kohboh.jp - robtex.com
kohboh.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 61.206.7.147🇯🇵 STCN61.206.0.0/20 | ||||||
| NS | www.kohboh.co.jp ⭐ ⚠️ Not in parent delegation | ||||||
| A | 54.168.147.81🇯🇵 Amazon54.168.0.0/16 EC2 NRT prefix | ||||||
| PTR | ec2-54-168-147-81.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns.kohboh.co.jp ⚠️ Not in zone NS records | ||||||
| A | 61.206.7.147🇯🇵 STCN61.206.0.0/20 | ||||||
| NS | ns1.stnet.ad.jp | ||||||
| A | 210.157.224.7🇯🇵 STCN210.157.224.0/19 | ||||||
| PTR | ns1.stnet.ad.jp | ||||||
| MX | cb.kohboh.jp ⭐ | ||||||
| A | 61.206.7.150🇯🇵 STCN61.206.0.0/20 | ||||||
| SOA | www.kohboh.co.jproot@kohboh.co.jp 2021-06-22 #1 | ||||||
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=1776959102 | ||||||
Subdomains
cb.kohboh.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns.kohboh.co.jp2026-03-20 → 2026-04-23 · 3 obs
● 2026-03-20 05:59:44
● 2026-04-23 16:26:22
●NSns1.stnet.ad.jp2015-08-08 → 2026-04-23 · 2 obs
● 2026-04-23 16:26:22
●NSwww.kohboh.co.jp2015-08-08 → 2026-04-23 · 2 obs
● 2026-04-23 16:26:22
●MXcb.kohboh.jp2015-08-08 → 2026-04-23 · 2 obs
● 2026-04-23 16:26:22
●A61.206.7.1472015-08-08 → 2026-04-23 · 2 obs
● 2026-04-23 16:26:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| kohboh.jp | ns1.stnet.ad.jp, ns.kohboh.co.jp | 2 records |
✅ Authoritative Response
Server:210.157.224.7
NS records: ns1.stnet.ad.jp, ns.kohboh.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kohboh.jp (unsigned zone)
⏱️ Timing
Total: 877ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.206.7.147 |
| NS | 2 | www.kohboh.co.jp, ns1.stnet.ad.jp |
| MX | 1 | cb.kohboh.jp (pri: 30) |
| SOA | 1 | www.kohboh.co.jp root.kohboh.co.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.stnet.ad.jp, ns.kohboh.co.jp)
Analysis
Hierarchy
kohboh.jp is the parent of cb.kohboh.jp.
IP Addresses
kohboh.jp points to a single IP number: 61.206.7.147.
Other host names like ns.kohboh.co.jp and kohboh.co.jp share IP numbers with kohboh.jp.
Name Servers
kohboh.jp is delegated to three name servers: ns1.stnet.ad.jp, ns.kohboh.co.jp and www.kohboh.co.jp.
kohboh.jp at least partially shares name servers with other domains, for instance 90.174.203.in-addr.arpa, ymw.co.jp, 224a.7.206.61.in-addr.arpa, 81.215.125.in-addr.arpa and 112a.197.139.203.in-addr.arpa.
These name servers are often used together with the name servers ns2.stnet.ad.jp, ns.hearts.ne.jp, ns1.baobab.or.jp, ns2.baobab.or.jp, ns4.neobb.ne.jp, ns99.stnet.ad.jp, aptosidbox.gallery.ne.jp, ns1.gallery.ne.jp, ns.gallery.ne.jp and ns.awaikeda.net.
Host names with one IP number:
ns1.stnet.ad.jp points to 210.157.224.7.
ns.kohboh.co.jp points to 61.206.7.147.
www.kohboh.co.jp points to 54.168.147.81.
Mail Servers
kohboh.jp is handled by a single mail server, cb.kohboh.jp.
Host name cb.kohboh.jp points to IP address 61.206.7.150.