ruby-office.com - robtex.com
ruby-office.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=1790460974 | ||||||
MX for
ruby-office.com |
Same first word
ruby-office.com |
Previous names
Next names
DNS History
11 records (11 active, 0 former)
●NSns.2.xserver.jp2026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
●NSns.3.xserver.jp2026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
●NSns.4.xserver.jp2026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
●NSns.5.xserver.jp2026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
●NSns1.xserver.jp2026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
●NSns2.xserver.jp2026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
●NSns3.xserver.jp2026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
●NSns4.xserver.jp2026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
●NSns5.xserver.jp2026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
●MXruby-office.com2026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
●A162.43.116.1302026-09-18 → 2026-09-26 · 2 obs
● 2026-09-26 22:20:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net... | - |
| ruby-office.com | ns1.xserver.jp, ns.2.xserver.jp, ns.5.xserver.jp, ns.3.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.246
NS records: ns1.xserver.jp, ns.2.xserver.jp, ns.5.xserver.jp, ns.3.xserver.jp, ns.4.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ruby-office.com (unsigned zone)
⏱️ Timing
Total: 1408ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.116.130 |
| NS | 5 | ns1.xserver.jp, ns2.xserver.jp... |
| MX | 1 | ruby-office.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv13129.xserver.jp +a:ruby-off |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
ruby-office.com handles its own mail, functioning as its own mail server.
IP Addresses
ruby-office.com resolves to just one IP address, 162.43.116.130.
Two other host names, along with deguchi-co.com, sanukicapital.jp and yamaniya.co.jp, also share IP numbers with ruby-office.com.
Name Servers
DNS for ruby-office.com is handled by 9 name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and 6 others.
There is at least partial name server overlap between ruby-office.com and other domains — hakozakigu.or.jp, ariake-bk.com, konnicosme.jp and two more among them.
These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that map to three IP numbers:
ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names that point to one IP address:
ns2.xserver.jp directs to 35.72.43.26.
ns3.xserver.jp directs to 202.226.36.247.
Mail Servers
ruby-office.com is served by just one mail server: ruby-office.com.
ruby-office.com has exactly one IP number: 162.43.116.130.