koseline.com - robtex.com
koseline.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.43.224.78🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | koseline.com | ||||||
| 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=1613904174 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786529289 | ||||||
PTR for
Same first word
koseline.com |
Similar names
DNS History
9 records (5 active, 4 former)
●NSmwns1.customer.ne.jp2026-07-13 → 2026-08-12 · 3 obs
● 2026-07-13 13:38:50
● 2026-08-12 10:17:30
●NSmwns2.customer.ne.jp2026-07-13 → 2026-08-12 · 3 obs
● 2026-07-13 13:38:50
● 2026-08-12 10:17:30
○NSns-207.dns.jp-e1.cloudn-service.com2016-12-16 → 2018-07-27 · 4 obs
● 2018-07-27 01:08:52
○ 2026-07-13 13:38:50
○ 2026-08-12 10:17:30
○NSns-208.dns.jp-w1.cloudn-service.com2016-12-16 → 2018-07-27 · 4 obs
● 2018-07-27 01:08:52
○ 2026-07-13 13:38:50
○ 2026-08-12 10:17:30
○NSns-209.dns.us-e1.cloudn-service.com2016-12-16 → 2018-07-27 · 4 obs
● 2018-07-27 01:08:52
○ 2026-07-13 13:38:50
○ 2026-08-12 10:17:30
●A60.43.224.782026-07-13 → 2026-08-12 · 3 obs
● 2026-07-13 13:38:50
● 2026-08-12 10:17:30
○A61.126.34.1662016-12-16 → 2018-07-27 · 4 obs
● 2018-07-27 01:08:52
○ 2026-07-13 13:38:50
○ 2026-08-12 10:17:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| koseline.com | 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 koseline.com (unsigned zone)
⏱️ Timing
Total: 1147ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 60.43.224.78 |
| NS | 2 | mwns1.customer.ne.jp, mwns2.customer.ne.jp |
| MX | 2 | mwbgw1.ocn.ad.jp (pri: 10), mwbgw2.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
koseline.com has exactly one IP address — 60.43.224.78.
Name Servers
The NS records for koseline.com delegate to mwns1.customer.ne.jp and mwns2.customer.ne.jp.
The name server configuration of koseline.com is shared with other domains, for instance ad-factory.co.jp, k1-eng.co.jp, nankai-jari.co.jp and two others.
mwns1.customer.ne.jp → 210.150.23.210 and mwns2.customer.ne.jp → 202.17.152.183: one IP number per host name.
Mail Servers
koseline.com uses two mail servers, mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.
The mail server setup of koseline.com matches that of other domains such as aplas.co.jp, nsjc.or.jp, bejoy.jp and two others.
mwbgw1.ocn.ad.jp → 210.145.253.233 and mwbgw2.ocn.ad.jp → 210.145.253.234: one IP number per host name.