dataknowledge.jp - robtex.com
dataknowledge.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.44.236🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users268.vip.heteml.jp | ||||||
| NS | dns101-1.jp1.ecl.ntt.com ⭐ | ||||||
| A | 153.153.145.99🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | 153-153-145-99-revip-default.145.153.153.in-addr.arpa | ||||||
| NS | dns101-2.uk1.ecl.ntt.com | ||||||
| A | 153.153.171.18🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | 153-153-171-18-revip-jp2-default.171.153.153.in-addr.arpa | ||||||
| NS | dns101-3.us1.ecl.ntt.com | ||||||
| A | 180.12.186.2🇯🇵 OCN180.0.0.0/10 (AS4713) CIDR BLOCK 89 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | 180-12-186-2-revip-jp5-default.186.12.180.in-addr.arpa | ||||||
| NS | dns101-4.sg1.ecl.ntt.com | ||||||
| A | 180.55.77.106🇯🇵 OCN180.0.0.0/10 (AS4713) CIDR BLOCK 89 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | 180-55-77-106-revip-jp6-default.77.55.180.in-addr.arpa | ||||||
| MX | mailforward.dnsv.jp ⭐ | ||||||
| A | 163.44.188.5🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mailforward.dnsv.jp | ||||||
| SOA | dns101-1.jp1.ecl.ntt.comecl@ntt.com serial=1 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1774512003 | ||||||
Subdomains
www.dataknowledge.jp |
Same first word
dataknowledge.jp |
DNS History
6 records (6 active, 0 former)
●NSdns101-1.jp1.ecl.ntt.com2026-02-15 → 2026-03-26 · 2 obs
● 2026-03-26 08:37:56
●NSdns101-2.uk1.ecl.ntt.com2026-02-15 → 2026-03-26 · 2 obs
● 2026-03-26 08:37:56
●NSdns101-3.us1.ecl.ntt.com2026-02-15 → 2026-03-26 · 2 obs
● 2026-03-26 08:37:56
●NSdns101-4.sg1.ecl.ntt.com2026-02-15 → 2026-03-26 · 2 obs
● 2026-03-26 08:37:56
●MXmailforward.dnsv.jp2026-02-15 → 2026-03-26 · 2 obs
● 2026-03-26 08:37:56
●A157.7.44.2362026-02-15 → 2026-03-26 · 2 obs
● 2026-03-26 08:37:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, g.dns.jp, h.dns.jp, b.dns.jp... | - |
| dataknowledge.jp | dns101-4.sg1.ecl.ntt.com, dns101-1.jp1.ecl.ntt.com, dns101-2.uk1.ecl.ntt.com, dns101-3.us1.ecl.ntt.com | - |
✅ Authoritative Response
Server:153.153.171.18
NS records: dns101-4.sg1.ecl.ntt.com, dns101-1.jp1.ecl.ntt.com, dns101-2.uk1.ecl.ntt.com, dns101-3.us1.ecl.ntt.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dataknowledge.jp (unsigned zone)
⏱️ Timing
Total: 1265ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.44.236 |
| NS | 4 | dns101-1.jp1.ecl.ntt.com, dns101-3.us1.ecl.ntt.com... |
| MX | 1 | mailforward.dnsv.jp (pri: 10) |
| SOA | 1 | dns101-1.jp1.ecl.ntt.com ecl.ntt.com |
Analysis
Hierarchy
dataknowledge.jp is the parent of www.dataknowledge.jp.
IP Addresses
dataknowledge.jp resolves to a single IP: 157.7.44.236.
Other host names, for instance matuzono.jp, akimiyajima.com, yukaru.com, fit-corporation.com and araidental.com share IP numbers with dataknowledge.jp.
Name Servers
dataknowledge.jp is delegated to four name servers: dns101-1.jp1.ecl.ntt.com, dns101-4.sg1.ecl.ntt.com, dns101-2.uk1.ecl.ntt.com and dns101-3.us1.ecl.ntt.com.
dataknowledge.jp shares some name servers with other domains, for example nttcom.biz, naigainitto.com, maruzen-chi.co.jp, sugi-net.jp and ckp.co.jp.
Host names with a single IP
dns101-1.jp1.ecl.ntt.com resolves to 153.153.145.99
dns101-4.sg1.ecl.ntt.com resolves to 180.55.77.106
dns101-2.uk1.ecl.ntt.com resolves to 153.153.171.18
dns101-3.us1.ecl.ntt.com resolves to 180.12.186.2
Mail Servers
dataknowledge.jp is handled by a single mail server, mailforward.dnsv.jp.
dataknowledge.jp shares the mail server setup with other domains, for example noi.jp, sonicstyle.net, motivation-cloudapp.com, eishin-co.jp and microbedb.jp.
dataknowledge.jp shares some mail servers with other domains, at least partially; for instance fc-hikaku.net, jto.asia, glidenumber.net, zicca.net and okonomi-search.com.
Host name mailforward.dnsv.jp points to IP 163.44.188.5.