keio-e.ed.jp - robtex.com
keio-e.ed.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 131.113.218.10🇯🇵 KEIO-NET131.113.0.0/16 Keio University, Japan | ||||||
| PTR | net.keio.org | ||||||
| PTR | k12.keio-e.ed.jp | ||||||
| PTR | k12.k12.keio.ac.jp | ||||||
| NS | k12.keio-e.ed.jp ⭐ | ||||||
| A | 131.113.218.10🇯🇵 KEIO-NET131.113.0.0/16 Keio University, Japan | ||||||
| PTR | net.keio.org | ||||||
| PTR | k12.keio-e.ed.jp | ||||||
| PTR | k12.k12.keio.ac.jp | ||||||
| NS | boston.yochisha.keio.ac.jp ⚠️ Not in parent delegation | ||||||
| A | 2001:df0:eb:e600:a00:20ff:fec3:3d77🇯🇵 KEIO-NET2001:df0:eb::/48 Keio University, Japan | ||||||
| A | 131.113.218.247🇯🇵 KEIO-NET131.113.0.0/16 Keio University, Japan | ||||||
| PTR | boston.tufts.jp | ||||||
| PTR | ns.keio.org | ||||||
| PTR | boston.yochisha.keio.ac.jp | ||||||
| PTR | tufts.yochisha.keio.ac.jp | ||||||
| MX | k12.keio-e.ed.jp ⭐ | ||||||
| A | 131.113.218.10🇯🇵 KEIO-NET131.113.0.0/16 Keio University, Japan | ||||||
| PTR | net.keio.org | ||||||
| PTR | k12.keio-e.ed.jp | ||||||
| PTR | k12.k12.keio.ac.jp | ||||||
| SOA | k12.keio-e.ed.jproot@keio-e.ed.jp 2024-10-05 #1 | ||||||
ed.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ed.jp. | ||||||
Subdomains
k12.keio-e.ed.jp |
Same first word
keio-e.ed.jp |
Similar names
DNS History
4 records (4 active, 0 former)
●NSboston.yochisha.keio.ac.jp2026-02-17 → 2026-05-11 · 3 obs
● 2026-02-17 03:30:16
● 2026-05-11 01:15:40
●NSk12.keio-e.ed.jp2015-06-25 → 2026-05-11 · 2 obs
● 2026-05-11 01:15:40
●MXk12.keio-e.ed.jp2015-06-25 → 2026-05-11 · 2 obs
● 2026-05-11 01:15:40
●A131.113.218.102026-02-17 → 2026-05-11 · 2 obs
● 2026-05-11 01:15:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, a.dns.jp, f.dns.jp, e.dns.jp... | - |
| keio-e.ed.jp | k12.keio-e.ed.jp | 1 record |
✅ Authoritative Response
Server:131.113.218.10
NS records: k12.keio-e.ed.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for keio-e.ed.jp (unsigned zone)
⏱️ Timing
Total: 881ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 131.113.218.10 |
| NS | 2 | boston.yochisha.keio.ac.jp, k12.keio-e.ed.jp |
| MX | 1 | k12.keio-e.ed.jp (pri: 10) |
| SOA | 1 | k12.keio-e.ed.jp root.keio-e.ed.jp |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (k12.keio-e.ed.jp)
Analysis
Hierarchy
keio-e.ed.jp is the parent of k12.keio-e.ed.jp.
IP Addresses
keio-e.ed.jp resolves to one IP number: 131.113.218.10.
Other host names, for instance k12.k12.keio.ac.jp, k12.keio-e.ed.jp, net.keio.org and k12.keio.ac.jp share IP numbers with keio-e.ed.jp.
Name Servers
keio-e.ed.jp is delegated to two name servers k12.keio-e.ed.jp and boston.yochisha.keio.ac.jp.
keio-e.ed.jp shares at least some name servers with other domains, for example k12.keio.ac.jp, yochisha.keio.ac.jp and 218.113.131.in-addr.arpa.
These name servers are commonly used with ns0.keio.ac.jp, ns1.keio.ac.jp and ns.yochisha.keio.ac.jp.
Two IP numbers for a host: boston.yochisha.keio.ac.jp points to 2001:df0:eb:e600:a00:20ff:fec3:3d77 and 131.113.218.247.
One IP number for a host: k12.keio-e.ed.jp points to 131.113.218.10.
Mail Servers
keio-e.ed.jp is handled by a single mail server, k12.keio-e.ed.jp.