denbi.ac.jp - robtex.com
denbi.ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 158.199.146.115🇯🇵 CPI-NET158.199.128.0/17 KDDI Web Communications Inc. | ||||||
| NS | ns4.cpi.ad.jp ⭐ | ||||||
| A | 122.200.253.232🇯🇵 CPI-NET122.200.224.0/19 | ||||||
| PTR | ns4.cpi.ad.jp | ||||||
| NS | ns5.cpi.ad.jp | ||||||
| A | 122.200.212.132🇯🇵 CPI-NET122.200.192.0/19 | ||||||
| PTR | ns5.cpi.ad.jp | ||||||
| MX | m116.secure.ne.jp ⭐ | ||||||
| A | 158.199.145.240🇯🇵 CPI-NET158.199.128.0/17 KDDI Web Communications Inc. | ||||||
| PTR | m116.secure.ne.jp | ||||||
| TXT | v=spf1 include:spf.secure.ne.jp -all | ||||||
| SOA | ns4.cpi.ad.jphostmaster@cpi.ad.jp 2013-03-18 #2 | ||||||
ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ac.jp. | ||||||
Subdomains
www.denbi.ac.jp |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●MXm116.secure.ne.jp2015-07-26 → 2026-05-11 · 2 obs
● 2026-05-11 13:16:34
●A158.199.146.1152015-07-26 → 2026-05-11 · 2 obs
● 2026-05-11 13:16:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, g.dns.jp, b.dns.jp, a.dns.jp... | - |
| denbi.ac.jp | ns5.cpi.ad.jp, ns4.cpi.ad.jp | 2 records |
✅ Authoritative Response
Server:122.200.212.132
NS records: ns5.cpi.ad.jp, ns4.cpi.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for denbi.ac.jp (unsigned zone)
⏱️ Timing
Total: 717ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 158.199.146.115 |
| NS | 2 | ns5.cpi.ad.jp, ns4.cpi.ad.jp |
| MX | 1 | m116.secure.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf.secure.ne.jp -all |
| SOA | 1 | ns4.cpi.ad.jp hostmaster.cpi.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns5.cpi.ad.jp, ns4.cpi.ad.jp)
Analysis
Hierarchy
www.denbi.ac.jp has denbi.ac.jp as its parent.
IP Addresses
denbi.ac.jp maps to IP address 158.199.146.115.
Other host names, for example, www.denbi.ac.jp share IP numbers with denbi.ac.jp.
Name Servers
Two name servers ns4.cpi.ad.jp and ns5.cpi.ad.jp are delegated to denbi.ac.jp.
denbi.ac.jp uses the same name server configuration as other domains, such as office-hikari.jp, souzoku-yokosuka.com, sakuhp.or.jp, tac-alt.com and miyaden.net.
denbi.ac.jp at least partially shares name servers with other domains such as 225.235.180.in-addr.arpa, 78.222.180.in-addr.arpa, 108.82.118.in-addr.arpa, 74.222.180.in-addr.arpa and 100.82.118.in-addr.arpa.
These name servers are commonly used alongside ns0.cpi.ad.jp, ns1.cpi.ad.jp, ns2.cpi.ad.jp, ns3.cpi.ad.jp, ns6.cpi.ad.jp, ns7.cpi.ad.jp and cpi.ad.jp.
Host names with a single IP address:
ns4.cpi.ad.jp points to 122.200.253.232
ns5.cpi.ad.jp points to 122.200.212.132
Mail Servers
denbi.ac.jp is handled by a single mail server, m116.secure.ne.jp.
denbi.ac.jp shares the same mail server setup as other domains, including ki-bus.com, bluehorizon.jp, onyado-toho.co.jp, yumex-g.co.jp and speedch.jp.
m116.secure.ne.jp points to one IP number: 158.199.145.240.