cm.edu.vn - robtex.com

cm.edu.vn

DNSSEC⚠️ Not signed
A112.213.89.38🇻🇳 SUPERDATA112.213.89.0/24 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
PTRns8938.dotvndns.vn
NSnsbak.dotvndns.com ⭐
A2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRnsbak.dotvndns.com
A112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 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
PTRns8922.dotvndns.vn
NSns1.dotvndns.vn
A2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns1.dotvndns.vn
A112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 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
PTRns1.dotvndns.vn
NSns2.dotvndns.vn
A2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns2.dotvndns.vn
A222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSns3.dotvndns.vn
A112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 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
PTRns8922.dotvndns.vn
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A142.250.101.26🇺🇸 Google142.250.101.0/24
PTRdz-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
MXcm-edu-vn.mail.protection.outlook.com(10)
A2a01:111:f403:cc09::🇸🇬 Microsoft2a01:111:f000::/36
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A2a01:111:f403:cc1a::8🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tydpr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc1f::4🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os8pr02cu00104.inbound.protection.outlook.com
A52.101.124.117🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tydpr03cu00105.inbound.protection.outlook.com
A52.101.137.0🇸🇬 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A52.101.157.80🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os8pr02cu00100.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTv=spf1 include:_spf.google.com ~all
TXTMS=ms36596821
TXTgoogle-site-verification=1ItZKBkOoYyYyWWnfzq0xJvCYuH-s0E-el_GnVdzkVA
SOAnsbak.dotvndns.comhostmaster@cm.edu.vn 2025-08-02 #19

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=2018564641

Subdomains

www.cm.edu.vn

Same first word

cm.email
cm.to
cm.uk
cm.codes
cm.net.tw
cm.org.uk
cm.agency
cm.net
cm.games
cm.gy
cm.lt
cm.gov.cy
cm.nu
cm.mk
cm.com.ua
cm.edu
cm.fit
cm.ua
cm.eti.br
cm.org
cm.gov.nc.tr
cm.ro
cm.lol
cm.km.ua
cm.id.au
cm.uz
cm.ru
cm.co.kr
cm.wtf
cm.cm
cm.vg
cm.nl
cm.co.za
cm.tv
cm.no
cm.lv
cm.ht
cm.fyi
cm.gl
cm.co.at
cm.edu.ph
cm.kg
cm.dk
cm
cm.su
cm.hu
cm.ws
cm.com.sa
cm.gov.sa
cm.net.id
cm.sg
cm.si
cm.cc
cm.expert
cm.cx
cm.co
cm.gov.py
cm.edu.vn
cm.edgesuite.net
cm.marketing
cm.design
cm.dev
cm.org.au
cm.ee
cm.cz
cm.im
cm.co.nz
cm.ca
cm.support
cm.net.tr
cm.adv.br
cm.photography
cm.pe
cm.io
cm.vc
cm.cr
cm.church
cm.com
cm.edu.kg
cm.studio
cm.law.za
cm.jo
cm.cn
cm.se
cm.by
cm.uy
cm.in.th
cm.com.mx
cm.capital
cm.au
cm.rs
cm.edu.gt
cm.cpa
cm.center
cm.sa
cm.pt
cm.be
cm.vip
cm.co.mz
cm.com.my
cm.my
cm.kz
cm.de
cm.live
cm.sh
cm.ph

Similar names

mc.awsapps.com
mc.exchange
mc.co
mc.cc.md.us
mc.ac.th
mc.com.ua
mc.com.cn
mc.land
mc.me
mc.net
mc.md
mc.com.pk
mc.ht
mc.org.mx
mc.my
mc.gov.pl
mc.academy
mc.ws
mc.agency
mc.vg
mc.creditunion
mc.com.pl
mc.photos
mc.today
mc.cm
mc.com.mx
mc.church
mc.dk
mc.com.au
mc.net.co
mc.lviv.ua
mc.pp.se
mc.gov.sa
mc.com
mc.company
mc.pt
mc.sa
mc.ai
mc.systems
mc.net.cn
mc.gov.sg
mc.co.zw
mc.tc
mc.co.nz
mc.com.vn
mc.hi.cn
mc.ind.br
mc.gov.pt
mc.mil
mc.sg
mc.com.my
mc.gg
mc.nu
mc.fyi
mc.ma
mc.mk
mc.org
mc.cv.ua
mc.arq.br
mc.inf.br
mc.net.nz
mc.co.za
mc.gov.jo

DNS History

11 records (11 active, 0 former)

NSns1.dotvndns.vnns2.dotvndns.vnns3.dotvndns.vnnsbak.dotvndns.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comcm-edu-vn.mail.protection.outlook.comA112.213.89.38
●NSns1.dotvndns.vn2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14
●NSns2.dotvndns.vn2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14
●NSns3.dotvndns.vn2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14
●NSnsbak.dotvndns.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14
●MXalt1.aspmx.l.google.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14
●MXalt2.aspmx.l.google.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14
●MXalt3.aspmx.l.google.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14
●MXalt4.aspmx.l.google.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14
●MXaspmx.l.google.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14
●MXcm-edu-vn.mail.protection.outlook.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14
●A112.213.89.382026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 12:36:56
● 2026-05-09 16:28:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
cm.edu.vnnsbak.dotvndns.com, ns2.dotvndns.vn, ns1.dotvndns.vn, ns3.dotvndns.vn-

✅ Authoritative Response

Server:2406:9c80::9000:111

NS records: nsbak.dotvndns.com, ns2.dotvndns.vn, ns1.dotvndns.vn, ns3.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 4165ms | Queries: -

📄 Records

TypeCountSample Data
A1112.213.89.38
NS4ns3.dotvndns.vn, nsbak.dotvndns.com...
MX6cm-edu-vn.mail.protection.outlook.com (p, alt2.aspmx.l.google.com (pri: 5)...
TXT4v=spf1 include:spf.protection.outlook.co, google-site-verification=1ItZKBkOoYyYyWW...
SOA1nsbak.dotvndns.com hostmaster.cm.edu.vn

Analysis

Hierarchy

cm.edu.vn is the parent of www.cm.edu.vn.

IP Addresses

cm.edu.vn points to IP number 112.213.89.38.

For instance, other host names www.luxcity.vn, pavietnam.biz, sonalkyd.com, mail.thucphamsachhangngay.com and www.banme.com share IP numbers with cm.edu.vn.

Name Servers

cm.edu.vn is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

cm.edu.vn shares name servers with other domains at least partially, for example nhietvietnam.com.vn, paradisecangio.info, indongnam.com.vn, linhngangas.vn and has.edu.vn.

These name servers are commonly used with ns1.pavietnam.vn, ns2.pavietnam.vn and nsbak.pavietnam.net.

Host names with two IP numbers

The host name nsbak.dotvndns.com points to: 2406:9c80::9000:302 and 112.213.89.22

The host name ns1.dotvndns.vn points to: 2406:9c80::66 and 112.213.89.3

The host name ns2.dotvndns.vn points to: 2406:9c80::9000:111 and 222.255.121.247

Host names with one IP number

The host name ns3.dotvndns.vn points to: 112.213.89.22

Host names that point to 112.213.89.22: nsbak.dotvndns.com and ns3.dotvndns.vn

Mail Servers

cm.edu.vn is handled by six mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and cm-edu-vn.mail.protection.outlook.com.

cm.edu.vn shares mail servers with other domains at least partially; for instance ns500758.ns500698.ns500698.ns500758.ns500736.ns500698.ns500735.ns500736.ns500576.ns500698.ns500698.ns500576.ns500698.ns500698.ns500576.ns500619.ns500619.trackreceptor.com, thebritishschoolcali.edu.co, misionmas.org, ns500698.ns500759.ns500698.ns500758.ns500735.ns500735.ns500698.ns500735.ns500698.ns500735.ns500735.ns500576.ns500708.ns500576.ns500619.ns500576.ns500576.trackreceptor.com and wcfm.com.au.

these mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with six IPs:

cm-edu-vn.mail.protection.outlook.com points to: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

Host names with two IPs:

aspmx.l.google.com points to: 2607:f8b0:4023:c0d::1b and 142.250.101.26.

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27.

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1a and 172.253.145.27.

alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1a and 192.178.223.26.

alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.27.