zu.edu.vn - robtex.com

zu.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:8db6🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:213b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.33.59Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.141.182🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSautumn.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2694🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRautumn.ns.cloudflare.com
A2803:f800:50::6ca2:c294🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRautumn.ns.cloudflare.com
A2a06:98c1:50::ac40:2294🇺🇸 Cloudflare2a06:98c1:50::/45
PTRautumn.ns.cloudflare.com
A108.162.194.148🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRautumn.ns.cloudflare.com
A162.159.38.148Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRautumn.ns.cloudflare.com
A172.64.34.148🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRautumn.ns.cloudflare.com
NSignat.ns.cloudflare.com
A2606:4700:58::a29f:2c13🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignat.ns.cloudflare.com
A2803:f800:50::6ca2:c313🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRignat.ns.cloudflare.com
A2a06:98c1:50::ac40:2313🇺🇸 Cloudflare2a06:98c1:50::/45
PTRignat.ns.cloudflare.com
A108.162.195.19🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignat.ns.cloudflare.com
A162.159.44.19Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignat.ns.cloudflare.com
A172.64.35.19🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignat.ns.cloudflare.com
MXsmtp.google.com ⭐
A2607:f8b0:4023:c03::1a🇺🇸 Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A2607:f8b0:4023:c03::1b🇺🇸 Google2607:f8b0::/32
PTRdy-in-f27.1e100.net
A2607:f8b0:4023:c06::1b🇺🇸 Google2607:f8b0::/32
PTRdz-in-f27.1e100.net
A2607:f8b0:4023:c0d::1a🇺🇸 Google2607:f8b0::/32
PTRdl-in-f26.1e100.net
A74.125.137.26🇺🇸 Google74.125.137.0/24
PTRdy-in-f26.1e100.net
A74.125.137.27🇺🇸 Google74.125.137.0/24
PTRdy-in-f27.1e100.net
A142.250.101.26🇺🇸 Google142.250.101.0/24
PTRdz-in-f26.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
A142.251.2.27🇺🇸 Google142.251.2.0/24
PTRdl-in-f27.1e100.net
TXTgoogle-site-verification=GuHDNnyEr_BUpnZ9qdt1-a0mN7BlNczgr8rIqtvz-M4
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.33.59, 172.67.141.182
IPv6 hints2606:4700:3035::ac43:8db6, 2606:4700:3036::6815:213b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=151, name=cloudflare-ech.com
SOAautumn.ns.cloudflare.comdns@cloudflare.com serial=2402549003

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=2018564935

Subdomains

www.zu.edu.vn

Same first word

zu.mba
zu.edu.vn
zu.co
zu.ac.ae
zu.com.ua
zu.edu.eg
zu.io
zu.la
zu.no
zu.biz
zu.chat
zu.hu
zu.eu
zu.fyi
zu.tn
zu.by
zu.com
zu.my
zu.ae
zu.edu.ly
zu.cl
zu.edu.pk
zu.pl
zu.cz
zu.org
zu.de
zu.lt
zu.pe
zu.lv
zu.rs
zu.nu
zu.se
zu.world
zu.pt
zu.gs
zu.ac
zu.si
zu.cc
zu.net
zu.com.tw
zu.be
zu.co.uk
zu.uz
zu.digital
zu.su
zu.lc
zu.ru
zu.au
zu.ca
zu.edu.ua
zu.nl
zu.edu.jo

Similar names

uz.com
uz.zgora.pl
uz.no
uz.co
uz.cx
uz.dev
uz.de
uz.pl
uz.ru
uz.taxi
uz.ua
uz.edu.ph
uz.uz
uz.hu
uz.ai
uz.com.ua
uz.co.th
uz.gp
uz.vg
uz.pizza
uz.be
uz.cm
uz.ac
uz.cc
uz.nl
uz.kz
uz.org
uz.ws
uz.id
uz.id.lv
uz
uz.ee
uz.msk.ru
uz.ac.zw
uz.ro
uz.com.ru
uz.team
uz.com.tr
uz.spb.ru
uz.mn
uz.ca
uz.nu
uz.cz
uz.pe
uz.net
uz.post
uz.cl
uz.uz.ua
uz.gov.ua
uz.by
uz.rs

DNS History

11 records (7 active, 4 former)

NSautumn.ns.cloudflare.comignat.ns.cloudflare.comMXsmtp.google.comA104.21.33.59172.67.141.1822606:4700:3035::ac43:8db62606:4700:3036::6815:213b188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSautumn.ns.cloudflare.com2026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 19:36:48
● 2026-05-11 03:38:52
●NSignat.ns.cloudflare.com2026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 19:36:48
● 2026-05-11 03:38:52
●MXsmtp.google.com2026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 19:36:48
● 2026-05-11 03:38:52
●A104.21.33.592026-04-30 → 2026-05-11 · 9 obs
● 2026-04-30 19:36:48
● 2026-04-30 22:52:24
○ 2026-05-01 08:33:44
● 2026-05-02 19:42:02
● 2026-05-03 10:43:56
○ 2026-05-04 18:47:34
○ 2026-05-06 11:11:30
● 2026-05-07 13:59:06
● 2026-05-11 03:38:52
●A172.67.141.1822026-04-30 → 2026-05-11 · 9 obs
● 2026-04-30 19:36:48
● 2026-04-30 22:52:24
○ 2026-05-01 08:33:44
● 2026-05-02 19:42:02
● 2026-05-03 10:43:56
○ 2026-05-04 18:47:34
○ 2026-05-06 11:11:30
● 2026-05-07 13:59:06
● 2026-05-11 03:38:52
○A188.114.96.02026-05-01 → 2026-05-06 · 8 obs
○ 2026-04-30 22:52:24
● 2026-05-01 08:33:44
○ 2026-05-02 19:42:02
○ 2026-05-03 10:43:56
● 2026-05-04 18:47:34
● 2026-05-06 11:11:30
○ 2026-05-07 13:59:06
○ 2026-05-11 03:38:52
○A188.114.97.02026-05-01 → 2026-05-06 · 8 obs
○ 2026-04-30 22:52:24
● 2026-05-01 08:33:44
○ 2026-05-02 19:42:02
○ 2026-05-03 10:43:56
● 2026-05-04 18:47:34
● 2026-05-06 11:11:30
○ 2026-05-07 13:59:06
○ 2026-05-11 03:38:52
●A2606:4700:3035::ac43:8db62026-04-30 → 2026-05-11 · 9 obs
● 2026-04-30 19:36:48
● 2026-05-03 10:43:56
○ 2026-05-04 18:47:34
○ 2026-05-04 22:21:18
● 2026-05-06 03:44:38
○ 2026-05-06 11:11:30
○ 2026-05-07 13:59:06
● 2026-05-07 15:28:54
● 2026-05-11 03:38:52
●A2606:4700:3036::6815:213b2026-04-30 → 2026-05-11 · 9 obs
● 2026-04-30 19:36:48
● 2026-05-03 10:43:56
○ 2026-05-04 18:47:34
○ 2026-05-04 22:21:18
● 2026-05-06 03:44:38
○ 2026-05-06 11:11:30
○ 2026-05-07 13:59:06
● 2026-05-07 15:28:54
● 2026-05-11 03:38:52
○A2a06:98c1:3120::2026-05-04 → 2026-05-07 · 8 obs
○ 2026-05-03 10:43:56
● 2026-05-04 18:47:34
● 2026-05-04 22:21:18
○ 2026-05-06 03:44:38
● 2026-05-06 11:11:30
● 2026-05-07 13:59:06
○ 2026-05-07 15:28:54
○ 2026-05-11 03:38:52
○A2a06:98c1:3121::2026-05-04 → 2026-05-07 · 8 obs
○ 2026-05-03 10:43:56
● 2026-05-04 18:47:34
● 2026-05-04 22:21:18
○ 2026-05-06 03:44:38
● 2026-05-06 11:11:30
● 2026-05-07 13:59:06
○ 2026-05-07 15:28:54
○ 2026-05-11 03:38:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
zu.edu.vnignat.ns.cloudflare.com, autumn.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.19

NS records: ignat.ns.cloudflare.com, autumn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1095ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.33.59, 172.67.141.182
AAAA22606:4700:3036::6815:213b, 2606:4700:3035::ac43:8db6
NS2autumn.ns.cloudflare.com, ignat.ns.cloudflare.com
MX1smtp.google.com (pri: 1)
TXT1google-site-verification=GuHDNnyEr_BUpnZ
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1autumn.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

www.zu.edu.vn has zu.edu.vn as its parent.

IP Addresses

zu.edu.vn maps to four IP numbers: 2606:4700:3035::ac43:8db6, 2606:4700:3036::6815:213b, 104.21.33.59 and 172.67.141.182.

Other host names, for instance mechapp.cloud, 966228.cc, humanit.in, lfwgj.com and osteopathyresearch.com share IP numbers with zu.edu.vn.

Name Servers

Two name servers autumn.ns.cloudflare.com and ignat.ns.cloudflare.com are delegated to zu.edu.vn.

zu.edu.vn uses the same name server configuration as other domains, such as phongthuy.edu.vn, globalnexus.edu.vn, eyedoctorguide.com, hellyhansenhungary.com and lernen.me.

zu.edu.vn at least partially shares name servers with other domains such as ytdip.com, tuanke365.com, meritking3020.com, afterwordsusedbooks.com and meritiking1841.com.

These name servers are commonly used with ziggy.ns.cloudflare.com and raphaela.ns.cloudflare.com.

Host names with six IP numbers: Host name autumn.ns.cloudflare.com points to 2606:4700:50::a29f:2694, 2803:f800:50::6ca2:c294, 2a06:98c1:50::ac40:2294, 108.162.194.148, 162.159.38.148 and 172.64.34.148; host name ignat.ns.cloudflare.com points to 2606:4700:58::a29f:2c13, 2803:f800:50::6ca2:c313, 2a06:98c1:50::ac40:2313, 108.162.195.19, 162.159.44.19 and 172.64.35.19.

Mail Servers

zu.edu.vn is handled by a single mail server, smtp.google.com.

zu.edu.vn shares the same mail server setup as other domains, including ecr-office.net, zecuri.se, justinbeauty.com, altep.ua and vtctea.com.

zu.edu.vn shares mail servers with other domains at least in part, for instance aftertherain.kr, vakman.org, omnara.com, www.autotrader.co.zm and brianvuong.com.

these mail servers are often used together with aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

Host name smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c03::1a, 2607:f8b0:4023:c03::1b, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0d::1a, 74.125.137.26, 74.125.137.27, 142.250.101.26, 142.250.101.27 and 142.251.2.27.