math-note.xyz - robtex.com
math-note.xyz
xyz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | generationxyz.nic.xyz | ||||||
| NS | x.nic.xyz | ||||||
| NS | y.nic.xyz | ||||||
| NS | z.nic.xyz | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=3000856316 | ||||||
MX for
math-note.xyz |
Same first word
math-note.xyz |
Similar names
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2018-01-21 → 2026-08-07 · 2 obs
● 2026-08-07 05:02:30
●NSns2.xserver.jp2018-01-21 → 2026-08-07 · 2 obs
● 2026-08-07 05:02:30
●NSns3.xserver.jp2018-01-21 → 2026-08-07 · 2 obs
● 2026-08-07 05:02:30
●NSns4.xserver.jp2018-01-21 → 2026-08-07 · 2 obs
● 2026-08-07 05:02:30
●NSns5.xserver.jp2018-01-21 → 2026-08-07 · 2 obs
● 2026-08-07 05:02:30
●MXmath-note.xyz2018-01-21 → 2026-08-07 · 2 obs
● 2026-08-07 05:02:30
●A162.43.120.72026-04-08 → 2026-08-07 · 3 obs
● 2026-04-08 23:55:50
● 2026-08-07 05:02:30
○A202.254.234.1442018-01-21 → 2018-01-21 · 3 obs
○ 2026-04-08 23:55:50
○ 2026-08-07 05:02:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| xyz | x.nic.xyz, y.nic.xyz, z.nic.xyz, generationxyz.nic.xyz | 8 records |
| math-note.xyz | ns1.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp... | - |
✅ Authoritative Response
Server:35.72.43.26
NS records: ns1.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns2.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for math-note.xyz (unsigned zone)
⏱️ Timing
Total: 1594ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.120.7 |
| NS | 5 | ns2.xserver.jp, ns3.xserver.jp... |
| MX | 1 | math-note.xyz (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14006.xserver.jp +a:math-not |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (x.nic.xyz, y.nic.xyz, z.nic.xyz...)
Analysis
Mail Server Role
math-note.xyz handles its own mail, functioning as its own mail server.
IP Addresses
math-note.xyz resolves to just one IP address, 162.43.120.7.
Two other host names, along with mail.quarter-tone.com, xn--lckua6sv80lutf.com and tokyu-sumaitokurashi.com, also share IP numbers with math-note.xyz.
Name Servers
math-note.xyz delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
The name servers of math-note.xyz overlap at least partially with those of other domains — among them cleice.com, pal-network.co.jp, sakezake.com and two more.
These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that map to three IP numbers:
ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names that point to one IP address:
ns2.xserver.jp directs to 35.72.43.26.
ns3.xserver.jp directs to 202.226.36.247.
Mail Servers
math-note.xyz is served by just one mail server: math-note.xyz.
math-note.xyz has exactly one IP number: 162.43.120.7.