netst.co.jp - robtex.com
netst.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.154.252.177🇯🇵 OCN210.154.0.0/16 (AS4713) CIDR BLOCK 5 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | netst.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 | netst.co.jp ⭐ | ||||||
| A | 210.154.252.177🇯🇵 OCN210.154.0.0/16 (AS4713) CIDR BLOCK 5 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | netst.co.jp | ||||||
| TXT | v=spf1 a include:_spf.bizmw.com ~all | ||||||
| SOA | mwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613612738 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
PTR for
MX for
netst.co.jp |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
●NSmwns1.customer.ne.jp2026-04-13 → 2026-05-10 · 3 obs
● 2026-04-13 23:56:16
● 2026-05-10 17:39:12
●NSmwns2.customer.ne.jp2026-04-13 → 2026-05-10 · 3 obs
● 2026-04-13 23:56:16
● 2026-05-10 17:39:12
○NSns-210.dns.jp-e1.cloudn-service.com2016-02-10 → 2020-01-21 · 5 obs
● 2016-02-10 18:42:12
● 2020-01-21 03:00:32
○ 2026-04-13 23:56:16
○ 2026-05-10 17:39:12
○NSns-211.dns.jp-w1.cloudn-service.com2016-02-10 → 2020-01-21 · 5 obs
● 2016-02-10 18:42:12
● 2020-01-21 03:00:32
○ 2026-04-13 23:56:16
○ 2026-05-10 17:39:12
○NSns-212.dns.us-e1.cloudn-service.com2016-02-10 → 2020-01-21 · 5 obs
● 2016-02-10 18:42:12
● 2020-01-21 03:00:32
○ 2026-04-13 23:56:16
○ 2026-05-10 17:39:12
○NSns1.secure.net2015-07-01 → 2015-11-12 · 4 obs
● 2015-11-12 10:16:22
○ 2016-02-10 18:42:12
○ 2026-05-10 17:39:12
○NSns2.secure.net2015-07-01 → 2015-11-12 · 4 obs
● 2015-11-12 10:16:22
○ 2016-02-10 18:42:12
○ 2026-05-10 17:39:12
●MXnetst.co.jp2015-07-01 → 2026-05-10 · 2 obs
● 2026-05-10 17:39:12
○A101.110.241.2342015-07-01 → 2015-07-01 · 3 obs
○ 2015-11-12 10:16:22
○ 2026-05-10 17:39:12
○A122.28.47.752015-11-12 → 2020-01-21 · 5 obs
● 2015-11-12 10:16:22
● 2020-01-21 03:00:32
○ 2026-04-13 23:56:16
○ 2026-05-10 17:39:12
●A210.154.252.1772026-04-13 → 2026-05-10 · 3 obs
● 2026-04-13 23:56:16
● 2026-05-10 17:39:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, f.dns.jp, a.dns.jp, g.dns.jp... | - |
| netst.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 netst.co.jp (unsigned zone)
⏱️ Timing
Total: 1128ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.154.252.177 |
| NS | 2 | mwns2.customer.ne.jp, mwns1.customer.ne.jp |
| MX | 1 | netst.co.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
Mail Server Role
The mail server for netst.co.jp is netst.co.jp.
IP Addresses
netst.co.jp points to a single IP address: 210.154.252.177.
Name Servers
Two name servers mwns1.customer.ne.jp and mwns2.customer.ne.jp handle the delegation for netst.co.jp.
netst.co.jp shares the same name server setup as other domains, for example tanaka-kensetu.com, t-cop.co.jp, tss-mfg.com, nisshinkensetsu.co.jp and kazamadaiku.kouji.biz.
Host names with one IP number:
mwns1.customer.ne.jp points to 210.150.23.210; mwns2.customer.ne.jp points to 202.17.152.183.
Mail Servers
One mail server handles netst.co.jp; that server is netst.co.jp.
netst.co.jp points to a single IP number: 210.154.252.177.