group-mail.jp - robtex.com
group-mail.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.138.29.30🇯🇵 InfoSphere203.138.0.0/16 INFOSPHERE | ||||||
| PTR | group-mail.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 | group-mail.jp ⭐ | ||||||
| A | 203.138.29.30🇯🇵 InfoSphere203.138.0.0/16 INFOSPHERE | ||||||
| PTR | group-mail.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:203.138.29.2/32 +ip4:203.138.29.30/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034075 | ||||||
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=1776132903 | ||||||
PTR for
MX for
group-mail.jp |
Same first word
group-mail.net |
group-mail.de |
group-mail.com |
group-mail.jp |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-06-08 → 2026-04-14 · 2 obs
● 2026-04-14 02:41:02
●NSns4.sphere.ad.jp2015-06-08 → 2026-04-14 · 2 obs
● 2026-04-14 02:41:02
●MXgroup-mail.jp2015-06-08 → 2026-04-14 · 2 obs
● 2026-04-14 02:41:02
●A203.138.29.302015-06-08 → 2026-04-14 · 2 obs
● 2026-04-14 02:41:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| group-mail.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 group-mail.jp (unsigned zone)
⏱️ Timing
Total: 1624ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.138.29.30 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | group-mail.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:203.138 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
group-mail.jp serves as the mail server for group-mail.jp.
IP Addresses
group-mail.jp points to an IP address: 203.138.29.30.
Name Servers
Two name servers ns3.sphere.ad.jp and ns4.sphere.ad.jp handle the delegation for group-mail.jp.
group-mail.jp shares the same name server setup as other domains, for instance taiyolife.com, www.f-kobunshi.co.jp, setouchibus.co.jp, saraytokyo.com and dccorp.on.arena.ne.jp.
Host names with one IP:
ns3.sphere.ad.jp points to: 202.239.113.22
ns4.sphere.ad.jp points to: 202.239.113.30
Mail Servers
group-mail.jp is handled by a single mail server.
The host name group-mail.jp points to IP 203.138.29.30.