o2n.vn - robtex.com

o2n.vn

DNSSEC⚠️ Not signed
A103.152.165.165🇻🇳 EZTECH-VN103.152.165.0/24 ZHOST-VN
NSns1.matbao.vn ⭐
A13.250.228.99🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix
PTRec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com
A103.110.128.60🇻🇳 AXYS-VN103.110.128.0/23
NSns2.matbao.vn
A35.198.203.127🇸🇬 Google35.198.192.0/20
PTR127.203.198.35.bc.googleusercontent.com
A103.138.89.11🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET
MXmail.o2n.vn ⭐
TXT v=spf1 2400:e920:0:3::26/128 mx ~all
SOAns1.matbao.vnadmin@matbao.com 2026-06-28 #16

vn

DNSSEC🔒 Signed (DS record present)
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn
NSb.dns-servers.vn
NSc.dns-servers.vn
NSd.dns-servers.vn
NSe.dns-servers.vn
NSf.dns-servers.vn
NSg.dns-servers.vn
NSh.dns-servers.vn
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2031013732

Subdomains

nafi6.o2n.vn
demo0625.o2n.vn
gk.o2n.vn

Same first word

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o2n.vn
o2n.biz
o2n.cn
o2n.it
o2n.fr
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o2n.com
o2n.jp
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o2n.ru

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DNS History

4 records (4 active, 0 former)

NSns1.matbao.vnns2.matbao.vnMXmail.o2n.vnA103.152.165.165
●NSns1.matbao.vn2026-05-30 → 2026-07-19 · 2 obs
● 2026-05-30 08:13:56
● 2026-07-19 16:00:42
●NSns2.matbao.vn2026-05-30 → 2026-07-19 · 2 obs
● 2026-05-30 08:13:56
● 2026-07-19 16:00:42
●MXmail.o2n.vn2026-05-30 → 2026-07-19 · 2 obs
● 2026-05-30 08:13:56
● 2026-07-19 16:00:42
●A103.152.165.1652026-05-30 → 2026-07-19 · 2 obs
● 2026-05-30 08:13:56
● 2026-07-19 16:00:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vng.dns-servers.vn, a.dns-servers.vn, c.dns-servers.vn, h.dns-servers.vn...-
o2n.vnns2.matbao.vn, ns1.matbao.vn2 records

✅ Authoritative Response

Server:103.138.89.11

NS records: ns2.matbao.vn, ns1.matbao.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for o2n.vn (unsigned zone)

⏱️ Timing

Total: 1021ms | Queries: -

📄 Records

TypeCountSample Data
A1103.152.165.165
NS2ns1.matbao.vn, ns2.matbao.vn
MX1mail.o2n.vn (pri: 10)
TXT1 v=spf1 2400:e920:0:3::26/128 mx ~all
SOA1ns1.matbao.vn admin.matbao.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.matbao.vn, ns2.matbao.vn)

Analysis

Hierarchy

o2n.vn sits above nafi6.o2n.vn, demo0625.o2n.vn and gk.o2n.vn in the domain hierarchy.

IP Addresses

o2n.vn points to a single IP number: 103.152.165.165.

Additional host names — siba.xmads.site, mail.muvn.net, duocsaigon.com.vn and two others — share IP numbers with o2n.vn.

Name Servers

o2n.vn is delegated to two name servers: ns1.matbao.vn and ns2.matbao.vn.

o2n.vn shares its name server setup with other domains, including dichvunauan.vn, heling.vn, idigit.vn and two others.

There is at least partial name server overlap between o2n.vn and other domains — textlink.vn, visunpack.com, sapatv.vn and two more among them.

These name servers are frequently paired with the name servers ns1.matbao.com, ns2.matbao.com, ns-bak.matbao.com and two others.

ns1.matbao.vn and ns2.matbao.vn each resolve to two IP addresses: ns1.matbao.vn points to 13.250.228.99 and 103.110.128.60, while ns2.matbao.vn points to 35.198.203.127 and 103.138.89.11.

Mail Servers

o2n.vn has one mail server: mail.o2n.vn.