ku-tetsu.net - robtex.com
ku-tetsu.net
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778729541 | ||||||
MX for
ku-tetsu.net |
Same first word
ku-tetsu.net |
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-02-21 → 2026-05-14 · 2 obs
● 2026-05-14 03:50:04
●NSns2.xserver.jp2026-02-21 → 2026-05-14 · 2 obs
● 2026-05-14 03:50:04
●NSns3.xserver.jp2026-02-21 → 2026-05-14 · 2 obs
● 2026-05-14 03:50:04
●NSns4.xserver.jp2026-02-21 → 2026-05-14 · 2 obs
● 2026-05-14 03:50:04
●NSns5.xserver.jp2026-02-21 → 2026-05-14 · 2 obs
● 2026-05-14 03:50:04
●MXku-tetsu.net2026-02-21 → 2026-05-14 · 2 obs
● 2026-05-14 03:50:04
●A162.43.117.1302026-02-21 → 2026-05-14 · 2 obs
● 2026-05-14 03:50:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ku-tetsu.net | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.247
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 ku-tetsu.net (unsigned zone)
⏱️ Timing
Total: 2215ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.117.130 |
| NS | 5 | ns2.xserver.jp, ns5.xserver.jp... |
| MX | 1 | ku-tetsu.net (pri: 0) |
| TXT | 2 | v=spf1 +a:sv13289.xserver.jp +a:ku-tetsu, google-site-verification=5aNabkhWMC0FwA1 |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
For ku-tetsu.net, the mail server is ku-tetsu.net.
IP Addresses
ku-tetsu.net resolves to one IP number: 162.43.117.130.
other host names including ro-n.net, hanawa.co.jp, sv13289.xserver.jp, onoresho.com and unun.jp share IP numbers with ku-tetsu.net.
Name Servers
ku-tetsu.net is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
ku-tetsu.net at least partially shares name servers with other domains, for instance lurinyo.com, ginkobank.com, affinger418.com, kireiinfo.com and kisaminori.com.
Host names with three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246; ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247; ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
ns2.xserver.jp points to: 35.72.43.26; ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
ku-tetsu.net is served by a single mail server, ku-tetsu.net.
ku-tetsu.net resolves to IP 162.43.117.130.