kai-system.co.jp - robtex.com
kai-system.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.227.124.211🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | 140-227-124-211.indigo.static.arena.ne.jp | ||||||
| NS | www.kai-system.co.jp ⭐ | ||||||
| A | 140.227.124.211🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | 140-227-124-211.indigo.static.arena.ne.jp | ||||||
| NS | dns1.win.jp | ||||||
| A | 202.212.171.196🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | 202-212-171-196.indigo.static.arena.ne.jp | ||||||
| NS | dns2.win.jp | ||||||
| A | 164.70.98.47🇯🇵 InfoSphere164.70.64.0/18 INFOSPHERE | ||||||
| PTR | 164-70-98-47.indigo.static.arena.ne.jp | ||||||
| NS | dns3.win.jp | ||||||
| A | 164.70.100.204🇯🇵 InfoSphere164.70.64.0/18 INFOSPHERE | ||||||
| PTR | 164-70-100-204.indigo.static.arena.ne.jp | ||||||
| MX | mail.kai-system.co.jp ⭐ | ||||||
| A | 140.227.124.211🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | 140-227-124-211.indigo.static.arena.ne.jp | ||||||
| TXT | v=spf1 ip4:140.227.124.211 ~all | ||||||
| SOA | www.kai-system.co.jppostmaster@kai-system.co.jp 2020-10-10 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
Same first word
kai-system.co.jp |
Similar names
DNS History
8 records (6 active, 2 former)
●NSwww.kai-system.co.jp2015-08-13 → 2026-05-13 · 2 obs
● 2026-05-13 05:46:56
●MXmail.kai-system.co.jp2015-08-13 → 2026-05-13 · 2 obs
● 2026-05-13 05:46:56
●A140.227.124.2112026-05-02 → 2026-05-13 · 3 obs
● 2026-05-02 01:27:44
● 2026-05-13 05:46:56
○A153.149.8.552015-09-08 → 2017-09-25 · 5 obs
● 2015-09-08 07:27:36
● 2017-09-25 03:38:54
○ 2026-05-02 01:27:44
○ 2026-05-13 05:46:56
○A204.42.149.2432015-08-13 → 2015-08-13 · 3 obs
○ 2015-09-08 07:27:36
○ 2026-05-13 05:46:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| kai-system.co.jp | dns1.win.jp, dns2.win.jp, dns3.win.jp | 3 records |
✅ Authoritative Response
Server:202.212.171.196
NS records: dns1.win.jp, dns2.win.jp, dns3.win.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kai-system.co.jp (unsigned zone)
⏱️ Timing
Total: 769ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.227.124.211 |
| NS | 3 | dns3.win.jp, dns1.win.jp... |
| MX | 1 | mail.kai-system.co.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:140.227.124.211 ~all |
| SOA | 1 | www.kai-system.co.jp postmaster.kai-syst |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (dns1.win.jp, dns2.win.jp, dns3.win.jp)
Analysis
Hierarchy
kai-system.co.jp is the parent of www.kai-system.co.jp and mail.kai-system.co.jp.
IP Addresses
kai-system.co.jp resolves to a single IP: 140.227.124.211.
Other host names, for instance, www.kai-system.co.jp and mail.kai-system.co.jp share IP numbers with kai-system.co.jp.
Name Servers
kai-system.co.jp is delegated to four name servers: dns1.win.jp, dns2.win.jp, dns3.win.jp and www.kai-system.co.jp.
kai-system.co.jp shares some name servers with other domains, for example yado.ne.jp, event.jp, burda.co.jp, win-staff.com and yakitori-yu.net.
These name servers are commonly used with www.yado.ne.jp, www.evnet.jp, mycorp.burda.co.jp, www.burda.co.jp and www.win-staff.com.
Host names with a single IP
dns1.win.jp resolves to 202.212.171.196
dns2.win.jp resolves to 164.70.98.47
dns3.win.jp resolves to 164.70.100.204
www.kai-system.co.jp resolves to 140.227.124.211
Mail Servers
kai-system.co.jp is handled by a single mail server, mail.kai-system.co.jp.
Host name mail.kai-system.co.jp points to IP 140.227.124.211.