mb.keitai.com - robtex.com
mb.keitai.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.212.219.21🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | www8wm.sppd.ne.jp | ||||||
keitai.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | vm0.keitai.com ⭐ | ||||||
| NS | ns.sppd.ne.jp | ||||||
| NS | ns7.sppd.ne.jp | ||||||
| MX | mb.keitai.com ⭐ | ||||||
| TXT | v=spf1 +mx +a ~all | ||||||
| SOA | vm0.keitai.comroot@vm0.keitai.com 2026-02-12 #1 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A111.89.207.1592015-07-16 → 2016-06-19 · 4 obs
● 2015-07-16 10:18:34
● 2016-06-19 06:35:52
○ 2026-03-27 08:16:42
○ 2026-05-14 06:20:46
● 2016-06-19 06:35:52
○ 2026-03-27 08:16:42
○ 2026-05-14 06:20:46
●A202.212.219.212026-03-27 → 2026-05-14 · 3 obs
○ 2016-06-19 06:35:52
● 2026-03-27 08:16:42
● 2026-05-14 06:20:46
● 2026-03-27 08:16:42
● 2026-05-14 06:20:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net... | - |
| keitai.com | ns.sppd.ne.jp, ns7.sppd.ne.jp | - |
✅ Authoritative Response
Server:202.212.133.6
NS records: ns.sppd.ne.jp, ns7.sppd.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for keitai.com (unsigned zone)
⏱️ Timing
Total: 1060ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.212.219.21 |
Analysis
Mail Server Role
mb.keitai.com serves as the mail server for keitai.com.
IP Addresses
mb.keitai.com points to a single IP: 202.212.219.21.
Other host names, for instance mb.vjdic.net, mb.eline-system.com, mb.powerspot.net, mb.daiho.net and mb.k-plt.jp share IP numbers with mb.keitai.com.