mx.estt.co.jp - robtex.com
mx.estt.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.206.114🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
estt.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.6🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | ns2.namedserver.net ⭐ | ||||||
| NS | ns.namedserver.net | ||||||
| MX | mx.estt.co.jp ⭐ | ||||||
| TXT | v=spf1 include:_spf.shared-server.net ~all | ||||||
| SOA | ns.namedserver.netroot@namedserver.net serial=2698697960 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A153.122.206.1142026-02-24 → 2026-05-12 · 3 obs
○ 2018-12-12 18:46:50
● 2026-02-24 16:18:12
● 2026-05-12 17:28:12
● 2026-02-24 16:18:12
● 2026-05-12 17:28:12
○A211.13.204.42018-12-12 → 2018-12-12 · 3 obs
● 2018-12-12 18:46:50
○ 2026-02-24 16:18:12
○ 2026-05-12 17:28:12
○ 2026-02-24 16:18:12
○ 2026-05-12 17:28:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| estt.co.jp | ns2.namedserver.net, ns.namedserver.net | - |
✅ Authoritative Response
Server:157.120.112.212
NS records: ns2.namedserver.net, ns.namedserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for estt.co.jp (unsigned zone)
⏱️ Timing
Total: 1418ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.206.114 |
Analysis
Mail Server Role
mx.estt.co.jp is the mail server for estt.co.jp.
IP Addresses
mx.estt.co.jp points to a single IP number: 153.122.206.114.
other host names for instance mx.hm-roumu.com, mx.it-plan.co.jp, mx.epres.jp, mx.sagaway.jp and mx.produce-d.com share IP numbers with mx.estt.co.jp.