house-do.com - robtex.com
house-do.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.138.50.122🇯🇵 InfoSphere203.138.0.0/16 INFOSPHERE | ||||||
| PTR | house-do.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 | house-do.com ⭐ | ||||||
| A | 203.138.50.122🇯🇵 InfoSphere203.138.0.0/16 INFOSPHERE | ||||||
| PTR | house-do.com | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1649401700 | ||||||
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=1778446961 | ||||||
PTR for
MX for
house-do.com |
Same first word
house-do.com |
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-08-17 → 2026-05-10 · 2 obs
● 2026-05-10 21:04:12
●NSns4.sphere.ad.jp2015-08-17 → 2026-05-10 · 2 obs
● 2026-05-10 21:04:12
●MXhouse-do.com2015-08-17 → 2026-05-10 · 2 obs
● 2026-05-10 21:04:12
●A203.138.50.1222015-08-17 → 2026-05-10 · 2 obs
● 2026-05-10 21:04:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net... | - |
| house-do.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 house-do.com (unsigned zone)
⏱️ Timing
Total: 1487ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.138.50.122 |
| NS | 2 | ns3.sphere.ad.jp, ns4.sphere.ad.jp |
| MX | 1 | house-do.com (pri: 10) |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
house-do.com serves as a mail server for house-do.com.
IP Addresses
house-do.com points to a single IP: 203.138.50.122.
Name Servers
Two name servers ns3.sphere.ad.jp and ns4.sphere.ad.jp handle delegation for house-do.com.
house-do.com uses the same name server setup as other domains, for example yajishoten.co.jp, nkdenshi.co.jp, ittoku.jp, menehune.on.arena.ne.jp and kenseisha.net.
house-do.com shares name servers with other domains at least partially, for instance urabanchou.com, sey.jp, titiburomenkamera.saitama.jp and tendo-kankoji.jp.
Host names with one IP number: The host name ns3.sphere.ad.jp points to 202.239.113.22 and the host name ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
house-do.com is handled by a single mail server, house-do.com.
house-do.com points to a single IP: 203.138.50.122.