construction-ex.com - robtex.com
construction-ex.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=1777528421 | ||||||
MX for
construction-ex.com |
Same first word
construction-ex.com |
DNS History
12 records (7 active, 5 former)
○NSmaster.dns.ne.jp2019-01-09 → 2019-01-09 · 3 obs
○ 2026-02-20 18:39:14
○ 2026-04-30 05:55:12
○NSns1.dns.ne.jp2019-01-09 → 2019-01-09 · 3 obs
○ 2026-02-20 18:39:14
○ 2026-04-30 05:55:12
●NSns1.xserver.jp2026-02-20 → 2026-04-30 · 3 obs
● 2026-02-20 18:39:14
● 2026-04-30 05:55:12
○NSns2.dns.ne.jp2019-01-09 → 2019-01-09 · 3 obs
○ 2026-02-20 18:39:14
○ 2026-04-30 05:55:12
●NSns2.xserver.jp2026-02-20 → 2026-04-30 · 3 obs
● 2026-02-20 18:39:14
● 2026-04-30 05:55:12
●NSns3.xserver.jp2026-02-20 → 2026-04-30 · 3 obs
● 2026-02-20 18:39:14
● 2026-04-30 05:55:12
●NSns4.xserver.jp2026-02-20 → 2026-04-30 · 3 obs
● 2026-02-20 18:39:14
● 2026-04-30 05:55:12
●NSns5.xserver.jp2026-02-20 → 2026-04-30 · 3 obs
● 2026-02-20 18:39:14
● 2026-04-30 05:55:12
●MXconstruction-ex.com2026-02-20 → 2026-04-30 · 3 obs
● 2026-02-20 18:39:14
● 2026-04-30 05:55:12
○MXm03.ex-pa.jp2019-01-09 → 2019-01-09 · 3 obs
○ 2026-02-20 18:39:14
○ 2026-04-30 05:55:12
○A153.120.87.1802019-01-09 → 2019-01-09 · 3 obs
○ 2026-02-20 18:39:14
○ 2026-04-30 05:55:12
●A183.90.241.832026-02-20 → 2026-04-30 · 3 obs
● 2026-02-20 18:39:14
● 2026-04-30 05:55:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net... | - |
| construction-ex.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:183.90.224.230
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 construction-ex.com (unsigned zone)
⏱️ Timing
Total: 2481ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.241.83 |
| NS | 5 | ns4.xserver.jp, ns2.xserver.jp... |
| MX | 1 | construction-ex.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv7562.xserver.jp +a:construct |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
construction-ex.com serves as the mail server for construction-ex.com.
IP Addresses
construction-ex.com points to IP number: 183.90.241.83.
Other host names such as sv7562.xserver.jp, military-goods.com, www.strec.org, estatesummary.com and *.jovr.net share IPs with construction-ex.com.
Name Servers
construction-ex.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
construction-ex.com at least partially shares name servers with other domains, for instance supportsurface.jp, splanner.co.jp, kato-aga-clinic.com, kyoto.tips and b-good.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
construction-ex.com is handled by a single mail server, construction-ex.com.
construction-ex.com points to a single IP: 183.90.241.83.