idea4u.net - robtex.com
idea4u.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=1774552277 | ||||||
MX for
idea4u.net |
Subdomains
www.idea4u.net |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2015-05-15 → 2026-03-26 · 2 obs
● 2026-03-26 19:36:00
●NSns2.xserver.jp2015-05-15 → 2026-03-26 · 2 obs
● 2026-03-26 19:36:00
●NSns3.xserver.jp2015-05-15 → 2026-03-26 · 2 obs
● 2026-03-26 19:36:00
●NSns4.xserver.jp2015-05-15 → 2026-03-26 · 2 obs
● 2026-03-26 19:36:00
●NSns5.xserver.jp2015-05-15 → 2026-03-26 · 2 obs
● 2026-03-26 19:36:00
●MXidea4u.net2015-05-15 → 2026-03-26 · 2 obs
● 2026-03-26 19:36:00
●A157.112.176.92015-05-15 → 2026-03-26 · 2 obs
● 2026-03-26 19:36:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| idea4u.net | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:157.112.182.218
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 idea4u.net (unsigned zone)
⏱️ Timing
Total: 1064ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.176.9 |
| NS | 5 | ns1.xserver.jp, ns3.xserver.jp... |
| MX | 1 | idea4u.net (pri: 0) |
| TXT | 2 | openai-domain-verification=dv-CkTKyxmRH6, v=spf1 +a:sv808.xserver.jp +a:idea4u.net |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
Analysis
Hierarchy
idea4u.net is the parent of www.idea4u.net.
Mail Server Role
idea4u.net serves as the mail server for idea4u.net.
IP Addresses
idea4u.net resolves to a single IP address: 157.112.176.9.
Other host names including 19get.com, funduce.net, dyna.jp, matsumura-nouen.co.jp and 100-1po.com share IP numbers with idea4u.net.
Name Servers
idea4u.net is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
idea4u.net at least partially shares name servers with other domains, including saitama-city-marathon.jp, cocorone-clinic.com, little-kyoto.com, fujitaphotos.com and ikanpo.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 idea4u.net.
idea4u.net points to a single IP: 157.112.176.9.