mx.fourone.jp - robtex.com
mx.fourone.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.206.94🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
fourone.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.51🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | fourone.jp ⭐ | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| MX | mx.fourone.jp ⭐ | ||||||
| TXT | v=spf1 include:_spf.shared-server.net +mx ~all | ||||||
| SOA | fourone.jphostmaster@fourone.jp serial=2602171610 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A153.122.206.942026-05-15 → 2026-05-15 · 3 obs
○ 2016-05-10 12:41:40
● 2026-05-15 00:36:18
● 2026-05-15 14:48:30
● 2026-05-15 00:36:18
● 2026-05-15 14:48:30
○A211.13.204.142016-05-10 → 2016-05-10 · 3 obs
● 2016-05-10 12:41:40
○ 2026-05-15 00:36:18
○ 2026-05-15 14:48:30
○ 2026-05-15 00:36:18
○ 2026-05-15 14:48:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, d.dns.jp, g.dns.jp, b.dns.jp... | - |
| fourone.jp | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp | - |
✅ Authoritative Response
Server:210.139.255.1
NS records: dnss10.so-net.ne.jp, dnss11.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fourone.jp (unsigned zone)
⏱️ Timing
Total: 4173ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.206.94 |
Analysis
Mail Server Role
mx.fourone.jp functions as a mail server for fourone.jp.
IP Addresses
mx.fourone.jp resolves to one IP number: 153.122.206.94.
other host names including mx.ibanavi.jp, mx.edahiro.jp, mx.kimono-ya.co.jp, mx.an-dental.com and mx.voglio.org share IP numbers with mx.fourone.jp.