system-use.co.jp - robtex.com
system-use.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.51🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | system-use.co.jp ⭐ | ||||||
| A | 153.122.205.51🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| A | 210.139.255.1🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| A | 210.139.255.17🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss11.so-net.ne.jp | ||||||
| MX | mx.system-use.co.jp ⭐ | ||||||
| A | 153.122.206.94🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| TXT | v=spf1 include:_spf.shared-server.net +mx ~all | ||||||
| SOA | system-use.co.jphostmaster@system-use.co.jp serial=2604011020 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
NS for
system-use.co.jp |
Previously MX for
system-use.co.jp |
Subdomains
mx.system-use.co.jp |
Same first word
system-use.co.jp |
Similar names
DNS History
10 records (5 active, 5 former)
●NSdnss10.so-net.ne.jp2008-11-25 → 2026-05-15 · 2 obs
● 2026-05-15 06:34:08
●NSdnss11.so-net.ne.jp2008-11-25 → 2026-05-15 · 2 obs
● 2026-05-15 06:34:08
●NSsystem-use.co.jp2015-05-30 → 2026-05-15 · 3 obs
● 2015-05-30 22:12:42
● 2026-05-15 06:34:08
●MXmx.system-use.co.jp2015-10-27 → 2026-05-15 · 3 obs
● 2015-10-27 20:04:00
● 2026-05-15 06:34:08
○MXsystem-use.co.jp2015-05-30 → 2015-05-30 · 4 obs
● 2015-05-30 22:12:42
○ 2015-10-27 20:04:00
○ 2026-05-15 06:34:08
○MXvds115.so-net.ne.jp2008-11-25 → 2008-11-25 · 3 obs
○ 2015-05-30 22:12:42
○ 2026-05-15 06:34:08
○A111.68.189.2442015-05-30 → 2015-05-30 · 4 obs
● 2015-05-30 22:12:42
○ 2015-10-27 20:04:00
○ 2026-05-15 06:34:08
●A153.122.205.512026-05-09 → 2026-05-15 · 3 obs
● 2026-05-09 12:45:56
● 2026-05-15 06:34:08
○A202.213.228.392008-11-25 → 2008-11-25 · 3 obs
○ 2015-05-30 22:12:42
○ 2026-05-15 06:34:08
○A211.13.196.1592015-10-27 → 2020-02-11 · 5 obs
● 2015-10-27 20:04:00
● 2020-02-11 22:18:26
○ 2026-05-09 12:45:56
○ 2026-05-15 06:34:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| system-use.co.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 system-use.co.jp (unsigned zone)
⏱️ Timing
Total: 1940ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.51 |
| NS | 2 | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp |
| MX | 1 | mx.system-use.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net +m |
| SOA | 1 | system-use.co.jp hostmaster.system-use.c |
Analysis
Hierarchy
The parent of mx.system-use.co.jp is system-use.co.jp.
Name Server Role
system-use.co.jp acts as a name server for system-use.co.jp.
dnss10.so-net.ne.jp and dnss11.so-net.ne.jp are commonly used as name servers alongside system-use.co.jp.
IP Addresses
system-use.co.jp points to a single IP address: 153.122.205.51.
Other host names such as justsap-me.org, kinkaen.jp, pam-system.com, nissho.biz and kaze-ltd.co.jp share IPs with system-use.co.jp.
Name Servers
system-use.co.jp is delegated to three name servers: system-use.co.jp, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
system-use.co.jp at least partially shares name servers with other domains, for example pla-part.co.jp, inoue-cpta.com, mutsuura.co.jp, hozumi-tsushin.jp and kato-and-company.co.jp.
Host names with a single IP address:
system-use.co.jp resolves to 153.122.205.51.
dnss10.so-net.ne.jp resolves to 210.139.255.1.
dnss11.so-net.ne.jp resolves to 210.139.255.17.
Mail Servers
The mx.system-use.co.jp mail server handles system-use.co.jp.
mx.system-use.co.jp points to a single IP number: 153.122.206.94.