aoc.edu.vn - robtex.com

aoc.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:cece🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:328e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.50.142Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.206🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSathena.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a48🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRathena.ns.cloudflare.com
A2803:f800:50::6ca2:c048🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRathena.ns.cloudflare.com
A2a06:98c1:50::ac40:2048🇺🇸 Cloudflare2a06:98c1:50::/45
PTRathena.ns.cloudflare.com
A108.162.192.72🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRathena.ns.cloudflare.com
A172.64.32.72🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRathena.ns.cloudflare.com
A173.245.58.72🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRathena.ns.cloudflare.com
NSelmo.ns.cloudflare.com
A2606:4700:58::adf5:3ba3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
A2803:f800:50::6ca2:c1a3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelmo.ns.cloudflare.com
A2a06:98c1:50::ac40:21a3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelmo.ns.cloudflare.com
A108.162.193.163🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
A172.64.33.163🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
A173.245.59.163🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c23::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadrs-in-f26.1e100.net
A142.251.167.27🇺🇸 Google142.251.167.0/24
PTRww-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:4013:c1e::1a🇳🇱 Google2a00:1450:4013::/48
PTRyugrqzs-in-f26.1e100.net
A192.178.213.27🇺🇸 Google192.178.213.0/24
PTRyugrqzs-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4001:c21::1b🇩🇪 Google2a00:1450:4001::/48
PTRlcfrai-in-f27.1e100.net
A142.251.127.26🇺🇸 Google142.251.127.0/24
PTRlcfrai-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
TXTgoogle-site-verification=FyAfgROTFnZyzCrRa-89cjXxP3tdCeY_K44X2WJ6J2s
TXTgoogle-site-verification=VexD5UBY945vhCPEryJVVmOnNnoiNN02Evl14041BiA
TXTv=spf1 include:_spf.google.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.50.142, 172.67.206.206
IPv6 hints2606:4700:3031::ac43:cece, 2606:4700:3037::6815:328e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=14, name=cloudflare-ech.com
SOAathena.ns.cloudflare.comdns@cloudflare.com serial=2403108918

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=2018564639

Subdomains

www.aoc.edu.vn

Same first word

aoc.tools
aoc.cl
aoc.com.br
aoc.com.mx
aoc.hk
aoc.cv
aoc.cc
aoc.me
aoc.kg
aoc.com.hk
aoc.com.my
aoc.mx
aoc.ai
aoc.co.kr
aoc.training
aoc.com.cn
aoc.archi
aoc.ch
aoc.asia
aoc.org.uk
aoc.eu
aoc.com.au
aoc.in
aoc.co.za
aoc.dk
aoc.asso.fr
aoc.com
aoc.com.az
aoc.ru
aoc.net
aoc.tel
aoc.nl
aoc.su
aoc.be
aoc.net.au
aoc.co.uk
aoc.se
aoc.ro
aoc.no
aoc.fr
aoc.media
aoc.agency
aoc.gov.tr
aoc.com.ua
aoc.company
aoc.org
aoc.world
aoc.solutions
aoc.wiki
aoc.at
aoc.ma
aoc.co.nz
aoc.edu.vn
aoc.by
aoc.com.de
aoc.cat
aoc.es
aoc.tv
aoc.cz
aoc.de
aoc.ca
aoc.ec
aoc.international
aoc.fm
aoc.pl
aoc.gov.tw
aoc.az
aoc.gov
aoc.com.cy
aoc.it
aoc.com.vn
aoc.pt

Similar names

cao.wtf
oac.eu
cao.no
coa.ir
oac.cn
coa.design
coa.com.hk
coa.rs
aco.de
oca.com.uy
oca.university
aco.co.mz
cao.run
oca.ci
aco.kg
aco.sg
cao.tv
aco.jo
oca.mx
aco.com
oca.com.ec
cao.com
coa.as
coa.org
aco.com.lb
aco.cl
aco.ltd
oac.vn
oca.om
cao.ie
cao.se
aco.com.eg
aco
oac.at
coa.me
aco.ne.jp
cao.net.vn
aco.ie
coa.ie
aco.net
oca.ch
aco.com.gr
coa.cz
oac.dk
oac.net
oca.in
oac.kr
aco.ps
coa.la
aco.com.pl
aco.uk
oca.org.au
aco.fr
cao.in
coa.gov.lb
aco.cc
oac.com.my
aco.kz
oca.ac.uk
oac.technology
coa.pp.ua
aco.support
aco.su
oac.com
oac.gr.jp
aco.cn
aco.hr
cao.si
aco.co.uk
oca.ca
oac.be
coa.es
cao.co
aco.nl
cao.cz
aco.report
cao.org.bo
cao.co.kr
aco.net.au
aco.io
oca.nl
oca.su
oac.me
oca.lt
cao.mobi

DNS History

11 records (11 active, 0 former)

NSathena.ns.cloudflare.comelmo.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.50.142172.67.206.2062606:4700:3031::ac43:cece2606:4700:3037::6815:328e
●NSathena.ns.cloudflare.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34
●NSelmo.ns.cloudflare.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34
●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34
●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34
●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34
●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34
●MXaspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34
●A104.21.50.1422026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34
●A172.67.206.2062026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34
●A2606:4700:3031::ac43:cece2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34
●A2606:4700:3037::6815:328e2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:30:40
● 2026-05-09 13:51:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
aoc.edu.vnelmo.ns.cloudflare.com, athena.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.163

NS records: elmo.ns.cloudflare.com, athena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1005ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.50.142, 172.67.206.206
AAAA22606:4700:3031::ac43:cece, 2606:4700:3037::6815:328e
NS2athena.ns.cloudflare.com, elmo.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT3google-site-verification=FyAfgROTFnZyzCr, google-site-verification=VexD5UBY945vhCP...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1athena.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

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

IP Addresses

aoc.edu.vn resolves to four IP numbers: 2606:4700:3031::ac43:cece, 2606:4700:3037::6815:328e, 104.21.50.142 and 172.67.206.206.

other host names for instance trustsync88.sbs, www.aoc.edu.vn, truthnest.co.uk, acrotechinc.com and twicedotcom.com share IP numbers with aoc.edu.vn.

Name Servers

aoc.edu.vn is delegated to two name servers: athena.ns.cloudflare.com and elmo.ns.cloudflare.com.

aoc.edu.vn shares the same name server setup as other domains, for example grok49k.net, nepalhighlandtreks.com, mountainrocktreks.com, legalfinancesolutionfirm.info and ctleuro.ac.cy.

aoc.edu.vn at least partially shares name servers with other domains, for instance hydeparkcorner.com, hitsol.net, adityathebe.com, pecah404goks.com and alentus.info.

These name servers are often used with ximena.ns.cloudflare.com and rocco.ns.cloudflare.com.

Host names with six IP numbers:

athena.ns.cloudflare.com points to: 2606:4700:50::adf5:3a48, 2803:f800:50::6ca2:c048, 2a06:98c1:50::ac40:2048, 108.162.192.72, 172.64.32.72 and 173.245.58.72; elmo.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba3, 2803:f800:50::6ca2:c1a3, 2a06:98c1:50::ac40:21a3, 108.162.193.163, 172.64.33.163 and 173.245.59.163.

Mail Servers

aoc.edu.vn is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

aoc.edu.vn shares mail servers with other domains at least partially, including metrohotel.co.id, ns500671.ns500754.ns500731.ns500671.ns500671.ns500688.ns500671.ns500704.ns500291.ns500291.ns500291.ns500131.lustychickser.com, ns500742.ns500754.ns500671.ns500671.ns500731.ns500671.ns500731.ns500671.ns500671.ns500688.ns500671.ns500704.ns500666.ns500666.ns500291.ns500131.lustychickser.com, ns500599.ns500737.ns500724.ns500737.ns500737.ns500737.ns500724.ns500724.ns500737.ns500724.ns500724.ns500724.yummyflingsfinder.com and ns500731.ns500731.ns500671.ns500731.ns500742.ns500742.ns500704.ns500704.ns500704.ns500678.ns500671.ns500678.ns500666.ns500291.ns500131.lustychickser.com.

these mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.

Hosts with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c23::1a and 142.251.167.27.

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.26.

alt2.aspmx.l.google.com points to 2a00:1450:4013:c1e::1a and 192.178.213.27.

alt3.aspmx.l.google.com points to 2a00:1450:4001:c21::1b and 142.251.127.26.

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