chuo-kentetsu.com - robtex.com
chuo-kentetsu.com
com
| 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=1776078802 | ||||||
MX for
chuo-kentetsu.com |
Same first word
chuo-kentetsu.com |
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2018-12-08 → 2026-04-13 · 2 obs
● 2026-04-13 11:13:56
●NSns2.xserver.jp2018-12-08 → 2026-04-13 · 2 obs
● 2026-04-13 11:13:56
●NSns3.xserver.jp2018-12-08 → 2026-04-13 · 2 obs
● 2026-04-13 11:13:56
●NSns4.xserver.jp2018-12-08 → 2026-04-13 · 2 obs
● 2026-04-13 11:13:56
●NSns5.xserver.jp2018-12-08 → 2026-04-13 · 2 obs
● 2026-04-13 11:13:56
●MXchuo-kentetsu.com2018-12-08 → 2026-04-13 · 2 obs
● 2026-04-13 11:13:56
●A183.90.241.472018-12-08 → 2026-04-13 · 2 obs
● 2026-04-13 11:13:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| chuo-kentetsu.com | 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 chuo-kentetsu.com (unsigned zone)
⏱️ Timing
Total: 1457ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.241.47 |
| NS | 5 | ns5.xserver.jp, ns2.xserver.jp... |
| MX | 1 | chuo-kentetsu.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv7526.xserver.jp +a:chuo-kent |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
The mail server for chuo-kentetsu.com is chuo-kentetsu.com.
IP Addresses
chuo-kentetsu.com points to a single IP address: 183.90.241.47.
Other host names such as office-air.com, ns.greenweb.jp, mail.sbiserver.com, mail.greenweb.jp and greenweb.jp share IPs with chuo-kentetsu.com.
Name Servers
chuo-kentetsu.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
chuo-kentetsu.com at least partially shares name servers with other domains, for example sanmori.co.jp, sin-ei-recycle.com, umetsudental.com, ttk.xsrv.jp and ayakahome.co.jp.
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
One IP number:
ns2.xserver.jp points to: 35.72.43.26
ns3.xserver.jp points to: 202.226.36.247
Mail Servers
One mail server handles chuo-kentetsu.com; that server is chuo-kentetsu.com.
chuo-kentetsu.com points to a single IP number: 183.90.241.47.