postem.com - dns.ninja
postem.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | vm0.postem.com ⭐ | ||||||
| A | 202.212.133.26🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | www10n.sppd.ne.jp | ||||||
| NS | ns3.sppd.ne.jp | ||||||
| A | 202.212.133.7🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | ns3.sppd.ne.jp | ||||||
| NS | ns6.sppd.ne.jp | ||||||
| A | 202.212.133.8🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | ns6.sppd.ne.jp | ||||||
| MX | mb.postem.com ⭐ | ||||||
| A | 202.212.133.26🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | www10n.sppd.ne.jp | ||||||
| TXT | v=spf1 +mx +a ~all | ||||||
| SOA | vm0.postem.comroot@vm0.postem.com 2024-10-26 #1 | ||||||
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=1781136183 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
○NSns2.sppd.ne.jp2015-08-01 → 2017-11-10 · 4 obs
● 2017-11-10 19:38:42
○ 2026-02-23 00:58:04
○ 2026-06-11 00:19:40
●NSns3.sppd.ne.jp2026-02-23 → 2026-06-11 · 3 obs
● 2026-02-23 00:58:04
● 2026-06-11 00:19:40
●NSns6.sppd.ne.jp2026-02-23 → 2026-06-11 · 3 obs
● 2026-02-23 00:58:04
● 2026-06-11 00:19:40
○NSns9.sppd.ne.jp2015-08-01 → 2017-11-10 · 4 obs
● 2017-11-10 19:38:42
○ 2026-02-23 00:58:04
○ 2026-06-11 00:19:40
●NSvm0.postem.com2015-08-01 → 2026-06-11 · 2 obs
● 2026-06-11 00:19:40
●MXmb.postem.com2015-08-01 → 2026-06-11 · 2 obs
● 2026-06-11 00:19:40
🔍 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: 3983ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns6.sppd.ne.jp, ns3.sppd.ne.jp |
| MX | 1 | mb.postem.com (pri: 10) |
| TXT | 1 | v=spf1 +mx +a ~all |
| SOA | 1 | vm0.postem.com root.vm0.postem.com |
Analysis
Hierarchy
postem.com serves as the parent of vm0.postem.com and mb.postem.com.
Name Servers
Three name servers are authoritative for postem.com: vm0.postem.com, ns3.sppd.ne.jp and ns6.sppd.ne.jp.
At least some of postem.com's name servers are shared with other domains, for example ichihashi-naika.jp, jep-net.co.jp, icc-coral.com and two more.
These name servers tend to appear together with the name servers ns.skd.ne.jp, vm0.ichihashi-naika.jp and vm0.jep-net.co.jp, plus two others.
Three hostnames, one IP address apiece: vm0.postem.com resolves to 202.212.133.26, ns3.sppd.ne.jp resolves to 202.212.133.7 and ns6.sppd.ne.jp resolves to 202.212.133.8.
Mail Servers
postem.com uses one mail server — mb.postem.com.
There is one IP number for mb.postem.com: 202.212.133.26.