mb.postem.com - robtex.com
mb.postem.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.212.133.26🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | www10n.sppd.ne.jp | ||||||
postem.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | vm0.postem.com ⭐ | ||||||
| NS | ns3.sppd.ne.jp | ||||||
| NS | ns6.sppd.ne.jp | ||||||
| MX | mb.postem.com ⭐ | ||||||
| TXT | v=spf1 +mx +a ~all | ||||||
| SOA | vm0.postem.comroot@vm0.postem.com 2024-10-26 #1 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A202.212.133.262026-02-23 → 2026-04-13 · 3 obs
○ 2016-10-20 11:51:24
● 2026-02-23 00:58:04
● 2026-04-13 07:58:40
● 2026-02-23 00:58:04
● 2026-04-13 07:58:40
○A202.212.133.412015-07-01 → 2016-10-20 · 4 obs
● 2015-07-01 21:51:46
● 2016-10-20 11:51:24
○ 2026-02-23 00:58:04
○ 2026-04-13 07:58:40
● 2016-10-20 11:51:24
○ 2026-02-23 00:58:04
○ 2026-04-13 07:58:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| postem.com | ns3.sppd.ne.jp, ns6.sppd.ne.jp | - |
✅ Authoritative Response
Server:202.212.133.7
NS records: ns3.sppd.ne.jp, ns6.sppd.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for postem.com (unsigned zone)
⏱️ Timing
Total: 1116ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.212.133.26 |
Analysis
Mail Server Role
mb.postem.com functions as a mail server for postem.com.
IP Addresses
mb.postem.com resolves to one IP number: 202.212.133.26.
other host names including vm0.nobiakira.com, mb.sugawaragumi.com, vm0.38ch.net, mb.tax-one.info and sugawaragumi.com share IP numbers with mb.postem.com.