threeclass.jp - dns.ninja
threeclass.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=1786036502 | ||||||
MX for
threeclass.jp |
Subdomains
www.threeclass.jp |
Same first word
threeclass.jp |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-03-27 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:02
●NSns2.xserver.jp2026-03-27 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:02
●NSns3.xserver.jp2026-03-27 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:02
●NSns4.xserver.jp2026-03-27 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:02
●NSns5.xserver.jp2026-03-27 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:02
●MXthreeclass.jp2026-03-27 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:02
●A183.181.98.342026-03-27 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| threeclass.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.37.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for threeclass.jp (unsigned zone)
⏱️ Timing
Total: 915ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.181.98.34 |
| NS | 5 | ns1.xserver.jp, ns2.xserver.jp... |
| MX | 1 | threeclass.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv6033.xserver.jp +a:threeclas |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Hierarchy
threeclass.jp is the parent zone for www.threeclass.jp.
Mail Server Role
The MX record for threeclass.jp points back to threeclass.jp — it is its own mail server.
IP Addresses
threeclass.jp directs to one IP number, which is 183.181.98.34.
Among the host names that share IP numbers with threeclass.jp are pacifichome.jp, e-sumaile.net, www.boardgamemap.com and two others.
Name Servers
The authoritative name servers for threeclass.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
threeclass.jp partially shares its NS delegation with several other domains, including coop-kazokusou.jp, ten-lab.com, yudaonsen.com and two others.
These name servers are regularly seen alongside ns4.xserver.jp and ns5.xserver.jp as name servers.
Hosts with three IP address records:
ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to 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 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
The MX record for threeclass.jp points to a single mail server: threeclass.jp.
threeclass.jp points to one IP number — 183.181.98.34.