ryokubro.com - robtex.com
ryokubro.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=1778616231 | ||||||
MX for
ryokubro.com |
Same first word
ryokubro.com |
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-03-09 → 2026-05-12 · 2 obs
● 2026-05-12 20:18:00
●NSns2.xserver.jp2026-03-09 → 2026-05-12 · 2 obs
● 2026-05-12 20:18:00
●NSns3.xserver.jp2026-03-09 → 2026-05-12 · 2 obs
● 2026-05-12 20:18:00
●NSns4.xserver.jp2026-03-09 → 2026-05-12 · 2 obs
● 2026-05-12 20:18:00
●NSns5.xserver.jp2026-03-09 → 2026-05-12 · 2 obs
● 2026-05-12 20:18:00
●MXryokubro.com2026-03-09 → 2026-05-12 · 2 obs
● 2026-05-12 20:18:00
●A183.181.96.442026-03-09 → 2026-05-12 · 2 obs
● 2026-05-12 20:18:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net... | - |
| ryokubro.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ 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 ryokubro.com (unsigned zone)
⏱️ Timing
Total: 4475ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.181.96.44 |
| NS | 5 | ns3.xserver.jp, ns5.xserver.jp... |
| MX | 1 | ryokubro.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv12683.xserver.jp +a:ryokubro |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
ryokubro.com serves as the mail server for ryokubro.com.
IP Addresses
ryokubro.com points to a single IP number: 183.181.96.44.
Other host names, for instance power-supply-design.com, hobby-kyusyu.net, www.hobby-kyusyu.net, kitadabussan.co.jp and mail.nkc-co.jp share IP numbers with ryokubro.com.
Name Servers
ryokubro.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
ryokubro.com at least partially shares name servers with other domains, for instance galeriemalle.jp, es-idea.com, hotspace-himawari.com, c-journal.com and alfee.co.jp.
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
A single mail server handles ryokubro.com.
ryokubro.com points to a single IP: 183.181.96.44.