shibusr.com - robtex.com
shibusr.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 111.89.133.137🇯🇵 InfoSphere111.89.0.0/16 INFOSPHERE | ||||||
| PTR | shibusr.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 | shibusr.com ⭐ | ||||||
| A | 111.89.133.137🇯🇵 InfoSphere111.89.0.0/16 INFOSPHERE | ||||||
| PTR | shibusr.com | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:111.89.132.2/32 +ip4:111.89.133.137/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034193 | ||||||
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=1777235696 | ||||||
PTR for
MX for
shibusr.com |
Same first word
shibusr.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-08-06 → 2026-04-26 · 2 obs
● 2026-04-26 20:39:24
●NSns4.sphere.ad.jp2015-08-06 → 2026-04-26 · 2 obs
● 2026-04-26 20:39:24
●MXshibusr.com2015-08-06 → 2026-04-26 · 2 obs
● 2026-04-26 20:39:24
●A111.89.133.1372015-08-06 → 2026-04-26 · 2 obs
● 2026-04-26 20:39:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| shibusr.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 shibusr.com (unsigned zone)
⏱️ Timing
Total: 977ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 111.89.133.137 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | shibusr.com (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:111.89. |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
shibusr.com serves as the mail server for shibusr.com.
IP Addresses
shibusr.com resolves to one IP number: 111.89.133.137.
Name Servers
shibusr.com's delegation uses two name servers: ns3.sphere.ad.jp and ns4.sphere.ad.jp.
shibusr.com uses the same name server setup as other domains, such as 6.150.210.in-addr.arpa, kamo-r.com, micos-sb004.on.arena.ne.jp, suite.pr.arena.ne.jp and k-mse.co.jp.
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
shibusr.com is handled by a single mail server, shibusr.com.
Host name shibusr.com resolves to a single IP: 111.89.133.137.