office23.net - robtex.com
office23.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=1778475031 | ||||||
Subdomains
Same first word
Similar names
DNS History
12 records (7 active, 5 former)
○NSdns01.muumuu-domain.com2015-07-01 → 2017-08-23 · 3 obs
● 2017-08-23 14:40:34
○ 2026-05-11 05:15:22
○NSdns02.muumuu-domain.com2015-07-01 → 2017-08-23 · 3 obs
● 2017-08-23 14:40:34
○ 2026-05-11 05:15:22
●NSns1.xserver.jp2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 05:15:22
●NSns2.xserver.jp2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 05:15:22
●NSns3.xserver.jp2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 05:15:22
●NSns4.xserver.jp2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 05:15:22
●NSns5.xserver.jp2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 05:15:22
○NSoffice23.net2015-07-01 → 2017-08-23 · 3 obs
● 2017-08-23 14:40:34
○ 2026-05-11 05:15:22
○MXmx.office23.net2015-07-01 → 2017-08-23 · 3 obs
● 2017-08-23 14:40:34
○ 2026-05-11 05:15:22
●MXoffice23.net2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 05:15:22
●A157.112.189.612016-05-09 → 2026-05-11 · 3 obs
● 2016-05-09 00:57:10
● 2026-05-11 05:15:22
○A203.189.109.942015-07-01 → 2016-02-04 · 4 obs
● 2016-02-04 00:42:10
○ 2016-05-09 00:57:10
○ 2026-05-11 05:15:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| office23.net | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.170
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 office23.net (unsigned zone)
⏱️ Timing
Total: 413ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.189.61 |
| NS | 5 | ns3.xserver.jp, ns2.xserver.jp... |
| MX | 1 | office23.net (pri: 0) |
| TXT | 1 | v=spf1 +a:sv1060.xserver.jp +a:office23. |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
Analysis
Hierarchy
office23.net is parent of mx.office23.net and mail.office23.net.
IP Addresses
office23.net resolves to a single IP address: 157.112.189.61.
Other host names including www.roadofmajor.jp, hacchi.jp, roadofmajor.jp, vxi.jp and sipnavi.jp share IP numbers with office23.net.
Name Servers
office23.net is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
office23.net at least partially shares name servers with other domains, including web-marketing-center.com, sanei-co.com, yokoyama-denki.com, wp-web.net and gyouseishoshi.org.
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 office23.net.
office23.net points to a single IP: 157.112.189.61.