mx.semco.co.jp - robtex.com
mx.semco.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.229.91🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx-05.gmoserver.jp | ||||||
semco.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.121.119🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| NS | dns01.gmoserver.jp ⭐ | ||||||
| NS | dns02.gmoserver.jp | ||||||
| MX | mx.semco.co.jp ⭐ | ||||||
| TXT | v=spf1 include:spf.gmoserver.jp ~all | ||||||
| TXT | MS=ms87574762 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com include:spf.gmoserver.jp ~all | ||||||
| SOA | dns01.gmoserver.jphostmaster@semco.co.jp 2021-08-25 #3 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A157.7.144.132016-01-24 → 2016-09-10 · 4 obs
● 2016-01-24 15:19:20
● 2016-09-10 04:14:36
○ 2026-07-10 12:19:54
○ 2026-07-28 19:31:06
● 2016-09-10 04:14:36
○ 2026-07-10 12:19:54
○ 2026-07-28 19:31:06
●A160.251.229.912026-07-10 → 2026-07-28 · 3 obs
○ 2016-09-10 04:14:36
● 2026-07-10 12:19:54
● 2026-07-28 19:31:06
● 2026-07-10 12:19:54
● 2026-07-28 19:31:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| semco.co.jp | dns01.gmoserver.jp, dns02.gmoserver.jp | - |
✅ Authoritative Response
Server:157.7.34.81
NS records: dns01.gmoserver.jp, dns02.gmoserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for semco.co.jp (unsigned zone)
⏱️ Timing
Total: 1414ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.229.91 |
Analysis
Mail Server Role
Mail for semco.co.jp is routed through the mail server mx.semco.co.jp.
IP Addresses
mx.semco.co.jp has exactly one IP address — 160.251.229.91.
mx.usaryman.com, mx.tym-co.net, mx.s-taro.com plus two other host names have IP numbers in common with mx.semco.co.jp.