:50
● 2016-12-30 23:23:48
● 2026-07-27 22:39:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	c.dns.jp, a.dns.jp, g.dns.jp, e.dns.jp...	-
computersystemlab.co.jp	ns2.outsourcing.co.jp, ns1.outsourcing.co.jp	2 records

✅ Authoritative Response

Server:103.139.239.82

NS records: ns2.outsourcing.co.jp, ns1.outsourcing.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1132ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.outsourcing.co.jp, ns2.outsourcing.co.jp`
MX	1	`mailgw3.oneoffice.jp (pri: 10)`
TXT	1	`v=spf1 include:scorpio.oneoffice.jp ~all`
SOA	1	`ns1.outsourcing.co.jp sysadmin.justplaye`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.outsourcing.co.jp, ns2.outsourcing.co.jp)

Analysis

Hierarchy

The parent domain of ssl.computersystemlab.co.jp and www.computersystemlab.co.jp is computersystemlab.co.jp.

Name Servers

computersystemlab.co.jp uses two name servers for its delegation: ns1.outsourcing.co.jp and ns2.outsourcing.co.jp.

computersystemlab.co.jp has the same name server delegation as a number of other domains, such as empregosnojapao.jp, avance-corp.com, jobavance.com and two more.

At least some of computersystemlab.co.jp's name servers are also used by other domains, among them brexa.com.

Each of ns1.outsourcing.co.jp and ns2.outsourcing.co.jp has one IP address: ns1.outsourcing.co.jp uses 103.139.239.82 and ns2.outsourcing.co.jp uses 103.139.239.90.

Mail Servers

computersystemlab.co.jp routes its mail through a single mail server, mailgw3.oneoffice.jp.

computersystemlab.co.jp has the same mail server arrangement as a number of other domains, for example plus.timescar.jp, yajimaya.co.jp, timesbiz.jp and two more.

computersystemlab.co.jp shares at least some of its mail servers with other domains — for example athlie.ne.jp, marudai.co.jp, marushin-foods.co.jp and two more.

mailgw3.oneoffice.jp directs to just one IP number, 211.7.82.7.