osouji-school.jp - robtex.com
osouji-school.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.235.65🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3355.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | osouji-school.jp ⭐ | ||||||
| A | 49.212.235.65🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3355.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3355.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-12-27 #1 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1774435502 | ||||||
MX for
osouji-school.jp |
Subdomains
www.osouji-school.jp |
Same first word
osouji-school.com |
osouji-school.jp |
DNS History
9 records (5 active, 4 former)
●NSmaster.dns.ne.jp2026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 17:48:26
● 2026-03-25 11:07:24
○NSns.namedserver.net2015-06-06 → 2017-02-16 · 4 obs
● 2017-02-16 07:36:58
○ 2026-03-11 17:48:26
○ 2026-03-25 11:07:24
●NSns1.dns.ne.jp2026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 17:48:26
● 2026-03-25 11:07:24
●NSns2.dns.ne.jp2026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 17:48:26
● 2026-03-25 11:07:24
○NSns2.namedserver.net2015-06-06 → 2017-02-16 · 4 obs
● 2017-02-16 07:36:58
○ 2026-03-11 17:48:26
○ 2026-03-25 11:07:24
○MXmx.osouji-school.jp2015-06-06 → 2017-02-16 · 4 obs
● 2017-02-16 07:36:58
○ 2026-03-11 17:48:26
○ 2026-03-25 11:07:24
●MXosouji-school.jp2026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 17:48:26
● 2026-03-25 11:07:24
○A211.13.196.1312015-06-06 → 2017-02-16 · 4 obs
● 2017-02-16 07:36:58
○ 2026-03-11 17:48:26
○ 2026-03-25 11:07:24
●A49.212.235.652026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 17:48:26
● 2026-03-25 11:07:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| osouji-school.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for osouji-school.jp (unsigned zone)
⏱️ Timing
Total: 1639ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.65 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | osouji-school.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3355.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
Hierarchy
osouji-school.jp is parent of www.osouji-school.jp.
Mail Server Role
osouji-school.jp serves as a mail server for osouji-school.jp.
IP Addresses
osouji-school.jp points to a single IP: 49.212.235.65.
Other host names, for instance www3355.sakura.ne.jp, hasunumambsp.sakura.ne.jp, sun-shine.jp, it-com.co.jp and mail.kumworks.com share IP numbers with osouji-school.jp.
Name Servers
osouji-school.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
osouji-school.jp at least partially shares its name servers with other domains, for instance heart-b.com, sojitzautomotive.sakura.ne.jp, aquast.net, seiwa-homes.sakura.ne.jp and hirashima.info.
These name servers are often used together with the name servers dns.sakura.ad.jp.
Host names with one IP number:
master.dns.ne.jp points to: 210.224.172.18.
ns1.dns.ne.jp points to: 61.211.236.1.
ns2.dns.ne.jp points to: 133.167.21.1.
Mail Servers
osouji-school.jp is handled by a single mail server.
osouji-school.jp points to IP number 49.212.235.65.