root-design.co.jp - robtex.com
root-design.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 124.146.219.25🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | root-design.co.jp | ||||||
| NS | ns3.sphere.ad.jp ⭐ | ||||||
| A | 202.239.113.22🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns3.sphere.ad.jp | ||||||
| NS | ns4.sphere.ad.jp | ||||||
| A | 202.239.113.30🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns4.sphere.ad.jp | ||||||
| MX | root-design.co.jp ⭐ | ||||||
| A | 124.146.219.25🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | root-design.co.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:124.146.218.2/32 +ip4:124.146.219.25/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034183 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
MX for
root-design.co.jp |
Same first word
root-design.co.jp |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-05-28 → 2026-08-05 · 2 obs
● 2026-08-05 19:26:08
●NSns4.sphere.ad.jp2015-05-28 → 2026-08-05 · 2 obs
● 2026-08-05 19:26:08
●MXroot-design.co.jp2015-05-28 → 2026-08-05 · 2 obs
● 2026-08-05 19:26:08
●A124.146.219.252015-05-28 → 2026-08-05 · 2 obs
● 2026-08-05 19:26:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| root-design.co.jp | ns3.sphere.ad.jp, ns4.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.30
NS records: ns3.sphere.ad.jp, ns4.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for root-design.co.jp (unsigned zone)
⏱️ Timing
Total: 1618ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 124.146.219.25 |
| NS | 2 | ns3.sphere.ad.jp, ns4.sphere.ad.jp |
| MX | 1 | root-design.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:124.146 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
root-design.co.jp handles its own mail, functioning as its own mail server.
IP Addresses
root-design.co.jp resolves to just one IP address, 124.146.219.25.
Name Servers
root-design.co.jp uses two name servers for its delegation: ns3.sphere.ad.jp and ns4.sphere.ad.jp.
root-design.co.jp shares its NS records with other domains, for example 21.194.61.in-addr.arpa, tachikawa-isu.com, www.alook.ne.jp and two others.
At least some of root-design.co.jp's name servers are also used by other domains, among them monogatari-webmeisai.com.
ns3.sphere.ad.jp and ns4.sphere.ad.jp each resolve to one IP number: ns3.sphere.ad.jp points to 202.239.113.22 and ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
root-design.co.jp is served by just one mail server: root-design.co.jp.
root-design.co.jp directs to just one IP number, 124.146.219.25.