`csu.vn`

DNSSEC	⚠️ Not signed
A	103.249.201.234^{🇻🇳 TCTH-VN103.249.200.0/23}
NS	`angela.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a41^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c041^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`angela.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2041^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`angela.ns.cloudflare.com`
		A	108.162.192.65^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
		A	172.64.32.65^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
		A	173.245.58.65^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
NS	`austin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b46^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c146^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`austin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2146^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`austin.ns.cloudflare.com`
		A	108.162.193.70^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	172.64.33.70^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	173.245.59.70^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁸⁶⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹¹⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`angela.ns.cloudflare.com`dns@cloudflare.com serial=2403012326

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030759709

Subdomains

www.csu.vn

Same first word

csu.eu

csu.at

csu.edu.tw

csu.ac.uk

csu.as

csu.kz

csu.us

csu.edu.cn

csu.edu.ph

csu.gov.sl

csu.edu.rs

csu.org.au

csu.su

csu.bayern

csu.com.tr

csu.com.br

csu.ae

csu.edu.vn

csu.it

csu.net

csu.edu.au

csu.co.cr

csu.ac.kr

csu.ph

csu.vn

csu.nl

csu.org.tw

csu.org.cn

csu.support

csu.rs

csu.edu

csu.de

csu.cz

csu.pl

csu.co.zw

csu.co.in

csu.kr

csu.uz

csu.dk

csu.mn

csu.sk

csu.ac.cn

csu.fr

csu.edu.tr

csu.qc.ca

csu.cv

csu.bc.ca

csu.hu

csu.be

csu.co

csu.ru

csu.ch

csu.com.mx

csu.me

csu.uy

csu.es

csu.in

csu.ro

csu.com

csu.college

csu.org

csu.mobi

csu.domains

csu.si

Similar names

ucs.fr

usc.co.uk

cus.ac.in

scu.me

usc.group

scu.eg

ucs.ac.th

scu.uz

suc.pl

cus.cat

suc.fr

usc.edu.br

usc.edu

suc.es

scu.cl

scu.edu.au

scu.net

ucs.ae

ucs.com.sa

cus.co.uk

ucs.uk.com

usc.com.ua

usc.biz

ucs.limited

suc.cz

cus.bio

cus.edu.co

ucs.net

cus.vn

usc.am

cus.cl

cus.ca

cus.com.br

ucs.hk

usc.org.pk

scu.es

scu.com.mx

scu.it

usc.gov

usc.cn

ucs.coop

suc.be

cus.fr

cus.ro

cus.info

usc.com.co

cus.edu

ucs.ca

scu.ch

cus.hr

scu.be

ucs.info

usc.ph

cus.com

scu.com.au

cus.ie

ucs.fi

cus.com.cy

usc.net.cn

ucs.io

cus.hk

ucs.nl

suc.ca

usc.edu.co

ucs.com.tw

usc.com.ph

cus.no

ucs.network

usc.cz

suc.eu

usc.ie

ucs.edu.mx

ucs.trafficmanager.net

scu.se

suc.llc

scu.red

ucs.com.br

ucs.pt

usc.se

scu.com

usc.school

usc.kr

usc.edu.tw

ucs.biz

DNS History

6 records (6 active, 0 former)

●NSangela.ns.cloudflare.com2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 11:34:10
● 2026-05-11 16:21:10

●NSaustin.ns.cloudflare.com2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 11:34:10
● 2026-05-11 16:21:10

●MXroute1.mx.cloudflare.net2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 11:34:10
● 2026-05-11 16:21:10

●MXroute2.mx.cloudflare.net2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 11:34:10
● 2026-05-11 16:21:10

●MXroute3.mx.cloudflare.net2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 11:34:10
● 2026-05-11 16:21:10

●A103.249.201.2342026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 11:34:10
● 2026-05-11 16:21:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
csu.vn	austin.ns.cloudflare.com, angela.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.70

NS records: austin.ns.cloudflare.com, angela.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csu.vn (unsigned zone)

⏱️ Timing

Total: 1048ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.249.201.234`
NS	2	`angela.ns.cloudflare.com, austin.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 54), route2.mx.cloudflare.net (pri: 86)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`angela.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

csu.vn is the parent of www.csu.vn.

IP Addresses

csu.vn resolves to a single IP address: 103.249.201.234.

Name Servers

csu.vn's delegation uses two name servers, angela.ns.cloudflare.com and austin.ns.cloudflare.com.

csu.vn shares the same name server setup as other domains, for example apizone.info, euro-gas.com, securitystandard.pl, yellowhat.pl and despotstills.com.

csu.vn at least partially shares name servers with other domains, including zelandu.com, hefton.net, 475cc.com, schulteracing.com and delta2alpha.com.