koi-tech.co.jp - robtex.com
koi-tech.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.190.171.241🇯🇵 OCN210.190.0.0/16 (AS4713) CIDR BLOCK 20 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | koi-tech.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=1613661200 | ||||||
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.jp2026-02-15 → 2026-04-14 · 3 obs
● 2026-02-15 01:35:54
● 2026-04-14 09:54:22
●NSmwns2.customer.ne.jp2026-02-15 → 2026-04-14 · 3 obs
● 2026-02-15 01:35:54
● 2026-04-14 09:54:22
○NSns-204.dns.jp-e1.cloudn-service.com2016-03-03 → 2020-01-04 · 5 obs
● 2016-03-03 19:28:22
● 2020-01-04 05:00:58
○ 2026-02-15 01:35:54
○ 2026-04-14 09:54:22
○NSns-205.dns.jp-w1.cloudn-service.com2016-03-03 → 2020-01-04 · 5 obs
● 2016-03-03 19:28:22
● 2020-01-04 05:00:58
○ 2026-02-15 01:35:54
○ 2026-04-14 09:54:22
○NSns-206.dns.us-e1.cloudn-service.com2016-03-03 → 2020-01-04 · 5 obs
● 2016-03-03 19:28:22
● 2020-01-04 05:00:58
○ 2026-02-15 01:35:54
○ 2026-04-14 09:54:22
○NSns1.secure.net2015-07-22 → 2015-11-28 · 4 obs
● 2015-11-28 16:41:28
○ 2016-03-03 19:28:22
○ 2026-04-14 09:54:22
○NSns2.secure.net2015-07-22 → 2015-11-28 · 4 obs
● 2015-11-28 16:41:28
○ 2016-03-03 19:28:22
○ 2026-04-14 09:54:22
○MXin.sjc.mx.trendmicro.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-28 16:41:28
○ 2026-04-14 09:54:22
●MXmwbgw1.ocn.ad.jp2015-11-28 → 2026-04-14 · 3 obs
● 2015-11-28 16:41:28
● 2026-04-14 09:54:22
●MXmwbgw2.ocn.ad.jp2015-11-28 → 2026-04-14 · 3 obs
● 2015-11-28 16:41:28
● 2026-04-14 09:54:22
○A153.254.55.1712015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-28 16:41:28
○ 2026-04-14 09:54:22
●A210.190.171.2412026-02-15 → 2026-04-14 · 3 obs
● 2026-02-15 01:35:54
● 2026-04-14 09:54:22
○A61.126.9.2082015-11-28 → 2020-01-04 · 5 obs
● 2015-11-28 16:41:28
● 2020-01-04 05:00:58
○ 2026-02-15 01:35:54
○ 2026-04-14 09:54:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| koi-tech.co.jp | mwns1.customer.ne.jp, mwns2.customer.ne.jp | - |
✅ Authoritative Response
Server:210.150.23.210
NS records: mwns1.customer.ne.jp, mwns2.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koi-tech.co.jp (unsigned zone)
⏱️ Timing
Total: 1774ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.190.171.241 |
| 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
koi-tech.co.jp points to IP number: 210.190.171.241.
Name Servers
koi-tech.co.jp is delegated to two name servers: mwns1.customer.ne.jp and mwns2.customer.ne.jp.
koi-tech.co.jp shares the same name server setup as nishio-gofuku.co.jp, lunet.co.jp, kenss.co.jp, ijkc.jp and yonagoworkhome.jp.
Host names with a single IP:
mwns1.customer.ne.jp points to 210.150.23.210.
mwns2.customer.ne.jp points to 202.17.152.183.
Mail Servers
koi-tech.co.jp is handled by two mail servers: mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.
The mail server setup for koi-tech.co.jp matches that of other domains, for instance best-partners.co.jp, tsuke.show-buy.jp, inzai-net.co.jp, hachikohcontec.co.jp and factory-store.jp.
Host names with a single IP:
mwbgw1.ocn.ad.jp points to 210.145.253.233.
mwbgw2.ocn.ad.jp points to 210.145.253.234.