sfida-cycle.jp - robtex.com
sfida-cycle.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 1.33.172.72🇯🇵 InfoSphere1.33.0.0/16 INFOSPHERE | ||||||
| PTR | sfida-cycle.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 | sfida-cycle.jp ⭐ | ||||||
| A | 1.33.172.72🇯🇵 InfoSphere1.33.0.0/16 INFOSPHERE | ||||||
| PTR | sfida-cycle.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:1.33.172.2/32 +ip4:1.33.172.72/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034193 | ||||||
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=1780817402 | ||||||
PTR for
MX for
sfida-cycle.jp |
Same first word
sfida-cycle.jp |
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-06-20 → 2026-06-07 · 2 obs
● 2026-06-07 07:33:38
●NSns4.sphere.ad.jp2015-06-20 → 2026-06-07 · 2 obs
● 2026-06-07 07:33:38
●MXsfida-cycle.jp2015-06-20 → 2026-06-07 · 2 obs
● 2026-06-07 07:33:38
●A1.33.172.722015-06-20 → 2026-06-07 · 2 obs
● 2026-06-07 07:33:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| sfida-cycle.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 sfida-cycle.jp (unsigned zone)
⏱️ Timing
Total: 2162ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 1.33.172.72 |
| NS | 2 | ns3.sphere.ad.jp, ns4.sphere.ad.jp |
| MX | 1 | sfida-cycle.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:1.33.17 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
sfida-cycle.jp is listed as a mail server for itself.
IP Addresses
sfida-cycle.jp resolves to one IP address: 1.33.172.72.
Name Servers
DNS delegation for sfida-cycle.jp points to two name servers: ns3.sphere.ad.jp and ns4.sphere.ad.jp.
sfida-cycle.jp uses the same name servers as several other domains — among them 191.33.1.in-addr.arpa, 7037.pr.arena.ne.jp, kt-corp.jp and two more.
sfida-cycle.jp has partial name server overlap with other domains, including ofunato.net.
ns3.sphere.ad.jp → 202.239.113.22 and ns4.sphere.ad.jp → 202.239.113.30: one IP number per host name.
Mail Servers
Mail for sfida-cycle.jp is handled by one mail server — sfida-cycle.jp.
sfida-cycle.jp has exactly one IP number: 1.33.172.72.