adh.edu.vn - robtex.com

adh.edu.vn

DNSSEC⚠️ Not signed
NSns1.zonedns.vn ⭐
A2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix
A64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix
PTRns1.zonedns.vn
NSns2.zonedns.vn
A2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix
A103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN
NSns3.zonedns.vn
A2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN
A103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN
NSns4.zonedns.vn
A2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN
A103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN
MXsmtp.google.com ⭐
A2607:f8b0:4004:c1b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A2607:f8b0:4004:c1b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A2607:f8b0:4004:c1d::1a🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f26.1e100.net
A2607:f8b0:4004:c1d::1b🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f27.1e100.net
A142.251.163.26🇺🇸 Google142.251.163.0/24
PTRwv-in-f26.1e100.net
A142.251.163.27🇺🇸 Google142.251.163.0/24
PTRwv-in-f27.1e100.net
A142.251.167.26🇺🇸 Google142.251.167.0/24
PTRww-in-f26.1e100.net
A142.251.167.27🇺🇸 Google142.251.167.0/24
PTRww-in-f27.1e100.net
A192.178.155.27🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
TXTgoogle-site-verification=5aneCFfrE2vTxF8SDDg5JcBbu819j0mj5qZPZx9HWls
SOAns1.zonedns.vnroot@adh.edu.vn 2026-06-05 #5

edu.vn

DNSSEC⚠️ Not signed
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn ⚠️ Not in parent delegation
NSb.dns-servers.vn ⚠️ Not in parent delegation
NSc.dns-servers.vn ⚠️ Not in parent delegation
NSd.dns-servers.vn ⚠️ Not in parent delegation
NSe.dns-servers.vn ⚠️ Not in parent delegation
NSf.dns-servers.vn ⚠️ Not in parent delegation
NSg.dns-servers.vn ⚠️ Not in parent delegation
NSh.dns-servers.vn ⚠️ Not in parent delegation
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2018577595

Same first word

adh.eu.com
adh.co.at
adh.com.mt
adh.hu
adh.ag
adh.dk
adh.es
adh.edu.vn
adh.tv
adh.immo
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adh.club
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adh.co.in
adh.org.au
adh.canva-apps.cn
adh.us
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adh.de
adh.one
adh.gmbh
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adh.tech
adh.com
adh.ca
adh.it
adh.co.uk
adh.in

Similar names

dah.io
hda.info
dah.co.za
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dah.com.au
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had.hu
dha.no
had.it
ahd.gmbh
dha.vn
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hda.net
had.my
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dha.gov.za
hda.co.kr
had.im
dah.com.tr
ahd.sk
dha.org
dah.in
ahd.org.cn
ahd.nl
dha.info
dah.com.vn
dah.cn
had.archi
had.info
hda.ru
hda.email
hda.gov.in
dha.ru
dah.kr
hda.org.uk
dha.cz
had.net
had.co
dha.fr
ahd.be
hda.co.uk
dha.ee
dah.dk
hda.or.kr
dha.jp
ahd.today
hda.us
dha.gov.au
had.ae
ahd.com
ahd.sg
dha.net
dah.te.ua
dah.jp
had.sa
ahd.pl
dha.go.ke
dah.org
hda.hu
dah.gov.vn
had.land
ahd.news
dha.city
dah.cz
ahd.com.ua
hda.ch
hda.de
dha.biz
had.sh
ahd.so
ahd.net.vn
hda.zone
dah.com.ua
ahd.ca
dha.co.th
hda.edu.vn
dha.asia
dha.am
ahd.tj
had.in
dha.mil
dah.ch
hda.co.nz
dah.pl
dha.org.uk
ahd.com.au
had.es
dha.net.nz
hda.nl
ahd.co
dah.in.ua
dah.builders
dah.kh.ua
hda.com.cy
ahd.org.tw
had.kr
had.me
dah.com
dha.de
had.ir
ahd.it
hda.es
hda.or.jp
dah.lutsk.ua
dah.co
had.ru
dha.co.nz
dah.at
dah.net
dah.es
dah.info
dha.gov.ae
had.tf
dha.company
dha.com.au
dha.hk
dha.berlin
had.us
ahd.ro
had.cn
dha.at
dah.guru
had.yt
dha.com
ahd.dk
hda.cz
ahd.tw
ahd.com.tr
had.at
had.by
ahd.com.uy
dha.ca
dha.ac.cn
had.com
ahd.com.ye
ahd.fr
had.ca

DNS History

9 records (5 active, 4 former)

202120222023202420252026NSns1.zonedns.vnns2.zonedns.vnns3.zonedns.vnns4.zonedns.vnns1.dotvndns.vnns2.dotvndns.vnnsbak.dotvndns.comMXsmtp.google.comA183.91.14.168
○NSns1.dotvndns.vn2020-04-14 → 2020-04-14 · 3 obs
● 2020-04-14 11:01:14
○ 2026-02-22 08:15:44
○ 2026-07-04 07:35:32
●NSns1.zonedns.vn2026-07-03 → 2026-07-04 · 3 obs
○ 2026-02-22 08:15:44
● 2026-07-03 20:08:26
● 2026-07-04 07:35:32
○NSns2.dotvndns.vn2020-04-14 → 2020-04-14 · 3 obs
● 2020-04-14 11:01:14
○ 2026-02-22 08:15:44
○ 2026-07-04 07:35:32
●NSns2.zonedns.vn2026-07-03 → 2026-07-04 · 3 obs
○ 2026-02-22 08:15:44
● 2026-07-03 20:08:26
● 2026-07-04 07:35:32
●NSns3.zonedns.vn2026-07-03 → 2026-07-04 · 3 obs
○ 2026-02-22 08:15:44
● 2026-07-03 20:08:26
● 2026-07-04 07:35:32
●NSns4.zonedns.vn2026-07-03 → 2026-07-04 · 3 obs
○ 2026-02-22 08:15:44
● 2026-07-03 20:08:26
● 2026-07-04 07:35:32
○NSnsbak.dotvndns.com2020-04-14 → 2020-04-14 · 3 obs
● 2020-04-14 11:01:14
○ 2026-02-22 08:15:44
○ 2026-07-04 07:35:32
●MXsmtp.google.com2026-07-03 → 2026-07-04 · 2 obs
● 2026-07-03 20:08:26
● 2026-07-04 07:35:32
○A183.91.14.1682020-04-14 → 2020-04-14 · 3 obs
● 2020-04-14 11:01:14
○ 2026-02-22 08:15:44
○ 2026-07-04 07:35:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
adh.edu.vnns3.zonedns.vn, ns1.zonedns.vn, ns2.zonedns.vn, ns4.zonedns.vn-

✅ Authoritative Response

Server:103.28.39.159

NS records: ns3.zonedns.vn, ns1.zonedns.vn, ns2.zonedns.vn, ns4.zonedns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1851ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns3.zonedns.vn, ns1.zonedns.vn...
MX1smtp.google.com (pri: 1)
TXT1google-site-verification=5aneCFfrE2vTxF8
SOA1ns1.zonedns.vn root.adh.edu.vn

Analysis

Name Servers

adh.edu.vn has four authoritative name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.

adh.edu.vn shares at least some of its name servers with other domains, including lotusmarinevn.com, itasco.vn, hondaotophattien.com.vn and two others.

These name servers are frequently seen alongside the name servers ns2008.nhanhoa.com.vn, ns2009.nhanhoa.com.vn, ns2001.nhanhoa.com and ns2002.nhanhoa.com.

ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn each resolve to two IP addresses. ns1.zonedns.vn points to 64.176.84.220 and 2401:c080:1400:1cd4:5400:5ff:fe80:ec33. ns2.zonedns.vn points to 103.176.178.51 and 2401:c080:1400:1cd4:5400:5ff:fe80:ec33. ns3.zonedns.vn points to 103.28.36.30 and 2001:df1:3200::15. ns4.zonedns.vn points to 103.28.39.159 and 2001:df1:3200::15.

Both ns1.zonedns.vn and ns2.zonedns.vn resolve to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 IP addresses each.

Both ns3.zonedns.vn and ns4.zonedns.vn resolve to 2001:df1:3200::15 IP addresses each.

Mail Servers

adh.edu.vn has one mail server: smtp.google.com.

adh.edu.vn shares the same mail server setup as other domains, including rajasthanmarbles.com, adithyatech.edu.in, ng5.net and two others.

adh.edu.vn shares mail servers — at least in part — with other domains, including edvocator.com, osadha.com, elavia.eu and two others.

These mail servers are frequently used alongside the mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and aspmx.l.google.com, plus two others.

smtp.google.com points to 9 IP numbers: 142.251.163.26, 142.251.163.27, 142.251.167.26 and 6 other.