www.techmaster.com.vn - robtex.com

www.techmaster.com.vn

DNSSEC⚠️ Not signed
A112.213.86.228🇻🇳 SUPERDATA112.213.86.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRmx86228.superdata.vn

techmaster.com.vn

DNSSEC⚠️ Not signed
A112.213.86.228🇻🇳 SUPERDATA112.213.86.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
NSns1.dotvndns.vn ⭐
NSns2.dotvndns.vn
NSnsbak.dotvndns.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTpinterest-site-verification=c5df8134a143c212b85be622a87c6da3
TXTv=spf1 a mx include:spf.maychuemail.com include:_spf.google.com include:serve...
TXTgoogle-site-verification=p9nLsYr6Rora0Co1iLWK-hmweRqG7xNJItFRVjZP8fI
TXTlinkedin-site-verification=a2f76f22-a40c-4b13-9904-26161c7652cb
TXTfacebook-domain-verification=ldlkxnoibi8lhxmggyhw14qvnynlp9
TXTgoogle-site-verification=_-rd6ttNnOl2QLQA_hpMTOtUzkJym0lx_RfuhR-XxRw
TXTgoogle-site-verification=6uB8j1Y1oZsRlQPWsXwRA33G3SxcoC-9PkOeUSmD41o
SOAns1.dotvndns.vnhostmaster@techmaster.com.vn 2026-04-24 #79

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DNS History

1 record (1 active, 0 former)

2020202120222023202420252026A112.213.86.228
●A112.213.86.2282019-12-19 → 2026-05-11 · 2 obs
● 2019-12-19 02:02:48
● 2026-05-11 09:37:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...16 records
techmaster.com.vnnsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn-

✅ Authoritative Response

Server:112.213.89.3

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techmaster.com.vn (unsigned zone)

⏱️ Timing

Total: 5664ms | Queries: -

📄 Records

TypeCountSample Data
A1112.213.86.228

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (a.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn...)

Analysis

IP Addresses

www.techmaster.com.vn points to IP number: 112.213.86.228.

Other host names such as www.thermalpacking.vn, thermalpacking.vn and techmaster.com.vn share IP numbers with www.techmaster.com.vn.