systemstack.co.jp - dns.ninja

`systemstack.co.jp`

DNSSEC	⚠️ Not signed
A	122.28.54.64^{🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
		PTR	`systemstack.co.jp`
NS	`mwns1.customer.ne.jp` ⭐
		A	210.150.23.210^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
NS	`mwns2.customer.ne.jp`
		A	202.17.152.183^{🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE}
MX	`mwbgw1.ocn.ad.jp` ⭐
		A	210.145.253.233^{🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
MX	`mwbgw2.ocn.ad.jp` ⭐
		A	210.145.253.234^{🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
TXT	`v=spf1 a include:_spf.bizmw.com ~all`
SOA	`mwns1.customer.ne.jp`host-plan-ac@ntt.com serial=1614080178

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

PTR for

64.54.28.122.in-addr.arpa

Same first word

systemstack.co.jp

Similar names

stacksystem.jp

stacksystem.co.jp

DNS History

13 records (5 active, 8 former)

●NSmwns1.customer.ne.jp2026-02-28 → 2026-06-13 · 3 obs

○ 2019-02-26 12:23:02
● 2026-02-28 08:56:32
● 2026-06-13 00:01:02

●NSmwns2.customer.ne.jp2026-02-28 → 2026-06-13 · 3 obs

○ 2019-02-26 12:23:02
● 2026-02-28 08:56:32
● 2026-06-13 00:01:02

○NSns-213.dns.jp-e1.cloudn-service.com2016-01-29 → 2019-02-26 · 5 obs

○ 2015-11-20 08:45:20
● 2016-01-29 12:25:20
● 2019-02-26 12:23:02
○ 2026-02-28 08:56:32
○ 2026-06-13 00:01:02

○NSns-214.dns.jp-w1.cloudn-service.com2016-01-29 → 2019-02-26 · 5 obs

○ 2015-11-20 08:45:20
● 2016-01-29 12:25:20
● 2019-02-26 12:23:02
○ 2026-02-28 08:56:32
○ 2026-06-13 00:01:02

○NSns-215.dns.us-e1.cloudn-service.com2016-01-29 → 2019-02-26 · 5 obs

○ 2015-11-20 08:45:20
● 2016-01-29 12:25:20
● 2019-02-26 12:23:02
○ 2026-02-28 08:56:32
○ 2026-06-13 00:01:02

○NSns1.secure.net2015-07-18 → 2015-11-20 · 4 obs

● 2015-07-18 09:12:00
● 2015-11-20 08:45:20
○ 2016-01-29 12:25:20
○ 2026-06-13 00:01:02

○NSns2.secure.net2015-07-18 → 2015-11-20 · 4 obs

● 2015-07-18 09:12:00
● 2015-11-20 08:45:20
○ 2016-01-29 12:25:20
○ 2026-06-13 00:01:02

○MXin.sjc.mx.trendmicro.com2015-07-18 → 2015-07-18 · 3 obs

● 2015-07-18 09:12:00
○ 2015-11-20 08:45:20
○ 2026-06-13 00:01:02

●MXmwbgw1.ocn.ad.jp2015-11-20 → 2026-06-13 · 3 obs

○ 2015-07-18 09:12:00
● 2015-11-20 08:45:20
● 2026-06-13 00:01:02

●MXmwbgw2.ocn.ad.jp2015-11-20 → 2026-06-13 · 3 obs

○ 2015-07-18 09:12:00
● 2015-11-20 08:45:20
● 2026-06-13 00:01:02

○A101.110.255.72015-07-18 → 2015-07-18 · 3 obs

● 2015-07-18 09:12:00
○ 2015-11-20 08:45:20
○ 2026-06-13 00:01:02

●A122.28.54.642026-02-28 → 2026-06-13 · 3 obs

○ 2019-02-26 12:23:02
● 2026-02-28 08:56:32
● 2026-06-13 00:01:02

○A211.129.1.942015-11-20 → 2019-02-26 · 5 obs

○ 2015-07-18 09:12:00
● 2015-11-20 08:45:20
● 2019-02-26 12:23:02
○ 2026-02-28 08:56:32
○ 2026-06-13 00:01:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	h.dns.jp, b.dns.jp, d.dns.jp, c.dns.jp...	-
systemstack.co.jp	mwns2.customer.ne.jp, mwns1.customer.ne.jp	-

✅ Authoritative Response

Server:202.17.152.183

NS records: mwns2.customer.ne.jp, mwns1.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1352ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`122.28.54.64`
NS	2	`mwns1.customer.ne.jp, mwns2.customer.ne.jp`
MX	2	`mwbgw2.ocn.ad.jp (pri: 10), mwbgw1.ocn.ad.jp (pri: 10)`
TXT	1	`v=spf1 a include:_spf.bizmw.com ~all`
SOA	1	`mwns1.customer.ne.jp host-plan-ac.ntt.co`

Analysis

IP Addresses

systemstack.co.jp resolves to just one IP address, 122.28.54.64.

Name Servers

Two name servers handle the delegation for systemstack.co.jp: mwns1.customer.ne.jp and mwns2.customer.ne.jp.

systemstack.co.jp shares its NS records with other domains, for example atagokonishi.ecnet.jp, kyowakg.co.jp, kouyo-kensetsu.co.jp and two others.

mwns1.customer.ne.jp and mwns2.customer.ne.jp each resolve to one IP number: mwns1.customer.ne.jp points to 210.150.23.210 and mwns2.customer.ne.jp points to 202.17.152.183.

Mail Servers

systemstack.co.jp is served by two mail servers, mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.

Among the domains sharing a mail server setup with systemstack.co.jp are goukesyoukai.co.jp, sonami.jp, city.aki.kochi.jp and two others.

mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp each resolve to one IP number: mwbgw1.ocn.ad.jp points to 210.145.253.233 and mwbgw2.ocn.ad.jp points to 210.145.253.234.