okabe-e.ed.jp - robtex.com
okabe-e.ed.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.233.184.46🇯🇵 IIJ-AS210.233.184.0/24 IIJ Customer route | ||||||
| NS | dns2.knet.ad.jp ⭐ | ||||||
| A | 210.233.168.11🇯🇵 IIJ-AS210.233.168.0/24 IIJ Customer route | ||||||
| PTR | dns2.knet.ad.jp | ||||||
| NS | dns.knet.ad.jp | ||||||
| A | 210.233.168.10🇯🇵 IIJ-AS210.233.168.0/24 IIJ Customer route | ||||||
| PTR | dns.knet.ad.jp | ||||||
| MX | mail.okabe-e.ed.jp ⭐ | ||||||
| A | 210.233.184.101🇯🇵 IIJ-AS210.233.184.0/24 IIJ Customer route | ||||||
| PTR | www.okabe-e.ed.jp.184.233.210.in-addr.arpa | ||||||
| TXT | v=spf1 ip4:210.233.184.0/24 ~all | ||||||
| SOA | dns.knet.ad.jppostmaster@www.okabe-e.ed.jp 2019-12-21 #1 | ||||||
ed.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ed.jp. | ||||||
Subdomains
Same first word
okabe-e.ed.jp |
Similar names
DNS History
6 records (4 active, 2 former)
●NSdns.knet.ad.jp2015-06-10 → 2026-07-06 · 2 obs
● 2026-07-06 19:24:02
●NSdns2.knet.ad.jp2015-06-10 → 2026-07-06 · 2 obs
● 2026-07-06 19:24:02
●MXmail.okabe-e.ed.jp2026-05-27 → 2026-07-06 · 3 obs
● 2026-05-27 17:48:48
● 2026-07-06 19:24:02
○MXwww.okabe-e.ed.jp2015-06-10 → 2017-03-22 · 4 obs
● 2017-03-22 16:12:50
○ 2026-05-27 17:48:48
○ 2026-07-06 19:24:02
○A210.233.184.412015-06-10 → 2017-03-22 · 4 obs
● 2017-03-22 16:12:50
○ 2026-05-27 17:48:48
○ 2026-07-06 19:24:02
●A210.233.184.462026-05-27 → 2026-07-06 · 3 obs
● 2026-05-27 17:48:48
● 2026-07-06 19:24:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, g.dns.jp, b.dns.jp, d.dns.jp... | - |
| okabe-e.ed.jp | dns.knet.ad.jp, dns2.knet.ad.jp | 2 records |
✅ Authoritative Response
Server:210.233.168.10
NS records: dns.knet.ad.jp, dns2.knet.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for okabe-e.ed.jp (unsigned zone)
⏱️ Timing
Total: 1832ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.233.184.46 |
| NS | 2 | dns.knet.ad.jp, dns2.knet.ad.jp |
| MX | 1 | mail.okabe-e.ed.jp (pri: 0) |
| TXT | 1 | v=spf1 ip4:210.233.184.0/24 ~all |
| SOA | 1 | dns.knet.ad.jp postmaster.www.okabe-e.ed |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns2.knet.ad.jp, dns.knet.ad.jp)
Analysis
Hierarchy
www.okabe-e.ed.jp and mail.okabe-e.ed.jp each fall under okabe-e.ed.jp as their parent domain.
IP Addresses
okabe-e.ed.jp resolves to just one IP address, 210.233.184.46.
Two other host names, along with www.fukaya-toyosato-j.ed.jp, okabe-j.ed.jp and fukaya-toyosato-e.ed.jp, also share IP numbers with okabe-e.ed.jp.
Name Servers
okabe-e.ed.jp is served by two delegated name servers, dns2.knet.ad.jp and dns.knet.ad.jp.
okabe-e.ed.jp shares its NS records with other domains, for example socio.jp, lhs-m.jp, ikiiki-zaidan.or.jp and two others.
okabe-e.ed.jp and other domains like knet.ad.jp, m-m-k.co.jp and city.fukaya.saitama.jp share some name servers
These name servers are routinely deployed together with the name servers dns3.knet.ad.jp.
dns2.knet.ad.jp → 210.233.168.11 and dns.knet.ad.jp → 210.233.168.10: one IP number per host name.
Mail Servers
The sole mail server for okabe-e.ed.jp is mail.okabe-e.ed.jp.
There is one IP number for mail.okabe-e.ed.jp: 210.233.184.101.