hetech.vn - robtex.com

hetech.vn

DNSSEC⚠️ Not signed
A103.75.187.18🇻🇳 VNPT-AS-VN103.75.184.0/22 Inet software one member company limited INETSOFT-VN
NSns-master.inet.vn
A202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN
NSns1.inet.vn
A2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited
A202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN
NSns2.inet.vn
A2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN
A210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object
NSns3.inet.vn
A2401:5f80:4001:4::14🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN
A203.113.174.42🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN
MXmx.inet.vn
A103.72.96.6🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN
PTRmailer-smtp-in.onemail.vn
A103.72.96.8🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN
PTRmailer-smtp-in01.onemail.vn
A103.72.96.9🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN
PTRmailer-smtp-in02.onemail.vn
A103.216.116.158🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN
PTRmailgw.inet.vn
TXTgoogle-site-verification=tR-xstlKMjFSurnXCu95S8Z62Gb8I0vya6k4BdHrEJQ
TXTv=spf1 a mx include:_spf.inet.vn ~all
SOAns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0

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=2031074639
⚠️ On DNS blocklist: tif

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSns-master.inet.vnns1.inet.vnns2.inet.vnns3.inet.vnMXmx.inet.vnA103.75.187.18
NSns-master.inet.vn2026-07-28 → 2026-08-05 · 2 obs
● 2026-07-28 06:53:56
● 2026-08-05 04:26:16
NSns1.inet.vn2026-07-28 → 2026-08-05 · 2 obs
● 2026-07-28 06:53:56
● 2026-08-05 04:26:16
NSns2.inet.vn2026-07-28 → 2026-08-05 · 2 obs
● 2026-07-28 06:53:56
● 2026-08-05 04:26:16
NSns3.inet.vn2026-07-28 → 2026-08-05 · 2 obs
● 2026-07-28 06:53:56
● 2026-08-05 04:26:16
MXmx.inet.vn2026-07-28 → 2026-08-05 · 2 obs
● 2026-07-28 06:53:56
● 2026-08-05 04:26:16
A103.75.187.182026-07-28 → 2026-08-05 · 2 obs
● 2026-07-28 06:53:56
● 2026-08-05 04:26:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...16 records
hetech.vnns2.inet.vn, ns1.inet.vn, ns3.inet.vn3 records

✅ Authoritative Response

Server:202.92.4.253

NS records: ns2.inet.vn, ns1.inet.vn, ns3.inet.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hetech.vn (unsigned zone)

⏱️ Timing

Total: 4310ms | Queries: -

📄 Records

TypeCountSample Data
A1103.75.187.18
NS3ns3.inet.vn, ns1.inet.vn...
MX1mx.inet.vn (pri: 10)
TXT2v=spf1 a mx include:_spf.inet.vn ~all, google-site-verification=tR-xstlKMjFSurn
SOA1ns-master.inet.vn postmaster.inet.vn

📌 Glue Records Collected

Total: 19

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

Out-of-bailiwick: 3 (ns3.inet.vn, ns2.inet.vn, ns1.inet.vn)

Analysis

IP Addresses

hetech.vn points to a single IP number: 103.75.187.18.

Additional host names — autodiscover.daykemtainang.edu.vn, next-tech.com.vn, daykemphanthiet.edu.vn and two others — share IP numbers with hetech.vn.

Name Servers

hetech.vn has four authoritative name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.

hetech.vn has at least partial name server overlap with other domains, such as envangsinhvien.edu.vn, vinhome.com.vn, xeluottoantrung.com and two others.

Host names with two IP numbers:

ns1.inet.vn has two IP addresses: 202.92.4.25 and 2001:df7:ce00:1::7.

ns2.inet.vn has two IP addresses: 210.211.99.38 and 2401:5f80:2001:4::30.

ns3.inet.vn has two IP addresses: 203.113.174.42 and 2401:5f80:4001:4::14.

Host names pointing to a single IP address:

ns-master.inet.vn directs to 202.92.4.8.

Mail Servers

hetech.vn has one mail server: mx.inet.vn.

hetech.vn shares the same mail server setup as other domains, including vitimen.vn, tektra.vn, hoangphucvn.com and two others.

hetech.vn shares mail servers — at least in part — with other domains, including daihoconline.edu.vn, mrich.vn, twinkle.com.vn and two others.

mx.inet.vn resolves to four IP addresses: 103.72.96.6, 103.72.96.8, 103.72.96.9 and 103.216.116.158.