studycode.jp - robtex.com
studycode.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=1787846402 | ||||||
MX for
studycode.jp |
Same first word
Similar names
dustycode.dev |
codestudy.pl |
dustydeco.se |
codestduy.com |
decostudy.com |
codestudy.net |
codestudy.com |
dustycode.ph |
dustycode.com |
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-08-25 → 2026-08-27 · 2 obs
● 2026-08-27 16:25:20
●NSns2.xserver.jp2026-08-25 → 2026-08-27 · 2 obs
● 2026-08-27 16:25:20
●NSns3.xserver.jp2026-08-25 → 2026-08-27 · 2 obs
● 2026-08-27 16:25:20
●NSns4.xserver.jp2026-08-25 → 2026-08-27 · 2 obs
● 2026-08-27 16:25:20
●NSns5.xserver.jp2026-08-25 → 2026-08-27 · 2 obs
● 2026-08-27 16:25:20
●MXstudycode.jp2026-08-25 → 2026-08-27 · 2 obs
● 2026-08-27 16:25:20
●A183.90.245.162026-08-25 → 2026-08-27 · 2 obs
● 2026-08-27 16:25:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| studycode.jp | ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.36.170
NS records: ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studycode.jp (unsigned zone)
⏱️ Timing
Total: 969ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.245.16 |
| NS | 5 | ns3.xserver.jp, ns4.xserver.jp... |
| MX | 1 | studycode.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv2015.xserver.jp +a:studycode |
| 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
Mail Server Role
The MX record for studycode.jp points back to studycode.jp — it is its own mail server.
IP Addresses
studycode.jp directs to one IP number, which is 183.90.245.16.
Among the host names that share IP numbers with studycode.jp are kids-woodentoys.com, jininternational.jp, gracehouse.jp and two others.
Name Servers
The authoritative name servers for studycode.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
The name servers of studycode.jp overlap at least partially with those of other domains — among them gaikou-soudan.com, rcompany-web.com, yumeokoshi.jp and two more.
These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.
Hosts with three IP address records:
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.
Hosts that resolve 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
The MX record for studycode.jp points to a single mail server: studycode.jp.
studycode.jp resolves to 183.90.245.16 and no other IP number.