ktwo.jp - dns.ninja
ktwo.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=1785030303 | ||||||
MX for
ktwo.jp |
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
○NSmaster.dns.ne.jp2019-12-19 → 2020-12-23 · 4 obs
● 2020-12-23 02:06:14
○ 2026-02-18 16:16:00
○ 2026-07-26 02:34:34
○NSns1.dns.ne.jp2019-12-19 → 2020-12-23 · 4 obs
● 2020-12-23 02:06:14
○ 2026-02-18 16:16:00
○ 2026-07-26 02:34:34
●NSns1.xserver.jp2026-02-18 → 2026-07-26 · 3 obs
● 2026-02-18 16:16:00
● 2026-07-26 02:34:34
○NSns2.dns.ne.jp2019-12-19 → 2020-12-23 · 4 obs
● 2020-12-23 02:06:14
○ 2026-02-18 16:16:00
○ 2026-07-26 02:34:34
●NSns2.xserver.jp2026-02-18 → 2026-07-26 · 3 obs
● 2026-02-18 16:16:00
● 2026-07-26 02:34:34
●NSns3.xserver.jp2026-02-18 → 2026-07-26 · 3 obs
● 2026-02-18 16:16:00
● 2026-07-26 02:34:34
●NSns4.xserver.jp2026-02-18 → 2026-07-26 · 3 obs
● 2026-02-18 16:16:00
● 2026-07-26 02:34:34
●NSns5.xserver.jp2026-02-18 → 2026-07-26 · 3 obs
● 2026-02-18 16:16:00
● 2026-07-26 02:34:34
●MXktwo.jp2019-12-19 → 2026-07-26 · 2 obs
● 2026-07-26 02:34:34
●A162.43.101.912026-02-18 → 2026-07-26 · 3 obs
● 2026-02-18 16:16:00
● 2026-07-26 02:34:34
○A219.94.162.992019-12-19 → 2020-12-23 · 4 obs
● 2020-12-23 02:06:14
○ 2026-02-18 16:16:00
○ 2026-07-26 02:34:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, d.dns.jp, h.dns.jp, g.dns.jp... | - |
| ktwo.jp | ns5.xserver.jp, ns4.xserver.jp, ns2.xserver.jp, ns3.xserver.jp... | 11 records |
✅ Authoritative Response
Server:183.90.224.226
NS records: ns5.xserver.jp, ns4.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns1.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ktwo.jp (unsigned zone)
⏱️ Timing
Total: 4705ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.101.91 |
| NS | 5 | ns4.xserver.jp, ns3.xserver.jp... |
| MX | 1 | ktwo.jp (pri: 0) |
| TXT | 2 | v=spf1 +a:sv14890.xserver.jp +a:ktwo.jp , google-site-verification=GYEY9kML1s98fCJ |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)
Analysis
Mail Server Role
The MX record for ktwo.jp points back to ktwo.jp — it is its own mail server.
IP Addresses
ktwo.jp directs to one IP number, which is 162.43.101.91.
Among the host names that share IP numbers with ktwo.jp are vscm.jp, sv14890.xserver.jp, kyoto-shinai.jp and two others.
Name Servers
The authoritative name servers for ktwo.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
ktwo.jp shares at least some of its name servers with other domains, including syokusenden.biz, sumire-josanin.com, tenp-t.com and two others.
These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hosts with three IP address records:
The hostname ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The hostname ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The hostname ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts that resolve to one IP address:
The hostname ns2.xserver.jp resolves to 35.72.43.26.
The hostname ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
The MX record for ktwo.jp points to a single mail server: ktwo.jp.
ktwo.jp carries a single IP number, which is 162.43.101.91.