kf1-tk.jp - robtex.com
kf1-tk.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=1781825402 | ||||||
MX for
kf1-tk.jp |
Same first word
kf1-tk.jp |
DNS History
11 records (7 active, 4 former)
○NSdns01.server-cowboy.net2015-05-22 → 2015-10-10 · 4 obs
● 2015-10-10 13:47:02
○ 2015-12-28 07:29:18
○ 2026-06-18 23:36:20
○NSdns02.server-cowboy.net2015-05-22 → 2015-10-10 · 4 obs
● 2015-10-10 13:47:02
○ 2015-12-28 07:29:18
○ 2026-06-18 23:36:20
●NSns1.xserver.jp2015-12-28 → 2026-06-18 · 3 obs
● 2015-12-28 07:29:18
● 2026-06-18 23:36:20
●NSns2.xserver.jp2015-12-28 → 2026-06-18 · 3 obs
● 2015-12-28 07:29:18
● 2026-06-18 23:36:20
●NSns3.xserver.jp2015-12-28 → 2026-06-18 · 3 obs
● 2015-12-28 07:29:18
● 2026-06-18 23:36:20
●NSns4.xserver.jp2015-12-28 → 2026-06-18 · 3 obs
● 2015-12-28 07:29:18
● 2026-06-18 23:36:20
●NSns5.xserver.jp2015-12-28 → 2026-06-18 · 3 obs
● 2015-12-28 07:29:18
● 2026-06-18 23:36:20
●MXkf1-tk.jp2015-12-28 → 2026-06-18 · 3 obs
● 2015-12-28 07:29:18
● 2026-06-18 23:36:20
○MXmail.kf1-tk.jp2015-05-22 → 2015-10-10 · 4 obs
● 2015-10-10 13:47:02
○ 2015-12-28 07:29:18
○ 2026-06-18 23:36:20
●A183.90.232.162015-12-28 → 2026-06-18 · 3 obs
● 2015-12-28 07:29:18
● 2026-06-18 23:36:20
○A210.152.132.232015-05-22 → 2015-10-10 · 4 obs
● 2015-10-10 13:47:02
○ 2015-12-28 07:29:18
○ 2026-06-18 23:36:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| kf1-tk.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.36.164
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 kf1-tk.jp (unsigned zone)
⏱️ Timing
Total: 1230ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.232.16 |
| NS | 5 | ns1.xserver.jp, ns5.xserver.jp... |
| MX | 1 | kf1-tk.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv1215.xserver.jp +a:kf1-tk.jp |
| 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
Mail Server Role
kf1-tk.jp serves as a mail server for kf1-tk.jp.
IP Addresses
kf1-tk.jp has exactly one IP address — 183.90.232.16.
cosmooil.co.jp, www.usanambu.com, mail.navigate-jp.com plus two other host names have IP numbers in common with kf1-tk.jp.
Name Servers
Five name servers handle delegation for kf1-tk.jp: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
There is at least partial name server overlap between kf1-tk.jp and other domains — kinoko-house.com, eisen.jp, bushin.jp and two more among them.
These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.
Host names carrying three IP numbers:
The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The hostname ns5.xserver.jp directs to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names resolving to a single IP address:
ns2.xserver.jp has the IP address 35.72.43.26.
ns3.xserver.jp has the IP address 202.226.36.247.
Mail Servers
kf1-tk.jp uses exactly one mail server, which is kf1-tk.jp.
kf1-tk.jp directs to just one IP number, 183.90.232.16.