koibuchi.ac.jp - robtex.com
koibuchi.ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.91.14.157🇯🇵 CPI-NET194.91.0.0/16 KDDI Web Communications Inc. | ||||||
| PTR | cxube157.secure.ne.jp | ||||||
| NS | ns2.cpi.ad.jp ⭐ | ||||||
| A | 122.200.253.231🇯🇵 CPI-NET122.200.224.0/19 | ||||||
| PTR | ns2.cpi.ad.jp | ||||||
| NS | ns3.cpi.ad.jp | ||||||
| A | 122.200.212.131🇯🇵 CPI-NET122.200.192.0/19 | ||||||
| PTR | ns3.cpi.ad.jp | ||||||
| MX | vlmx-air.secure.ne.jp ⭐ | ||||||
| A | 111.96.116.216🇯🇵 KDDI111.96.0.0/16 | ||||||
| A | 111.96.117.216🇯🇵 KDDI111.96.0.0/16 | ||||||
| TXT | v=spf1 include:spf2.secure.ne.jp -all | ||||||
| SOA | ns2.cpi.ad.jphostmaster@cpi.ad.jp 2025-06-20 #1 | ||||||
ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ac.jp. | ||||||
WOT: SAFE (80/100)
Same first word
koibuchi.ac.jp |
Similar names
DNS History
8 records (4 active, 4 former)
●MXvlmx-air.secure.ne.jp2026-03-12 → 2026-04-20 · 3 obs
● 2026-03-12 16:51:38
● 2026-04-20 10:57:08
○MXvlmx20.secure.ne.jp2015-06-05 → 2017-03-29 · 4 obs
● 2017-03-29 14:49:16
○ 2026-03-12 16:51:38
○ 2026-04-20 10:57:08
○MXvlmx21.secure.ne.jp2015-06-05 → 2017-03-29 · 4 obs
● 2017-03-29 14:49:16
○ 2026-03-12 16:51:38
○ 2026-04-20 10:57:08
○MXvlmx22.secure.ne.jp2015-06-05 → 2017-03-29 · 4 obs
● 2017-03-29 14:49:16
○ 2026-03-12 16:51:38
○ 2026-04-20 10:57:08
○A180.235.236.1912015-06-05 → 2017-03-29 · 4 obs
● 2017-03-29 14:49:16
○ 2026-03-12 16:51:38
○ 2026-04-20 10:57:08
●A194.91.14.1572026-03-12 → 2026-04-20 · 3 obs
● 2026-03-12 16:51:38
● 2026-04-20 10:57:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, a.dns.jp, c.dns.jp, e.dns.jp... | - |
| koibuchi.ac.jp | ns3.cpi.ad.jp, ns2.cpi.ad.jp | 2 records |
✅ Authoritative Response
Server:122.200.212.131
NS records: ns3.cpi.ad.jp, ns2.cpi.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koibuchi.ac.jp (unsigned zone)
⏱️ Timing
Total: 881ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.91.14.157 |
| NS | 2 | ns3.cpi.ad.jp, ns2.cpi.ad.jp |
| MX | 1 | vlmx-air.secure.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf2.secure.ne.jp -all |
| SOA | 1 | ns2.cpi.ad.jp hostmaster.cpi.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.cpi.ad.jp, ns3.cpi.ad.jp)
Analysis
IP Addresses
koibuchi.ac.jp points to a single IP number: 194.91.14.157.
Name Servers
koibuchi.ac.jp is delegated to two name servers: ns2.cpi.ad.jp and ns3.cpi.ad.jp.
koibuchi.ac.jp shares the same name server setup as other domains, for example r-eco.com, isshi.co.jp, fa-hiroba.com, chuogiken.co.jp and gcg.bz.
koibuchi.ac.jp at least partially shares name servers with other domains, for instance 148.199.158.in-addr.arpa, 15.197.103.in-addr.arpa, a-onetest.com, 96.20.117.in-addr.arpa and 250.235.180.in-addr.arpa.
These name servers are commonly used with ns0.cpi.ad.jp, ns1.cpi.ad.jp, ns4.cpi.ad.jp, ns5.cpi.ad.jp, ns6.cpi.ad.jp, ns7.cpi.ad.jp and cpi.ad.jp.
Host names with one IP number:
The host ns2.cpi.ad.jp points to 122.200.253.231 and the host ns3.cpi.ad.jp points to 122.200.212.131.
Mail Servers
koibuchi.ac.jp is handled by a single mail server, vlmx-air.secure.ne.jp.
koibuchi.ac.jp shares the same mail server setup as other domains, for instance cherrybpm.com, aisankyou.com, tamahiro.com, sakata-kenzai.com and mbs-system.jp.
Host vlmx-air.secure.ne.jp resolves to two IPs: 111.96.116.216 and 111.96.117.216.