j-sctr.org - robtex.com
j-sctr.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 119.245.206.235🇯🇵 InfoSphere119.245.0.0/16 INFOSPHERE | ||||||
| PTR | j-sctr.org | ||||||
| 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 | j-sctr.org ⭐ | ||||||
| A | 119.245.206.235🇯🇵 InfoSphere119.245.0.0/16 INFOSPHERE | ||||||
| PTR | j-sctr.org | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:119.245.205.2/32 +ip4:119.245.206.235/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034117 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785737472 | ||||||
PTR for
MX for
j-sctr.org |
Subdomains
www.j-sctr.org |
Same first word
j-sctr.org |
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-05-13 → 2026-08-03 · 2 obs
● 2026-08-03 07:00:30
●NSns4.sphere.ad.jp2015-05-13 → 2026-08-03 · 2 obs
● 2026-08-03 07:00:30
●MXj-sctr.org2015-05-13 → 2026-08-03 · 2 obs
● 2026-08-03 07:00:30
●A119.245.206.2352015-05-13 → 2026-08-03 · 2 obs
● 2026-08-03 07:00:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| j-sctr.org | 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 j-sctr.org (unsigned zone)
⏱️ Timing
Total: 1033ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 119.245.206.235 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | j-sctr.org (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:119.245 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Hierarchy
j-sctr.org is the parent zone for www.j-sctr.org.
Mail Server Role
The MX record for j-sctr.org points back to j-sctr.org — it is its own mail server.
IP Addresses
j-sctr.org directs to one IP number, which is 119.245.206.235.
There are other host names — www.j-sctr.org among them — that share IP numbers with j-sctr.org.
Name Servers
DNS delegation for j-sctr.org points to two name servers: ns3.sphere.ad.jp and ns4.sphere.ad.jp.
j-sctr.org has the same name server delegation as a number of other domains, such as www.megadent.co.jp, seasky.co.jp, kkano.com and two more.
There is an overlap in name servers between j-sctr.org and other domains, for example donbosco.jp, suidou.or.jp and bemax.co.jp
ns3.sphere.ad.jp resolves to 202.239.113.22. ns4.sphere.ad.jp resolves to 202.239.113.30. Both host names point to a single IP number.
Mail Servers
The MX record for j-sctr.org points to a single mail server: j-sctr.org.
j-sctr.org has exactly one IP number: 119.245.206.235.