koueinet.com - robtex.com
koueinet.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.44.13.128🇯🇵 InfoSphere163.44.0.0/18 INFOSPHERE | ||||||
| PTR | koueinet.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 | koueinet.com ⭐ | ||||||
| A | 163.44.13.128🇯🇵 InfoSphere163.44.0.0/18 INFOSPHERE | ||||||
| PTR | koueinet.com | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:163.44.13.2/32 +ip4:163.44.13.128/32 +ip4:21... | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034130 | ||||||
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=1771291435 | ||||||
PTR for
MX for
koueinet.com |
Same first word
DNS History
7 records (4 active, 3 former)
○NSns1.sphere.ad.jp2015-05-19 → 2016-12-02 · 4 obs
● 2016-12-02 08:24:54
○ 2017-09-26 18:28:46
○ 2026-03-24 06:06:36
○NSns2.sphere.ad.jp2015-05-19 → 2016-12-02 · 4 obs
● 2016-12-02 08:24:54
○ 2017-09-26 18:28:46
○ 2026-03-24 06:06:36
●NSns3.sphere.ad.jp2017-09-26 → 2026-03-24 · 3 obs
● 2017-09-26 18:28:46
● 2026-03-24 06:06:36
●NSns4.sphere.ad.jp2017-09-26 → 2026-03-24 · 3 obs
● 2017-09-26 18:28:46
● 2026-03-24 06:06:36
●MXkoueinet.com2017-09-26 → 2026-03-24 · 3 obs
● 2017-09-26 18:28:46
● 2026-03-24 06:06:36
○MXmail.koueinet.com2015-05-19 → 2016-12-02 · 4 obs
● 2016-12-02 08:24:54
○ 2017-09-26 18:28:46
○ 2026-03-24 06:06:36
●A163.44.13.1282017-09-26 → 2026-03-24 · 2 obs
● 2026-03-24 06:06:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| koueinet.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 koueinet.com (unsigned zone)
⏱️ Timing
Total: 1220ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.44.13.128 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | koueinet.com (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:163.44. |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
koueinet.com serves as the mail server for koueinet.com.
IP Addresses
koueinet.com resolves to one IP number: 163.44.13.128.
Name Servers
koueinet.com's delegation uses two name servers: ns3.sphere.ad.jp and ns4.sphere.ad.jp.
koueinet.com uses the same name server setup as other domains, such as bellpo.co-site.jp, mbss.jp, ikedakihei.co.jp, alljrs.co.jp and womenspower-kyoto.ne.jp.
koueinet.com shares name servers with other domains at least partially, for example seiwado.org and s-frutto.com.
Host names with a single IP address: ns3.sphere.ad.jp points to 202.239.113.22; ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
koueinet.com is handled by a single mail server, koueinet.com.
Host name koueinet.com resolves to a single IP: 163.44.13.128.