mx.sdunion.jp - robtex.com
mx.sdunion.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.233.72.4🇯🇵 MEDIAWARS210.233.64.0/20 PACNET (proxy-registered route object) | ||||||
| PTR | eco-002.mediawars.net | ||||||
sdunion.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.233.72.26🇯🇵 MEDIAWARS210.233.64.0/20 PACNET (proxy-registered route object) | ||||||
| NS | ns-451.awsdns-56.com ⭐ | ||||||
| NS | ns-1227.awsdns-25.org | ||||||
| NS | ns-1591.awsdns-06.co.uk | ||||||
| NS | ns-976.awsdns-58.net | ||||||
| MX | mx.sdunion.jp ⭐ | ||||||
| TXT | v=spf1 ip4:219.127.208.0/24 ip4:221.250.86.152/29 ip4:210.233.72.4 ~all | ||||||
| SOA | ns-451.awsdns-56.comawsdns-hostmaster@amazon.com serial=1 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A210.233.72.1812015-07-17 → 2016-07-14 · 4 obs
● 2015-07-17 16:35:40
● 2016-07-14 13:40:46
○ 2026-06-23 00:29:12
○ 2026-07-10 05:47:58
● 2016-07-14 13:40:46
○ 2026-06-23 00:29:12
○ 2026-07-10 05:47:58
●A210.233.72.42026-06-23 → 2026-07-10 · 3 obs
○ 2016-07-14 13:40:46
● 2026-06-23 00:29:12
● 2026-07-10 05:47:58
● 2026-06-23 00:29:12
● 2026-07-10 05:47:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| sdunion.jp | ns-451.awsdns-56.com, ns-976.awsdns-58.net, ns-1227.awsdns-25.org, ns-1591.awsdns-06.co.uk | - |
✅ Authoritative Response
Server:205.251.195.208
NS records: ns-451.awsdns-56.com, ns-976.awsdns-58.net, ns-1227.awsdns-25.org, ns-1591.awsdns-06.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdunion.jp (unsigned zone)
⏱️ Timing
Total: 1101ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.233.72.4 |
Analysis
Mail Server Role
mx.sdunion.jp serves as a mail server for sdunion.jp.
IP Addresses
mx.sdunion.jp points to a single IP number: 210.233.72.4.
Additional host names — epkyoto.co.jp, kyoto-lions.jp, toyohara.co.jp and two others — share IP numbers with mx.sdunion.jp.