itogiken.com - robtex.com
itogiken.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 124.146.223.144🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | itogiken.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 | itogiken.com ⭐ | ||||||
| A | 124.146.223.144🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | itogiken.com | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:124.146.222.2/32 +ip4:124.146.223.144/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034111 | ||||||
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=1774779732 | ||||||
PTR for
MX for
itogiken.com |
Same first word
itogiken.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns3.sphere.ad.jp2015-07-26 → 2026-03-29 · 2 obs
● 2026-03-29 10:48:40
●NSns4.sphere.ad.jp2015-07-26 → 2026-03-29 · 2 obs
● 2026-03-29 10:48:40
●MXitogiken.com2015-07-26 → 2026-03-29 · 2 obs
● 2026-03-29 10:48:40
○A111.89.134.202015-07-26 → 2015-07-26 · 3 obs
○ 2015-12-02 12:48:00
○ 2026-03-29 10:48:40
●A124.146.223.1442015-12-02 → 2026-03-29 · 3 obs
● 2015-12-02 12:48:00
● 2026-03-29 10:48:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net... | - |
| itogiken.com | 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 itogiken.com (unsigned zone)
⏱️ Timing
Total: 985ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 124.146.223.144 |
| NS | 2 | ns3.sphere.ad.jp, ns4.sphere.ad.jp |
| MX | 1 | itogiken.com (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:124.146 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
itogiken.com serves as the mail server for itogiken.com.
IP Addresses
itogiken.com points to a single IP number: 124.146.223.144.
Name Servers
Delegation for itogiken.com rests with two name servers, ns3.sphere.ad.jp and ns4.sphere.ad.jp.
itogiken.com shares the same name server setup as other domains, including 21.153.210.in-addr.arpa, do.ws37.arena.ne.jp, 218.146.124.in-addr.arpa, g-tech.co-site.jp and www.i-t-system.co.jp.
itogiken.com partially shares name servers with other domains, for instance bridgestone-museum.gr.jp, koubun.ed.jp, sankeicoltd.net and chorishi.com.
Host names with one IP number: 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 itogiken.com.
itogiken.com points to a single IP: 124.146.223.144.