knowledge-dc.co.jp - robtex.com
knowledge-dc.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 150.60.171.130🇯🇵 CPI-NET150.60.0.0/16 KDDI Web Communications Inc. | ||||||
| NS | ns6.cpi.ad.jp ⭐ | ||||||
| A | 122.200.253.233🇯🇵 CPI-NET122.200.224.0/19 | ||||||
| PTR | ns6.cpi.ad.jp | ||||||
| NS | ns7.cpi.ad.jp | ||||||
| A | 122.200.212.133🇯🇵 CPI-NET122.200.192.0/19 | ||||||
| PTR | ns7.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:spf.secure.ne.jp -all | ||||||
| SOA | ns6.cpi.ad.jphostmaster@cpi.ad.jp 2024-10-22 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
www.knowledge-dc.co.jp |
Same first word
knowledge-dc.co.jp |
DNS History
7 records (4 active, 3 former)
●MXvlmx-air.secure.ne.jp2026-03-30 → 2026-03-30 · 2 obs
● 2026-03-30 13:57:06
○MXvlmx20.secure.ne.jp2018-05-20 → 2018-05-20 · 2 obs
○ 2026-03-30 13:57:06
○MXvlmx21.secure.ne.jp2018-05-20 → 2018-05-20 · 2 obs
○ 2026-03-30 13:57:06
○MXvlmx22.secure.ne.jp2018-05-20 → 2018-05-20 · 2 obs
○ 2026-03-30 13:57:06
●A150.60.171.1302018-05-20 → 2026-03-30 · 2 obs
● 2026-03-30 13:57:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| knowledge-dc.co.jp | ns6.cpi.ad.jp, ns7.cpi.ad.jp | 2 records |
✅ Authoritative Response
Server:122.200.253.233
NS records: ns6.cpi.ad.jp, ns7.cpi.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledge-dc.co.jp (unsigned zone)
⏱️ Timing
Total: 875ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 150.60.171.130 |
| NS | 2 | ns6.cpi.ad.jp, ns7.cpi.ad.jp |
| MX | 1 | vlmx-air.secure.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf.secure.ne.jp -all |
| SOA | 1 | ns6.cpi.ad.jp hostmaster.cpi.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns6.cpi.ad.jp, ns7.cpi.ad.jp)
Analysis
Hierarchy
knowledge-dc.co.jp is a parent of www.knowledge-dc.co.jp.
IP Addresses
knowledge-dc.co.jp points to a single IP number: 150.60.171.130.
Other host names, for instance www.knowledge-dc.co.jp, share IP numbers with knowledge-dc.co.jp.
Name Servers
Delegation for knowledge-dc.co.jp rests with two name servers, ns6.cpi.ad.jp and ns7.cpi.ad.jp.
knowledge-dc.co.jp shares the same name server setup as other domains, including kubocom.co.jp, aoisoranosato.kita.kobe.jp, gagyu.co.jp, yuwastyle.com and shinaisekkotsuin.com.
knowledge-dc.co.jp at least partially shares name servers with other domains, for instance 241.235.180.in-addr.arpa, 210.9.211.in-addr.arpa, yokomiyake.com, 253.164.202.in-addr.arpa and 175.60.150.in-addr.arpa.
These name servers are commonly used with ns0.cpi.ad.jp, ns1.cpi.ad.jp, ns2.cpi.ad.jp, ns3.cpi.ad.jp, ns4.cpi.ad.jp, ns5.cpi.ad.jp and cpi.ad.jp.
Host names with one IP number: ns6.cpi.ad.jp points to 122.200.253.233; ns7.cpi.ad.jp points to 122.200.212.133.
Mail Servers
knowledge-dc.co.jp is handled by a single mail server, vlmx-air.secure.ne.jp.
knowledge-dc.co.jp uses the same mail server configuration as other domains, such as s-kankyo.com, flom.co.jp, recolor.jp, uroco-kyoto.com and chubu-exp.com.
vlmx-air.secure.ne.jp resolves to two IP numbers: 111.96.116.216 and 111.96.117.216.