command-z.jp - robtex.com
command-z.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 161.34.17.17🇯🇵 InfoSphere161.34.0.0/16 INFOSPHERE | ||||||
| PTR | command-z.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 | command-z.jp ⭐ | ||||||
| A | 161.34.17.17🇯🇵 InfoSphere161.34.0.0/16 INFOSPHERE | ||||||
| PTR | command-z.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:161.34.17.2/32 +ip4:161.34.17.17/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1572505162 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1775547902 | ||||||
PTR for
MX for
command-z.jp |
Same first word
command-z.jp |
DNS History
7 records (4 active, 3 former)
○NSasns1.customer.ne.jp2015-08-07 → 2017-03-22 · 4 obs
● 2017-03-22 03:34:40
○ 2020-02-17 00:15:54
○ 2026-04-07 08:09:24
○NSasns2.customer.ne.jp2015-08-07 → 2017-03-22 · 4 obs
● 2017-03-22 03:34:40
○ 2020-02-17 00:15:54
○ 2026-04-07 08:09:24
●NSns3.sphere.ad.jp2020-02-17 → 2026-04-07 · 3 obs
● 2020-02-17 00:15:54
● 2026-04-07 08:09:24
●NSns4.sphere.ad.jp2020-02-17 → 2026-04-07 · 3 obs
● 2020-02-17 00:15:54
● 2026-04-07 08:09:24
●MXcommand-z.jp2015-08-07 → 2026-04-07 · 2 obs
● 2026-04-07 08:09:24
●A161.34.17.172020-02-17 → 2026-04-07 · 3 obs
● 2020-02-17 00:15:54
● 2026-04-07 08:09:24
○A61.126.43.792015-08-07 → 2017-03-22 · 4 obs
● 2017-03-22 03:34:40
○ 2020-02-17 00:15:54
○ 2026-04-07 08:09:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, h.dns.jp, a.dns.jp, e.dns.jp... | - |
| command-z.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 command-z.jp (unsigned zone)
⏱️ Timing
Total: 1213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 161.34.17.17 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | command-z.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:161.34. |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
command-z.jp serves as the mail server for command-z.jp.
IP Addresses
command-z.jp resolves to a single IP address: 161.34.17.17.
Name Servers
command-z.jp's delegation uses two name servers, ns3.sphere.ad.jp and ns4.sphere.ad.jp.
command-z.jp shares the same name server setup as other domains, for example w3lab.jp, www.takekko.jp, ashiba-chiba.com, kushima-municipal-hospital.com and www.toono.co.jp.
Host names with a single IP:
ns3.sphere.ad.jp points to 202.239.113.22.
ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
A single mail server handles command-z.jp.
command-z.jp points to a single IP: 161.34.17.17.