sc-brain.co.jp - robtex.com
sc-brain.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 124.146.222.43🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | sc-brain.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 | sc-brain.co.jp ⭐ | ||||||
| A | 124.146.222.43🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | sc-brain.co.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:124.146.222.2/32 +ip4:124.146.222.43/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034189 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
PTR for
MX for
sc-brain.co.jp |
Same first word
sc-brain.co.jp |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-06-10 → 2026-07-11 · 2 obs
● 2026-07-11 18:02:38
●NSns4.sphere.ad.jp2015-06-10 → 2026-07-11 · 2 obs
● 2026-07-11 18:02:38
●MXsc-brain.co.jp2015-06-10 → 2026-07-11 · 2 obs
● 2026-07-11 18:02:38
●A124.146.222.432015-06-10 → 2026-07-11 · 2 obs
● 2026-07-11 18:02:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| sc-brain.co.jp | ns3.sphere.ad.jp, ns4.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.22
NS records: ns3.sphere.ad.jp, ns4.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sc-brain.co.jp (unsigned zone)
⏱️ Timing
Total: 4209ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 124.146.222.43 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | sc-brain.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
sc-brain.co.jp serves as a mail server for sc-brain.co.jp.
IP Addresses
sc-brain.co.jp has exactly one IP address — 124.146.222.43.
Name Servers
sc-brain.co.jp has two authoritative name servers — ns3.sphere.ad.jp and ns4.sphere.ad.jp.
The name server configuration of sc-brain.co.jp is shared with other domains, for instance 3190.jp, www.kyoto-park.or.jp, 39.212.202.in-addr.arpa and two others.
sc-brain.co.jp has a partial name server overlap with other domains — among them jwva.jp and samup.jp.
ns3.sphere.ad.jp directs to 202.239.113.22 and ns4.sphere.ad.jp directs to 202.239.113.30; each host name points to exactly one IP number.
Mail Servers
sc-brain.co.jp uses exactly one mail server, which is sc-brain.co.jp.
sc-brain.co.jp points to one IP number — 124.146.222.43.