mb.so-bu.com - robtex.com
mb.so-bu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.212.133.93🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | trust2.sv3.jp | ||||||
so-bu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.212.133.93🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| NS | vm0.so-bu.com ⭐ | ||||||
| NS | ns4.sppd.ne.jp | ||||||
| NS | ns8.sppd.ne.jp | ||||||
| MX | mb.so-bu.com ⭐ | ||||||
| TXT | v=spf1 +mx +a ~all | ||||||
| SOA | vm0.so-bu.comroot@vm0.so-bu.com 2024-11-01 #1 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A202.212.133.932026-03-08 → 2026-04-27 · 2 obs
● 2026-03-08 21:10:50
● 2026-04-27 16:08:50
● 2026-04-27 16:08:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net... | - |
| so-bu.com | ns8.sppd.ne.jp, ns4.sppd.ne.jp | - |
✅ Authoritative Response
Server:202.212.133.10
NS records: ns8.sppd.ne.jp, ns4.sppd.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for so-bu.com (unsigned zone)
⏱️ Timing
Total: 987ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.212.133.93 |
Analysis
Mail Server Role
mb.so-bu.com is the mail server for so-bu.com.
IP Addresses
mb.so-bu.com maps to IP address 202.212.133.93.
Other host names, for instance vm0.daiki-1996.co.jp, vm0.repst-a.com, vm0.kanarijuken.com, mb.higumatosou.com and vm0.hasegawa-builder.com share IP numbers with mb.so-bu.com.