pub.edu.vn - robtex.com

pub.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:2aac🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:cecf🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.42.172Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.207🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSburt.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
A2803:f800:50::6ca2:c14f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRburt.ns.cloudflare.com
A2a06:98c1:50::ac40:214f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRburt.ns.cloudflare.com
A108.162.193.79🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
A172.64.33.79🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
A173.245.59.79🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
NSitzel.ns.cloudflare.com
A2606:4700:50::a29f:262a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
A2803:f800:50::6ca2:c22a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRitzel.ns.cloudflare.com
A2a06:98c1:50::ac40:222a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRitzel.ns.cloudflare.com
A108.162.194.42🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
A162.159.38.42Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
A172.64.34.42🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute3.mx.cloudflare.net(72)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute1.mx.cloudflare.net(93)
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.42.172, 172.67.206.207
IPv6 hints2606:4700:3032::6815:2aac, 2606:4700:3033::ac43:cecf
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=110, name=cloudflare-ech.com
SOAburt.ns.cloudflare.comdns@cloudflare.com serial=2402967188

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=2018564748

Same first word

pub.ru
pub.red
pub.hu
pub.tech
pub.bingo
pub.com
pub.vc
pub.network
pub.tn
pub.org
pub.media
pub.co.kr
pub.ec
pub.kiev.ua
pub.gov.sg
pub.co.jp
pub.nl.ca
pub.gratis
pub
pub.md
pub.ua
pub.com.vn
pub.edu.vn
pub.church
pub.net
pub.ch
pub.ac.za
pub.com.au
pub.sa
pub.pt
pub.uk.net
pub.works
pub.lt
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pub.fyi
pub.lu
pub.it
pub.com.ua
pub.uy
pub.tv
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pub.nf.ca
pub.es
pub.la
pub.events
pub.pl
pub.lc
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pub.pink
pub.fi
pub.zone
pub.solar
pub.ro
pub.cn
pub.fm
pub.si
pub.ne.jp
pub.today
pub.su
pub.bg
pub.ph
pub.golf
pub.supplies
pub.io
pub.hr
pub.s3-website-ap-northeast-1.amazonaws.com
pub.ee
pub.asia
pub.info
pub.us
pub.mn
pub.cz
pub.actor
pub.ink
pub.bz
pub.com.ki
pub.s3.amazonaws.com
pub.be
pub.vn
pub.lv
pub.house
pub.nu
pub.ma
pub.al

Similar names

upb.org.br
bup.lt
upb.no
pbu.kz
upb.ac.id
bup.at
pbu.net
ubp.ca
ubp.in.ua
bup.co
ubp.com.tr
bup.ru
pbu.org
upb.mx
ubp.biz
pbu.cl
upb.edu.mx
upb.nl
pbu.ca
bup.ro
bup.co.at
upb.com.jo
bpu.group
bup.dk
bup.vn
ubp.se
ubp.org
pbu.no
bup.com
bpu.cz
bup.co.za
ubp.at
upb.us
pbu.com
ubp.be
upb.at
bpu.info
ubp.de
pbu.in
ubp.it
ubp.club
bup.nl
upb.lv
bup.cz
upb.de
bpu.fr
bup.blue
pbu.co
upb.ru
pbu.cz
bup.eu
bup.cc
pbu.mobi
pbu.hr
upb.biz
bpu.com
pbu.it
ubp.email
upb.co.za
ubp.com.au
bup.rs
bpu.at
bup.kr
bup.hr
pbu.cn
ubp.su
bpu.org
ubp.pl
bpu.no
bpu.cc
upb.uk.com
ubp.ch
ubp.fr
upb.com.ua
bpu.be
upb.ro
pbu.edu.my
ubp.mu
ubp.com.uy
bup.cn
ubp.uk
bpu.ac.kr
upb.edu.ph
ubp.jp
pbu.be
bup.pl
ubp.com.ua
bpu.uz
bup.co.kr
upb.edu
ubp.es

DNS History

9 records (9 active, 0 former)

NSburt.ns.cloudflare.comitzel.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.42.172172.67.206.2072606:4700:3032::6815:2aac2606:4700:3033::ac43:cecf
●NSburt.ns.cloudflare.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:20:18
● 2026-05-09 18:53:16
●NSitzel.ns.cloudflare.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:20:18
● 2026-05-09 18:53:16
●MXroute1.mx.cloudflare.net2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:20:18
● 2026-05-09 18:53:16
●MXroute2.mx.cloudflare.net2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:20:18
● 2026-05-09 18:53:16
●MXroute3.mx.cloudflare.net2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:20:18
● 2026-05-09 18:53:16
●A104.21.42.1722026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:20:18
● 2026-05-09 18:53:16
●A172.67.206.2072026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:20:18
● 2026-05-09 18:53:16
●A2606:4700:3032::6815:2aac2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:20:18
● 2026-05-09 18:53:16
●A2606:4700:3033::ac43:cecf2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:20:18
● 2026-05-09 18:53:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
pub.edu.vnitzel.ns.cloudflare.com, burt.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.42

NS records: itzel.ns.cloudflare.com, burt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 993ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.206.207, 104.21.42.172
AAAA22606:4700:3033::ac43:cecf, 2606:4700:3032::6815:2aac
NS2burt.ns.cloudflare.com, itzel.ns.cloudflare.com
MX3route2.mx.cloudflare.net (pri: 42), route3.mx.cloudflare.net (pri: 72)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1burt.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

pub.edu.vn points to four IP numbers: 2606:4700:3032::6815:2aac, 2606:4700:3033::ac43:cecf, 104.21.42.172 and 172.67.206.207.

Other host names including adult-free.com, tesd-29188.pwfan.ru, nillkinmall.com, tesd-19783.pwfan.ru and holehouse.me share IP numbers with pub.edu.vn.

Name Servers

pub.edu.vn's delegation uses two name servers, burt.ns.cloudflare.com and itzel.ns.cloudflare.com.

pub.edu.vn shares the same name server setup as other domains, for example gsaig.gov, kubotaakiyuki.com, k-nettet.dk, evosoftacp.com and mp3juices.io.

pub.edu.vn at least partially shares name servers with other domains, including familink.fr, gameowls.org, kjsplace.com, lebanesefoodbank.org and chinaluxiang.com.

These name servers are commonly used with rory.ns.cloudflare.com and ed.ns.cloudflare.com.

Host names with six IP numbers:

burt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4f, 2803:f800:50::6ca2:c14f, 2a06:98c1:50::ac40:214f, 108.162.193.79, 172.64.33.79 and 173.245.59.79.

itzel.ns.cloudflare.com points to: 2606:4700:50::a29f:262a, 2803:f800:50::6ca2:c22a, 2a06:98c1:50::ac40:222a, 108.162.194.42, 162.159.38.42 and 172.64.34.42.

Mail Servers

pub.edu.vn is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

The mail servers for pub.edu.vn are shared with other domains, for instance ondisplayltd.com, namminamm.com, omnicracy.net, brastrend.com and hillcorporation.net.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.