mx.mdco.jp - robtex.com
mx.mdco.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.206.94🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
mdco.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.50🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | mdco.jp ⭐ | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| MX | mx.mdco.jp ⭐ | ||||||
| TXT | v=spf1 include:_spf.shared-server.net +mx ~all | ||||||
| SOA | mdco.jphostmaster@mdco.jp serial=2602171610 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A153.122.206.942026-03-20 → 2026-03-29 · 3 obs
○ 2016-05-24 04:34:50
● 2026-03-20 03:43:50
● 2026-03-29 00:06:00
● 2026-03-20 03:43:50
● 2026-03-29 00:06:00
○A211.13.204.142016-03-08 → 2016-05-24 · 4 obs
● 2016-03-08 17:23:16
● 2016-05-24 04:34:50
○ 2026-03-20 03:43:50
○ 2026-03-29 00:06:00
● 2016-05-24 04:34:50
○ 2026-03-20 03:43:50
○ 2026-03-29 00:06:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, c.dns.jp, d.dns.jp, h.dns.jp... | - |
| mdco.jp | dnss11.so-net.ne.jp, dnss10.so-net.ne.jp | - |
✅ Authoritative Response
Server:210.139.255.1
NS records: dnss11.so-net.ne.jp, dnss10.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mdco.jp (unsigned zone)
⏱️ Timing
Total: 1502ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.206.94 |
Analysis
Mail Server Role
mx.mdco.jp serves as the mail server for mdco.jp.
IP Addresses
mx.mdco.jp points to a single IP: 153.122.206.94.
Other host names, for instance mx.hokushinkan-s.jp, mx.zaimoku.co.jp, mx.kds-inet.co.jp, mx.cs-and-t.co.jp and mx.daitoya.jp share IP numbers with mx.mdco.jp.