devtool.jp - robtex.com
devtool.jp
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=1790158502 | ||||||
MX for
devtool.jp |
Same first word
Similar names
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-09-18 → 2026-09-23 · 2 obs
● 2026-09-23 10:48:00
●NSns2.xserver.jp2026-09-18 → 2026-09-23 · 2 obs
● 2026-09-23 10:48:00
●NSns3.xserver.jp2026-09-18 → 2026-09-23 · 2 obs
● 2026-09-23 10:48:00
●NSns4.xserver.jp2026-09-18 → 2026-09-23 · 2 obs
● 2026-09-23 10:48:00
●NSns5.xserver.jp2026-09-18 → 2026-09-23 · 2 obs
● 2026-09-23 10:48:00
●MXdevtool.jp2026-09-18 → 2026-09-23 · 2 obs
● 2026-09-23 10:48:00
●A103.141.96.32026-09-18 → 2026-09-23 · 2 obs
● 2026-09-23 10:48:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| devtool.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.36.164
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devtool.jp (unsigned zone)
⏱️ Timing
Total: 943ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.141.96.3 |
| NS | 5 | ns4.xserver.jp, ns3.xserver.jp... |
| MX | 1 | devtool.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv10642.xserver.jp +a:devtool. |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Mail Server Role
The MX record for devtool.jp points back to devtool.jp — it is its own mail server.
IP Addresses
devtool.jp directs to one IP number, which is 103.141.96.3.
Among the host names that share IP numbers with devtool.jp are satounicorn.com, happa-fun.com, nanashoku-app.com and two others.
Name Servers
The authoritative name servers for devtool.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
The name servers of devtool.jp overlap at least partially with those of other domains — among them valueupbrain1.com, emorislink.co.jp, toshi-investment.net and two more.
These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.
Hosts with three IP address records:
ns1.xserver.jp maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts that resolve to one IP address:
ns2.xserver.jp resolves to the IP address 35.72.43.26.
ns3.xserver.jp resolves to the IP address 202.226.36.247.
Mail Servers
The MX record for devtool.jp points to a single mail server: devtool.jp.
devtool.jp resolves to 103.141.96.3 and no other IP number.