tool.jp - dns.ninja
tool.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | b202.psi-japan.net ⭐ | ||||||
| A | 194.50.187.176🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24 | ||||||
| NS | b203.psi-japan.net | ||||||
| A | 194.0.182.179🇩🇪 RCODEZERO-ANYCAST-SEC2194.0.182.0/24 | ||||||
| NS | b204.psi-japan.net | ||||||
| A | 193.227.117.208🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24 | ||||||
| MX | mail.tool.co.jp ⭐ | ||||||
| A | 150.249.193.38🇯🇵 So-net150.249.0.0/16 Sony Network Communications Inc. | ||||||
| PTR | fs96f9c126.tkyc515.ap.nuro.jp | ||||||
| TXT | v=spf1 include:tool.co.jp ~all | ||||||
| SOA | b202.psi-japan.nethostmaster@tool.jp 2026-05-13 #0 | ||||||
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=1780535702 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSb202.psi-japan.net2016-12-26 → 2026-06-04 · 3 obs
● 2016-12-26 18:46:58
● 2026-06-04 01:25:42
●NSb203.psi-japan.net2016-12-26 → 2026-06-04 · 3 obs
● 2016-12-26 18:46:58
● 2026-06-04 01:25:42
●NSb204.psi-japan.net2016-12-26 → 2026-06-04 · 3 obs
● 2016-12-26 18:46:58
● 2026-06-04 01:25:42
○NSp75.atw.ne.jp2015-07-17 → 2016-05-03 · 4 obs
● 2016-05-03 17:53:24
○ 2016-12-26 18:46:58
○ 2026-06-04 01:25:42
○NSsv.tool.jp2015-07-17 → 2016-05-03 · 4 obs
● 2016-05-03 17:53:24
○ 2016-12-26 18:46:58
○ 2026-06-04 01:25:42
●MXmail.tool.co.jp2021-01-11 → 2026-06-04 · 3 obs
● 2021-01-11 02:29:16
● 2026-06-04 01:25:42
○MXsv.tool.jp2015-07-17 → 2017-09-11 · 4 obs
● 2017-09-11 00:22:30
○ 2021-01-11 02:29:16
○ 2026-06-04 01:25:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| tool.jp | b203.psi-japan.net, b202.psi-japan.net, b204.psi-japan.net | - |
✅ Authoritative Response
Server:193.227.117.208
NS records: b203.psi-japan.net, b202.psi-japan.net, b204.psi-japan.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tool.jp (unsigned zone)
⏱️ Timing
Total: 946ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | b204.psi-japan.net, b202.psi-japan.net... |
| MX | 1 | mail.tool.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:tool.co.jp ~all |
| SOA | 1 | b202.psi-japan.net hostmaster.tool.jp |
Analysis
Name Servers
tool.jp is delegated to three name servers: b202.psi-japan.net, b203.psi-japan.net and b204.psi-japan.net.
tool.jp partially shares its NS delegation with several other domains, including xcomglobal.co.jp, taiseihokan150.jp, happy-cl.jp and two others.
These name servers often co-occur with the name servers ns1.rrpproxy.net.
b202.psi-japan.net, b203.psi-japan.net and b204.psi-japan.net each resolve to a single IP address: b202.psi-japan.net resolves to 194.50.187.176, b203.psi-japan.net resolves to 194.0.182.179 and b204.psi-japan.net resolves to 193.227.117.208.
Mail Servers
Mail for tool.jp is handled by a single mail server, mail.tool.co.jp.
The mail server configuration of tool.jp is identical to that of other domains, for example tool.co.jp and tool-corp.com.
At least a portion of tool.jp's mail servers are also used by other domains, for example lavis.jp.
This set of mail servers commonly appears together with the mail servers spv3.tool.co.jp.
mail.tool.co.jp resolves to a single IP number: 150.249.193.38.