www.studyup.jp - robtex.com
www.studyup.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.105.121🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| PTR | sv740.xbiz.ne.jp | ||||||
studyup.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.105.121🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| NS | ns1.xbiz.ne.jp ⭐ | ||||||
| NS | ns2.xbiz.ne.jp | ||||||
| NS | ns3.xbiz.ne.jp | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| TXT | v=spf1 +a:sv740.xbiz.ne.jp +a:studyup.jp +mx include:spf.sender.xserver.jp in... | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.jp serial=0 | ||||||
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A150.60.207.2022020-01-23 → 2020-01-23 · 3 obs
● 2020-01-23 18:53:22
○ 2026-03-13 22:08:26
○ 2026-03-24 23:03:32
○ 2026-03-13 22:08:26
○ 2026-03-24 23:03:32
●A162.43.105.1212026-03-13 → 2026-03-24 · 3 obs
○ 2020-01-23 18:53:22
● 2026-03-13 22:08:26
● 2026-03-24 23:03:32
● 2026-03-13 22:08:26
● 2026-03-24 23:03:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| studyup.jp | ns3.xbiz.ne.jp, ns2.xbiz.ne.jp, ns1.xbiz.ne.jp | 3 records |
✅ Authoritative Response
Server:157.112.191.237
NS records: ns3.xbiz.ne.jp, ns2.xbiz.ne.jp, ns1.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyup.jp (unsigned zone)
⏱️ Timing
Total: 999ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.105.121 |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.xbiz.ne.jp, ns2.xbiz.ne.jp, ns1.xbiz.ne.jp)
Analysis
IP Addresses
www.studyup.jp points to a single IP number: 162.43.105.121.
other host names for instance interior-shirakawa.com, osharetecho.com, oshigoto365.com, biprogy-uel.co.jp and white-snake.movie share IP numbers with www.studyup.jp.