programming-school.tech - robtex.com
programming-school.tech
tech
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1791297837 | ||||||
MX for
programming-school.tech |
Same first word
programming-school.love |
programming-school.com |
programming-school.jp |
programming-school.blog |
programming-school.tech |
programming-school.net |
programming-school.work |
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-09-16 → 2026-10-06 · 2 obs
● 2026-10-06 14:51:14
●NSns2.xserver.jp2026-09-16 → 2026-10-06 · 2 obs
● 2026-10-06 14:51:14
●NSns3.xserver.jp2026-09-16 → 2026-10-06 · 2 obs
● 2026-10-06 14:51:14
●NSns4.xserver.jp2026-09-16 → 2026-10-06 · 2 obs
● 2026-10-06 14:51:14
●NSns5.xserver.jp2026-09-16 → 2026-10-06 · 2 obs
● 2026-10-06 14:51:14
●MXprogramming-school.tech2026-09-16 → 2026-10-06 · 2 obs
● 2026-10-06 14:51:14
●A202.226.37.452026-09-16 → 2026-10-06 · 2 obs
● 2026-10-06 14:51:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| programming-school.tech | ns1.xserver.jp, ns2.xserver.jp, ns4.xserver.jp, ns3.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.170
NS records: ns1.xserver.jp, ns2.xserver.jp, ns4.xserver.jp, ns3.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for programming-school.tech (unsigned zone)
⏱️ Timing
Total: 2379ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.37.45 |
| NS | 5 | ns5.xserver.jp, ns1.xserver.jp... |
| MX | 1 | programming-school.tech (pri: 0) |
| TXT | 1 | v=spf1 +a:sv84.xserver.jp +a:programming |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
The MX record for programming-school.tech points back to programming-school.tech — it is its own mail server.
IP Addresses
programming-school.tech directs to one IP number, which is 202.226.37.45.
Among the host names that share IP numbers with programming-school.tech are ssf07.com, fanciele.com, hyogo-taxi.com and two others.
Name Servers
The authoritative name servers for programming-school.tech are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
programming-school.tech partially shares its NS delegation with several other domains, including imamuranouen.net, retrofutureby900.com, aiosangyo.com and two others.
These name servers are regularly seen alongside ns4.xserver.jp and ns5.xserver.jp as name servers.
Hosts with three IP address records:
ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to 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 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
The MX record for programming-school.tech points to a single mail server: programming-school.tech.
programming-school.tech points to one IP number — 202.226.37.45.