tsjnet.co.jp - robtex.com
tsjnet.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.44.10.108🇯🇵 InfoSphere163.44.0.0/18 INFOSPHERE | ||||||
| PTR | tsjnet.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 | tsjnet.co.jp ⭐ | ||||||
| A | 163.44.10.108🇯🇵 InfoSphere163.44.0.0/18 INFOSPHERE | ||||||
| PTR | tsjnet.co.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:163.44.9.2/32 +ip4:163.44.10.108/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1694412451 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
WOT: SAFE (58/100)
MX for
tsjnet.co.jp |
Subdomains
www.tsjnet.co.jp |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns3.sphere.ad.jp2015-06-24 → 2026-05-11 · 2 obs
● 2026-05-11 15:47:08
●NSns4.sphere.ad.jp2015-06-24 → 2026-05-11 · 2 obs
● 2026-05-11 15:47:08
●MXtsjnet.co.jp2015-06-24 → 2026-05-11 · 2 obs
● 2026-05-11 15:47:08
○A1.33.181.2082015-06-24 → 2018-11-16 · 4 obs
● 2018-11-16 03:05:50
○ 2026-03-29 01:27:06
○ 2026-05-11 15:47:08
●A163.44.10.1082026-03-29 → 2026-05-11 · 3 obs
● 2026-03-29 01:27:06
● 2026-05-11 15:47:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, b.dns.jp, a.dns.jp, g.dns.jp... | - |
| tsjnet.co.jp | ns4.sphere.ad.jp, ns3.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.22
NS records: ns4.sphere.ad.jp, ns3.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tsjnet.co.jp (unsigned zone)
⏱️ Timing
Total: 2454ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.44.10.108 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | tsjnet.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:163.44. |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Hierarchy
tsjnet.co.jp is the parent of www.tsjnet.co.jp.
Mail Server Role
For tsjnet.co.jp, the mail server is tsjnet.co.jp.
IP Addresses
tsjnet.co.jp points to a single IP number: 163.44.10.108.
Other host names, for instance www.tsjnet.co.jp, share IP numbers with tsjnet.co.jp.
Name Servers
tsjnet.co.jp is delegated to two name servers: ns3.sphere.ad.jp and ns4.sphere.ad.jp.
tsjnet.co.jp shares the same name server setup as other domains, for example intecs.org, landplanner.co.jp, tr19.pro.arena.ne.jp, yokohama-air-cabin.jp and bhn.or.jp.
tsjnet.co.jp at least partially shares its name servers with other domains, for instance jmaqc.jp.
Host names with one IP number:
The host ns3.sphere.ad.jp points to 202.239.113.22 and the host ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
One mail server handles tsjnet.co.jp.
Host name tsjnet.co.jp points to IP address 163.44.10.108.