kojo.ed.jp - robtex.com
kojo.ed.jp
ed.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ed.jp. | ||||||
Subdomains
kj.kojo.ed.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXkojo-ed-jp.mail.protection.outlook.com2026-05-06 → 2026-05-11 · 2 obs
● 2026-05-11 03:27:04
●A219.94.171.2262026-05-06 → 2026-05-11 · 2 obs
● 2026-05-11 03:27:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, d.dns.jp, e.dns.jp, f.dns.jp... | - |
| kojo.ed.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kojo.ed.jp (unsigned zone)
⏱️ Timing
Total: 1255ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.171.226 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | kojo-ed-jp.mail.protection.outlook.com ( |
| TXT | 4 | v=spf1 include:spf.protection.outlook.co, apple-domain-verification=Htc1giOZApWhJD... |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
Hierarchy
kj.kojo.ed.jp is a child of kojo.ed.jp.
IP Addresses
kojo.ed.jp resolves to one IP number: 219.94.171.226.
Other host names including kojo.ac.jp, kj.kojo.ed.jp, 226.171.94.219.static.www215b.sakura.ne.jp and jishukan.ed.jp share IP numbers with kojo.ed.jp.
Name Servers
kojo.ed.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
kojo.ed.jp at least partially shares name servers with other domains, including m-k-e.jp, rin5-house.com, wadasika.jp, denovation.jp and t-ate.net.
Host names with a single IP:
master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
A single mail server handles kojo.ed.jp, kojo-ed-jp.mail.protection.outlook.com.
Host kojo-ed-jp.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::1, 52.101.124.0, 52.101.124.1, 52.101.124.6 and 52.101.157.40.