syscrew.co.jp - robtex.com
syscrew.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.43.241.3🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | syscrew.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.jphost-plan-ac@ntt.com serial=1613536799 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
PTR for
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
●NSmwns1.customer.ne.jp2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 06:47:36
●NSmwns2.customer.ne.jp2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 06:47:36
○NSns-213.dns.jp-e1.cloudn-service.com2016-02-07 → 2018-08-26 · 4 obs
● 2016-02-07 17:43:40
● 2018-08-26 17:38:36
○ 2026-03-26 06:47:36
○NSns-214.dns.jp-w1.cloudn-service.com2016-02-07 → 2018-08-26 · 4 obs
● 2016-02-07 17:43:40
● 2018-08-26 17:38:36
○ 2026-03-26 06:47:36
○NSns-215.dns.us-e1.cloudn-service.com2016-02-07 → 2018-08-26 · 4 obs
● 2016-02-07 17:43:40
● 2018-08-26 17:38:36
○ 2026-03-26 06:47:36
○NSns1.secure.net2015-06-30 → 2015-11-07 · 4 obs
● 2015-11-07 00:51:20
○ 2016-02-07 17:43:40
○ 2026-03-26 06:47:36
○NSns2.secure.net2015-06-30 → 2015-11-07 · 4 obs
● 2015-11-07 00:51:20
○ 2016-02-07 17:43:40
○ 2026-03-26 06:47:36
○MXin.sjc.mx.trendmicro.com2015-06-30 → 2015-11-07 · 4 obs
● 2015-11-07 00:51:20
○ 2016-02-07 17:43:40
○ 2026-03-26 06:47:36
●MXmwbgw1.ocn.ad.jp2016-02-07 → 2026-03-26 · 3 obs
● 2016-02-07 17:43:40
● 2026-03-26 06:47:36
●MXmwbgw2.ocn.ad.jp2016-02-07 → 2026-03-26 · 3 obs
● 2016-02-07 17:43:40
● 2026-03-26 06:47:36
○A153.254.39.62015-06-30 → 2015-11-07 · 4 obs
● 2015-11-07 00:51:20
○ 2016-02-07 17:43:40
○ 2026-03-26 06:47:36
●A60.43.241.32026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 06:47:36
○A61.126.36.1282016-02-07 → 2018-08-26 · 4 obs
● 2016-02-07 17:43:40
● 2018-08-26 17:38:36
○ 2026-03-26 06:47:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| syscrew.co.jp | mwns1.customer.ne.jp, mwns2.customer.ne.jp | - |
✅ Authoritative Response
Server:202.17.152.183
NS records: mwns1.customer.ne.jp, mwns2.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for syscrew.co.jp (unsigned zone)
⏱️ Timing
Total: 1423ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 60.43.241.3 |
| 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
syscrew.co.jp points to a single IP address: 60.43.241.3.
Name Servers
syscrew.co.jp is delegated to two name servers: mwns1.customer.ne.jp and mwns2.customer.ne.jp.
syscrew.co.jp uses the same name server setup as other domains, including nagashimaseni.co.jp, morito.ecnet.jp, wako-sg.co.jp, pacifico.co.jp and tiara-t.co.jp.
Hostnames with a single IP
mwns1.customer.ne.jp resolves to: 210.150.23.210.
mwns2.customer.ne.jp resolves to: 202.17.152.183.
Mail Servers
syscrew.co.jp is handled by two mail servers: mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.
syscrew.co.jp uses the same mail server setup as other domains, for instance ukyo.kyoto.med.or.jp, agcs.co.jp, kiyosumi.ecnet.jp, masuda-mfg.co.jp and douryoku.co.jp.
Some mail servers are shared between syscrew.co.jp and other domains, for instance robson.co.jp.
Hostnames with a single IP
mwbgw1.ocn.ad.jp resolves to: 210.145.253.233.
mwbgw2.ocn.ad.jp resolves to: 210.145.253.234.