studycode.jp - dns.ninja
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=1788473703 | ||||||
MX for
studycode.jp |
Same first word
studycode.tv |
studycode.workers.dev |
studycode.net |
studycode.web.id |
studycode.asia |
studycode.com |
studycode.cc |
studycode.pages.dev |
studycode.jp |
Similar names
codestudy.co.uk |
dustycode.dev |
codestudy.jp |
dustydeco.com |
codestudy.org |
codestudy.pl |
dustydeco.se |
dutycodes.com |
codestduy.com |
decostudy.com |
studycedo.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 → 2026-09-03 · 2 obs
● 2026-09-03 22:27:44
●NSns2.xserver.jp2026-08-25 → 2026-09-03 · 2 obs
● 2026-09-03 22:27:44
●NSns3.xserver.jp2026-08-25 → 2026-09-03 · 2 obs
● 2026-09-03 22:27:44
●NSns4.xserver.jp2026-08-25 → 2026-09-03 · 2 obs
● 2026-09-03 22:27:44
●NSns5.xserver.jp2026-08-25 → 2026-09-03 · 2 obs
● 2026-09-03 22:27:44
●MXstudycode.jp2026-08-25 → 2026-09-03 · 2 obs
● 2026-09-03 22:27:44
●A183.90.245.162026-08-25 → 2026-09-03 · 2 obs
● 2026-09-03 22:27:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | 15 records |
| studycode.jp | ns1.xserver.jp, ns3.xserver.jp, ns2.xserver.jp, ns5.xserver.jp... | 11 records |
✅ Authoritative Response
Server:35.72.43.26
NS records: ns1.xserver.jp, ns3.xserver.jp, ns2.xserver.jp, ns5.xserver.jp, ns4.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studycode.jp (unsigned zone)
⏱️ Timing
Total: 1168ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.245.16 |
| NS | 5 | ns4.xserver.jp, ns3.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: 26
In-bailiwick: 15 (a.dns.jp, a.dns.jp, b.dns.jp...)
Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.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 souzokushi.com, ieuruwatashi.com, kids-woodentoys.com 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.
studycode.jp has at least partial name server overlap with other domains, such as gaikou-soudan.com, h-ness-k.jp, rcompany-web.com and two others.
It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.
Hosts with three IP address records:
ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts that resolve to one IP address:
ns2.xserver.jp points to the IP address 35.72.43.26.
ns3.xserver.jp points to the IP address 202.226.36.247.
Mail Servers
The MX record for studycode.jp points to a single mail server: studycode.jp.
There is one IP number for studycode.jp: 183.90.245.16.