izumina.com - robtex.com
izumina.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.212.248.239🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | izumina.com | ||||||
| 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 | izumina.com ⭐ | ||||||
| A | 202.212.248.239🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | izumina.com | ||||||
| SOA | ns3.sphere.ad.jphostmaster@suite.arena.ne.jp serial=1649376919 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786889724 | ||||||
PTR for
MX for
izumina.com |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-08-18 → 2026-08-16 · 2 obs
● 2026-08-16 14:39:46
●NSns4.sphere.ad.jp2015-08-18 → 2026-08-16 · 2 obs
● 2026-08-16 14:39:46
●MXizumina.com2015-08-18 → 2026-08-16 · 2 obs
● 2026-08-16 14:39:46
●A202.212.248.2392015-08-18 → 2026-08-16 · 2 obs
● 2026-08-16 14:39:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net... | - |
| izumina.com | 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 izumina.com (unsigned zone)
⏱️ Timing
Total: 3181ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.212.248.239 |
| NS | 2 | ns3.sphere.ad.jp, ns4.sphere.ad.jp |
| MX | 1 | izumina.com (pri: 10) |
| SOA | 1 | ns3.sphere.ad.jp hostmaster.suite.arena. |
Analysis
Mail Server Role
izumina.com acts as its own mail server.
IP Addresses
izumina.com points to a single IP number: 202.212.248.239.
Name Servers
izumina.com is served by two delegated name servers, ns3.sphere.ad.jp and ns4.sphere.ad.jp.
izumina.com shares its name server setup with other domains, including tri-ad.co.jp, ptls.jp, bp.thyme1.arena.ne.jp and two others.
izumina.com shares at least some of its name servers with other domains, including urabanchou.com, ledzone.com, sey.jp and two others.
ns3.sphere.ad.jp and ns4.sphere.ad.jp each resolve to one IP number: ns3.sphere.ad.jp points to 202.239.113.22 and ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
izumina.com has a single mail server: izumina.com itself.
There is one IP number for izumina.com: 202.212.248.239.