mail.oak.vn - robtex.com

mail.oak.vn

DNSSEC⚠️ Not signed
A103.221.223.57🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN

oak.vn

DNSSEC⚠️ Not signed
A103.221.223.57🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN
NSns-b3.tenten.vn ⭐
NSns-b1.tenten.vn
NSns-b2.tenten.vn
MXmail.oak.vn ⭐
TXTv=spf1mxaip4:103.221.223.57~all
SOAns-b3.tenten.vnnoreply@tenten.vn serial=1727423336

MX for

oak.vn

Same first word

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DNS History

1 record (1 active, 0 former)

A103.221.223.57
●A103.221.223.572026-02-26 → 2026-05-14 · 2 obs
● 2026-02-26 22:57:16
● 2026-05-14 17:13:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnd.dns-servers.vn, e.dns-servers.vn, a.dns-servers.vn, g.dns-servers.vn...16 records
oak.vnns-b2.tenten.vn, ns-b1.tenten.vn, ns-b3.tenten.vn-

✅ Authoritative Response

Server:163.44.207.21

NS records: ns-b2.tenten.vn, ns-b1.tenten.vn, ns-b3.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oak.vn (unsigned zone)

⏱️ Timing

Total: 2902ms | Queries: -

📄 Records

TypeCountSample Data
A1103.221.223.57

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn...)

Analysis

Mail Server Role

The mail server for oak.vn is mail.oak.vn.

IP Addresses

mail.oak.vn points to a single IP number: 103.221.223.57.

Other host names, for instance esim-api.phatloctt.com.vn, www.edufine.vn, phatloctt.com.vn, doquangautomation.com and sos.edu.vn share IP numbers with mail.oak.vn.