ojsystem.com - dns.ninja
ojsystem.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.128.93🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www883.sakura.ne.jp | ||||||
| NS | dns01.muumuu-domain.com ⭐ | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| MX | mail.ojsystem.com ⭐ | ||||||
| A | 219.94.128.93🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www883.sakura.ne.jp | ||||||
| TXT | v=spf1 ip4:219.94.128.93 ~all | ||||||
| SOA | dns01.muumuu-domain.compostmaster@ojsystem.com serial=1736839102 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785877989 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSdns01.muumuu-domain.com2026-02-20 → 2026-08-04 · 3 obs
● 2026-02-20 05:15:24
● 2026-08-04 21:41:00
●NSdns02.muumuu-domain.com2026-02-20 → 2026-08-04 · 3 obs
● 2026-02-20 05:15:24
● 2026-08-04 21:41:00
○NSns.iins.biz2015-06-23 → 2016-12-02 · 4 obs
● 2016-12-02 23:21:06
○ 2026-02-20 05:15:24
○ 2026-08-04 21:41:00
○NSns1.intecnet.jp2015-06-23 → 2016-12-02 · 4 obs
● 2016-12-02 23:21:06
○ 2026-02-20 05:15:24
○ 2026-08-04 21:41:00
○MXcs1.intecnet.jp2015-06-23 → 2016-12-02 · 4 obs
● 2016-12-02 23:21:06
○ 2026-02-20 05:15:24
○ 2026-08-04 21:41:00
●MXmail.ojsystem.com2026-02-20 → 2026-08-04 · 3 obs
● 2026-02-20 05:15:24
● 2026-08-04 21:41:00
○A219.117.251.2022015-06-23 → 2016-12-02 · 4 obs
● 2016-12-02 23:21:06
○ 2026-02-20 05:15:24
○ 2026-08-04 21:41:00
●A219.94.128.932026-02-20 → 2026-08-04 · 3 obs
● 2026-02-20 05:15:24
● 2026-08-04 21:41:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ojsystem.com | dns01.muumuu-domain.com, dns02.muumuu-domain.com | 2 records |
✅ Authoritative Response
Server:202.239.23.39
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ojsystem.com (unsigned zone)
⏱️ Timing
Total: 397ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.128.93 |
| NS | 2 | dns02.muumuu-domain.com, dns01.muumuu-domain.com |
| MX | 1 | mail.ojsystem.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:219.94.128.93 ~all |
| SOA | 1 | dns01.muumuu-domain.com postmaster.ojsys |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)
Analysis
Hierarchy
ojsystem.com serves as the parent of www.ojsystem.com and mail.ojsystem.com.
IP Addresses
ojsystem.com has exactly one IP address — 219.94.128.93.
kukaku.org, genzuxi.net, bono.bona.jp plus two other host names have IP numbers in common with ojsystem.com.
Name Servers
The NS records for ojsystem.com delegate to dns01.muumuu-domain.com and dns02.muumuu-domain.com.
The name server configuration of ojsystem.com is shared with other domains, for instance kitchomi.com, jtee.jp, recro.jp and two others.
ojsystem.com partially shares its NS delegation with several other domains, including cozu.jp, cos-print.com, horiya.net and two others.
dns01.muumuu-domain.com resolves to 202.239.23.39. dns02.muumuu-domain.com resolves to 160.251.249.62. Both host names point to a single IP number.
Mail Servers
ojsystem.com uses one mail server — mail.ojsystem.com.
mail.ojsystem.com resolves to 219.94.128.93 and no other IP number.