app.letstudy.edu.vn - robtex.com

app.letstudy.edu.vn

DNSSEC⚠️ Not signed
A123.30.129.229🇻🇳 VDC123.30.129.0/24 VNPT
PTRmail.hoangtamonline.com
PTRmissil.desucof.org
PTRmail.mintcosmetics.vn

letstudy.edu.vn

DNSSEC⚠️ Not signed
A123.30.129.229🇻🇳 VDC123.30.129.0/24 VNPT
NSns3.vinahost.vn ⭐ ⚠️ Not in zone NS records
NSns4.vinahost.vn ⚠️ Not in zone NS records
SOAns3.vinahost.vnhostmaster@vinahost.vn 2025-10-03 #2

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DNS History

1 record (1 active, 0 former)

A123.30.129.229
●A123.30.129.2292026-05-01 → 2026-05-09 · 5 obs
● 2026-05-01 00:19:48
● 2026-05-01 14:23:44
○ 2026-05-01 15:01:02
● 2026-05-01 15:49:32
● 2026-05-09 19:40:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnd.dns-servers.vn, a.dns-servers.vn, h.dns-servers.vn, g.dns-servers.vn...-
letstudy.edu.vnns3.vinahost.vn, ns4.vinahost.vn-

✅ Authoritative Response

Server:125.212.217.199

NS records: ns3.vinahost.vn, ns4.vinahost.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letstudy.edu.vn (unsigned zone)

⏱️ Timing

Total: 2409ms | Queries: -

📄 Records

TypeCountSample Data
A1123.30.129.229

Analysis

IP Addresses

app.letstudy.edu.vn points to a single IP address: 123.30.129.229.

Other host names such as doanson.n8ntool.io.vn, maplepham.click, n8n.letstudy.edu.vn, www.qhon.com.vn and 123farm.n8nsolutions.io.vn share IPs with app.letstudy.edu.vn.