reactool.jp - dns.ninja
reactool.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.167.108.87🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | os3-384-25083.vs.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 | reactool.sakura.ne.jp ⭐ | ||||||
| A | 133.167.8.168🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | www5228.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www5228.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2022-11-24 #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=1781117103 | ||||||
Subdomains
test-panel.reactool.jp |
Same first word
reactool.jp |
reactool.sakura.ne.jp |
Similar names
DNS History
5 records (5 active, 0 former)
●MXreactool.sakura.ne.jp2026-02-15 → 2026-06-10 · 2 obs
● 2026-06-10 19:47:58
●A133.167.108.872026-02-15 → 2026-06-10 · 2 obs
● 2026-06-10 19:47:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| reactool.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for reactool.jp (unsigned zone)
⏱️ Timing
Total: 943ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.108.87 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | reactool.sakura.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www5228.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Hierarchy
reactool.jp is the parent zone for test-panel.reactool.jp.
IP Addresses
reactool.jp resolves to one IP address: 133.167.108.87.
Other host names share IP numbers with reactool.jp; os3-384-25083.vs.sakura.ne.jp is one such example.
Name Servers
Three name servers are authoritative for reactool.jp: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
reactool.jp partially shares its NS delegation with several other domains, including yamcha.jp, mottra.sakura.ne.jp, uqo.jp and two others.
Three hostnames, one IP address apiece: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
Mail for reactool.jp is handled by a single mail server, reactool.sakura.ne.jp.
The mail server configuration of reactool.jp is identical to that of other domains — reactool.sakura.ne.jp being one example.
There is one IP number for reactool.sakura.ne.jp: 133.167.8.168.