semco.co.jp - robtex.com
semco.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.121.119🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| PTR | sv14318.xserver.jp | ||||||
| NS | dns01.gmoserver.jp ⭐ | ||||||
| A | 157.7.33.81🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | dns01.gmoserver.jp | ||||||
| NS | dns02.gmoserver.jp | ||||||
| A | 157.7.34.81🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | dns02.gmoserver.jp | ||||||
| MX | mx.semco.co.jp ⭐ | ||||||
| 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 | ||||||
| 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 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSdns01.gmoserver.jp2015-08-15 → 2026-07-28 · 2 obs
● 2026-07-28 15:47:54
●NSdns02.gmoserver.jp2015-08-15 → 2026-07-28 · 2 obs
● 2026-07-28 15:47:54
●MXmx.semco.co.jp2015-08-15 → 2026-07-28 · 2 obs
● 2026-07-28 15:47:54
○A157.7.144.52015-08-15 → 2017-05-23 · 4 obs
● 2017-05-23 19:29:24
○ 2026-07-09 04:02:18
○ 2026-07-28 15:47:54
●A162.43.121.1192026-07-09 → 2026-07-28 · 3 obs
● 2026-07-09 04:02:18
● 2026-07-28 15:47:54
🔍 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:157.7.33.81
NS records: dns01.gmoserver.jp, dns02.gmoserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for semco.co.jp (unsigned zone)
⏱️ Timing
Total: 1476ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.121.119 |
| NS | 2 | dns01.gmoserver.jp, dns02.gmoserver.jp |
| MX | 1 | mx.semco.co.jp (pri: 10) |
| TXT | 3 | v=spf1 include:spf.gmoserver.jp ~all, MS=ms87574762... |
| SOA | 1 | dns01.gmoserver.jp hostmaster.semco.co.j |
Analysis
Hierarchy
semco.co.jp is the parent domain of mx.semco.co.jp and smtp.semco.co.jp.
IP Addresses
semco.co.jp points to a single IP number: 162.43.121.119.
Additional host names — id-id.jp, es-network.org, web1.co.jp and two others — share IP numbers with semco.co.jp.
Name Servers
semco.co.jp is served by two delegated name servers, dns01.gmoserver.jp and dns02.gmoserver.jp.
semco.co.jp shares its name server setup with other domains, including inatora.jp, shin-sekkei.com, kistusako.com and two others.
semco.co.jp shares at least some of its name servers with other domains, such as housing-ai.co.jp and takewa.jp.
dns01.gmoserver.jp and dns02.gmoserver.jp each resolve to one IP number: dns01.gmoserver.jp points to 157.7.33.81 and dns02.gmoserver.jp points to 157.7.34.81.
Mail Servers
semco.co.jp has one mail server: mx.semco.co.jp.
There is one IP number for mx.semco.co.jp: 160.251.229.91.