simplesystems.jp - dns.ninja
simplesystems.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.43.206.104🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | simplesystems.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.jphost-plan-ac@ntt.com serial=1614073342 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1784135702 | ||||||
PTR for
Same first word
DNS History
13 records (5 active, 8 former)
●NSmwns1.customer.ne.jp2026-07-15 → 2026-07-15 · 2 obs
● 2026-07-15 17:36:44
●NSmwns2.customer.ne.jp2026-07-15 → 2026-07-15 · 2 obs
● 2026-07-15 17:36:44
○NSns-213.dns.jp-e1.cloudn-service.com2016-01-25 → 2017-01-09 · 4 obs
● 2016-01-25 17:42:20
● 2017-01-09 00:01:04
○ 2026-07-15 17:36:44
○NSns-214.dns.jp-w1.cloudn-service.com2016-01-25 → 2017-01-09 · 4 obs
● 2016-01-25 17:42:20
● 2017-01-09 00:01:04
○ 2026-07-15 17:36:44
○NSns-215.dns.us-e1.cloudn-service.com2016-01-25 → 2017-01-09 · 4 obs
● 2016-01-25 17:42:20
● 2017-01-09 00:01:04
○ 2026-07-15 17:36:44
○NSns1.secure.net2015-06-19 → 2015-11-05 · 4 obs
● 2015-11-05 11:22:30
○ 2016-01-25 17:42:20
○ 2026-07-15 17:36:44
○NSns2.secure.net2015-06-19 → 2015-11-05 · 4 obs
● 2015-11-05 11:22:30
○ 2016-01-25 17:42:20
○ 2026-07-15 17:36:44
○MXin.sjc.mx.trendmicro.com2015-06-19 → 2015-06-19 · 3 obs
○ 2015-11-05 11:22:30
○ 2026-07-15 17:36:44
●MXmwbgw1.ocn.ad.jp2015-11-05 → 2026-07-15 · 3 obs
● 2015-11-05 11:22:30
● 2026-07-15 17:36:44
●MXmwbgw2.ocn.ad.jp2015-11-05 → 2026-07-15 · 3 obs
● 2015-11-05 11:22:30
● 2026-07-15 17:36:44
○A118.23.160.2232015-11-05 → 2017-01-09 · 4 obs
● 2015-11-05 11:22:30
● 2017-01-09 00:01:04
○ 2026-07-15 17:36:44
○A27.50.101.1932015-06-19 → 2015-06-19 · 3 obs
○ 2015-11-05 11:22:30
○ 2026-07-15 17:36:44
●A60.43.206.1042026-07-15 → 2026-07-15 · 2 obs
● 2026-07-15 17:36:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| simplesystems.jp | mwns2.customer.ne.jp, mwns1.customer.ne.jp | - |
✅ Authoritative Response
Server:210.150.23.210
NS records: mwns2.customer.ne.jp, mwns1.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for simplesystems.jp (unsigned zone)
⏱️ Timing
Total: 1711ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 60.43.206.104 |
| NS | 2 | mwns2.customer.ne.jp, mwns1.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
simplesystems.jp resolves to just one IP address, 60.43.206.104.
Name Servers
The NS records for simplesystems.jp delegate to mwns1.customer.ne.jp and mwns2.customer.ne.jp.
simplesystems.jp shares its NS records with other domains, for example wakana.co.jp, techno-support.co.jp, yamaxjp.com and two others.
Both mwns1.customer.ne.jp and mwns2.customer.ne.jp have a single IP address each — mwns1.customer.ne.jp resolves to 210.150.23.210 while mwns2.customer.ne.jp resolves to 202.17.152.183.
Mail Servers
simplesystems.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 simplesystems.jp are e-sakamoto.co.jp, eco-craft.co.jp, jh-s.jp and two others.
simplesystems.jp has mail servers in common with other domains — ark-pro.net being one example.
Both mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp have a single IP address each — mwbgw1.ocn.ad.jp resolves to 210.145.253.233 while mwbgw2.ocn.ad.jp resolves to 210.145.253.234.