tetracrew.com - robtex.com
tetracrew.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 116.80.106.99🇯🇵 InfoSphere116.80.0.0/16 INFOSPHERE | ||||||
| PTR | tetracrew.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 | tetracrew.com ⭐ | ||||||
| A | 116.80.106.99🇯🇵 InfoSphere116.80.0.0/16 INFOSPHERE | ||||||
| PTR | tetracrew.com | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:116.80.106.99/32 +ip4:116.80.106.2/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1652645961 | ||||||
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=1774675127 | ||||||
PTR for
MX for
tetracrew.com |
Same first word
tetracrew.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns3.sphere.ad.jp2015-07-16 → 2026-03-28 · 2 obs
● 2026-03-28 05:20:30
●NSns4.sphere.ad.jp2015-07-16 → 2026-03-28 · 2 obs
● 2026-03-28 05:20:30
●MXtetracrew.com2015-07-16 → 2026-03-28 · 2 obs
● 2026-03-28 05:20:30
●A116.80.106.992026-03-02 → 2026-03-28 · 3 obs
● 2026-03-02 22:45:38
● 2026-03-28 05:20:30
○A202.229.64.1152015-07-16 → 2018-12-26 · 4 obs
● 2018-12-26 12:15:04
○ 2026-03-02 22:45:38
○ 2026-03-28 05:20:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| tetracrew.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 tetracrew.com (unsigned zone)
⏱️ Timing
Total: 1201ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 116.80.106.99 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | tetracrew.com (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:116.80. |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
tetracrew.com serves as the mail server for tetracrew.com.
IP Addresses
tetracrew.com points to a single IP number: 116.80.106.99.
Name Servers
Delegation for tetracrew.com rests with two name servers, ns3.sphere.ad.jp and ns4.sphere.ad.jp.
tetracrew.com shares the same name server setup as other domains, including st93.arena.ne.jp, 4.229.202.in-addr.arpa, mssi.co.jp, idea-housewares.jp and www.naritaseitosho.co.jp.
tetracrew.com partially shares name servers with other domains; for instance psi-net.jp and pqs1.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 tetracrew.com.
tetracrew.com points to a single IP: 116.80.106.99.