k-b-c.jp - robtex.com
k-b-c.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 122.17.179.7🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | k-b-c.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 | k-b-c.jp ⭐ | ||||||
| A | 122.17.179.7🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | k-b-c.jp | ||||||
| TXT | v=spf1 a include:_spf.bizmw.com ~all | ||||||
| SOA | mwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613689859 | ||||||
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=1778407203 | ||||||
PTR for
MX for
k-b-c.jp |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSmwns1.customer.ne.jp2026-05-10 → 2026-05-10 · 2 obs
● 2026-05-10 10:19:08
●NSmwns2.customer.ne.jp2026-05-10 → 2026-05-10 · 2 obs
● 2026-05-10 10:19:08
○NSns-210.dns.jp-e1.cloudn-service.com2015-12-20 → 2017-05-23 · 4 obs
● 2015-12-20 07:47:08
● 2017-05-23 21:49:50
○ 2026-05-10 10:19:08
○NSns-211.dns.jp-w1.cloudn-service.com2015-12-20 → 2017-05-23 · 4 obs
● 2015-12-20 07:47:08
● 2017-05-23 21:49:50
○ 2026-05-10 10:19:08
○NSns-212.dns.us-e1.cloudn-service.com2015-12-20 → 2017-05-23 · 4 obs
● 2015-12-20 07:47:08
● 2017-05-23 21:49:50
○ 2026-05-10 10:19:08
○NSns1.secure.net2015-08-12 → 2015-10-09 · 4 obs
● 2015-10-09 19:52:28
○ 2015-12-20 07:47:08
○ 2026-05-10 10:19:08
○NSns2.secure.net2015-08-12 → 2015-10-09 · 4 obs
● 2015-10-09 19:52:28
○ 2015-12-20 07:47:08
○ 2026-05-10 10:19:08
●MXk-b-c.jp2015-08-12 → 2026-05-10 · 2 obs
● 2026-05-10 10:19:08
○A122.1.224.1592015-08-12 → 2017-05-23 · 3 obs
● 2017-05-23 21:49:50
○ 2026-05-10 10:19:08
●A122.17.179.72026-05-10 → 2026-05-10 · 2 obs
● 2026-05-10 10:19:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| k-b-c.jp | mwns2.customer.ne.jp, mwns1.customer.ne.jp | - |
✅ Authoritative Response
Server:202.17.152.183
NS records: mwns2.customer.ne.jp, mwns1.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for k-b-c.jp (unsigned zone)
⏱️ Timing
Total: 1748ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.17.179.7 |
| NS | 2 | mwns2.customer.ne.jp, mwns1.customer.ne.jp |
| MX | 1 | k-b-c.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 k-b-c.jp is k-b-c.jp.
IP Addresses
k-b-c.jp points to a single IP address: 122.17.179.7.
Name Servers
Two name servers mwns1.customer.ne.jp and mwns2.customer.ne.jp handle the delegation for k-b-c.jp.
k-b-c.jp shares the same name server setup as other domains, for example trapon.co.jp, zen-iro.or.jp, fujii.dr-clinic.jp, nisimura-s.co.jp and grid-co.com.
k-b-c.jp shares name servers with other domains at least partially, for instance lukina.jp.
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 k-b-c.jp; that server is k-b-c.jp.
k-b-c.jp points to a single IP number: 122.17.179.7.