studiotron.jp - dns.ninja
studiotron.jp
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=1784552403 | ||||||
MX for
studiotron.jp |
Subdomains
Same first word
studiotron.jp |
Similar names
DNS History
11 records (7 active, 4 former)
○NSdns01.gmoserver.jp2015-07-04 → 2017-03-14 · 4 obs
● 2017-03-14 17:55:36
○ 2026-02-16 14:30:20
○ 2026-07-20 13:08:36
○NSdns02.gmoserver.jp2015-07-04 → 2017-03-14 · 4 obs
● 2017-03-14 17:55:36
○ 2026-02-16 14:30:20
○ 2026-07-20 13:08:36
●NSns1.xserver.jp2026-02-16 → 2026-07-20 · 3 obs
● 2026-02-16 14:30:20
● 2026-07-20 13:08:36
●NSns2.xserver.jp2026-02-16 → 2026-07-20 · 3 obs
● 2026-02-16 14:30:20
● 2026-07-20 13:08:36
●NSns3.xserver.jp2026-02-16 → 2026-07-20 · 3 obs
● 2026-02-16 14:30:20
● 2026-07-20 13:08:36
●NSns4.xserver.jp2026-02-16 → 2026-07-20 · 3 obs
● 2026-02-16 14:30:20
● 2026-07-20 13:08:36
●NSns5.xserver.jp2026-02-16 → 2026-07-20 · 3 obs
● 2026-02-16 14:30:20
● 2026-07-20 13:08:36
○MXmx.studiotron.jp2015-07-04 → 2017-03-14 · 4 obs
● 2017-03-14 17:55:36
○ 2026-02-16 14:30:20
○ 2026-07-20 13:08:36
●MXstudiotron.jp2026-02-16 → 2026-07-20 · 3 obs
● 2026-02-16 14:30:20
● 2026-07-20 13:08:36
○A157.7.144.52015-07-04 → 2017-03-14 · 4 obs
● 2017-03-14 17:55:36
○ 2026-02-16 14:30:20
○ 2026-07-20 13:08:36
●A162.43.104.472026-02-16 → 2026-07-20 · 3 obs
● 2026-02-16 14:30:20
● 2026-07-20 13:08:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, d.dns.jp, e.dns.jp, f.dns.jp... | - |
| studiotron.jp | ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp... | 11 records |
✅ Authoritative Response
Server:35.72.43.26
NS records: ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studiotron.jp (unsigned zone)
⏱️ Timing
Total: 939ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.104.47 |
| NS | 5 | ns4.xserver.jp, ns2.xserver.jp... |
| MX | 1 | studiotron.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14646.xserver.jp +a:studiotr |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Hierarchy
mail.studiotron.jp and ns.studiotron.jp each fall under studiotron.jp as their parent domain.
Mail Server Role
studiotron.jp handles its own mail, functioning as its own mail server.
IP Addresses
studiotron.jp resolves to just one IP address, 162.43.104.47.
Two other host names, along with dione-roppongi.com, ambassador.kuro-kishi.jp and www.kuro-kishi.jp, also share IP numbers with studiotron.jp.
Name Servers
studiotron.jp delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
studiotron.jp partially shares its NS delegation with several other domains, including kaguwaka.com, active-sheds.com, hanare.tokyo and two others.
These name servers are regularly seen alongside ns4.xserver.jp and ns5.xserver.jp as name servers.
Hostnames that map to three IP numbers:
ns1.xserver.jp maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names that point to one IP address:
ns2.xserver.jp resolves to the IP address 35.72.43.26.
ns3.xserver.jp resolves to the IP address 202.226.36.247.
Mail Servers
studiotron.jp is served by just one mail server: studiotron.jp.
studiotron.jp resolves to 162.43.104.47 and no other IP number.