tcode-school.com - robtex.com
tcode-school.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1794361791 | ||||||
MX for
tcode-school.com |
Same first word
tcode-school.com |
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-09-07 → 2026-11-11 · 2 obs
● 2026-11-11 02:07:38
●NSns2.xserver.jp2026-09-07 → 2026-11-11 · 2 obs
● 2026-11-11 02:07:38
●NSns3.xserver.jp2026-09-07 → 2026-11-11 · 2 obs
● 2026-11-11 02:07:38
●NSns4.xserver.jp2026-09-07 → 2026-11-11 · 2 obs
● 2026-11-11 02:07:38
●NSns5.xserver.jp2026-09-07 → 2026-11-11 · 2 obs
● 2026-11-11 02:07:38
●MXtcode-school.com2026-09-07 → 2026-11-11 · 4 obs
○ 2026-09-21 10:51:04
● 2026-09-23 21:46:24
● 2026-11-11 02:07:38
●A120.136.14.192026-09-07 → 2026-11-11 · 4 obs
○ 2026-09-21 10:51:04
● 2026-09-23 21:46:24
● 2026-11-11 02:07:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| tcode-school.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.170
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 tcode-school.com (unsigned zone)
⏱️ Timing
Total: 2579ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 120.136.14.19 |
| NS | 5 | ns4.xserver.jp, ns2.xserver.jp... |
| MX | 1 | tcode-school.com (pri: 0) |
| TXT | 3 | google-site-verification=LxOunZeaoJeKf17, v=spf1 +a:sv718.xserver.jp +a:tcode-scho... |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
tcode-school.com acts as its own mail server.
IP Addresses
tcode-school.com points to a single IP number: 120.136.14.19.
Additional host names — jaaaa.jp, leaf358.com, pain-doctor.net and two others — share IP numbers with tcode-school.com.
Name Servers
Delegation for tcode-school.com is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
tcode-school.com shares at least some of its name servers with other domains, including satoyama-resin.co.jp, stella-della-sera.com, furukien.com and two others.
These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.
Host names with three IP numbers:
ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names pointing to a single IP address:
ns2.xserver.jp points to the IP address 35.72.43.26.
ns3.xserver.jp points to the IP address 202.226.36.247.
Mail Servers
tcode-school.com has a single mail server: tcode-school.com itself.
There is one IP number for tcode-school.com: 120.136.14.19.