`rsa.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8862^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:3649^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.73^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.98^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brett.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brett.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brett.ns.cloudflare.com`
		A	108.162.193.76^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	172.64.33.76^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	173.245.59.76^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
NS	`joselyn.ns.cloudflare.com`
		A	2606:4700:50::a29f:262b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joselyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joselyn.ns.cloudflare.com`
		A	108.162.194.43^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	162.159.38.43^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	172.64.34.43^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		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`
MX	`route3.mx.cloudflare.net`⁽³⁵⁾
		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`⁽⁴⁶⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
TXT	`zalo-platform-site-verification=ROA6AfU_CG5eZ8KAiuG6LZVqe6pRYdCmDpO`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.73, 172.67.136.98
		IPv6 hints	2606:4700:3030::ac43:8862, 2606:4700:3034::6815:3649
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com
SOA	`brett.ns.cloudflare.com`dns@cloudflare.com serial=2410871859

`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=2031085911

Subdomains

home.rsa.vn

pccc.rsa.vn

bk-db.rsa.vn

Same first word

rsa.co

rsa.co.in

rsa.claims

rsa.de

rsa.archi

rsa.org.nz

rsa.no

rsa.org.il

rsa.msk.ru

rsa.com.hk

rsa.ie

rsa.nu

rsa.nl

rsa.ac.ke

rsa.sk

rsa.cz

rsa.ind.br

rsa.ec

rsa.net

rsa.fm

rsa.org.uk

rsa.edu.gh

rsa.co.nz

rsa.org

rsa.contractors

rsa.gouv.fr

rsa.com.tr

rsa.me

rsa.law

rsa.com.py

rsa.dk

rsa.im

rsa.digital

rsa.com.br

rsa.kz

rsa.global

rsa.com.pt

rsa.lt

rsa.cl

rsa.pt

rsa.lv

rsa.pub

rsa.net.ru

rsa.com

rsa.email

rsa.com.mx

rsa.ch

rsa.se

rsa.ag

rsa.ru

rsa.ro

rsa.at

rsa.co.ir

rsa.marketing

rsa.us

rsa.be

rsa.hr

rsa.la

rsa.center

rsa.events

rsa.com.my

rsa.org.ru

rsa.it

rsa.kiev.ua

rsa.mx

rsa.su

rsa.pro

rsa.hu

rsa.jp

rsa.spdns.eu

rsa.ir

rsa.io

rsa.biz

rsa.tel

rsa.eu

rsa.fi

rsa.or.id

rsa.gov.sa

rsa.com.au

rsa.co.id

rsa.gg

rsa.fr

rsa.ee

rsa.org.za

rsa.com.cn

rsa.pl

Similar names

sra.pt

sar.info

asr.com.tr

sra.gov.in

ars.academy

ras.at

ars.or.jp

sra.co.in

sar.kz

sra.jp

sar.cz

ars.katowice.pl

asr.net.au

ras.fr

sra.org.sz

asr.to

asr.pl

sar.com

asr.dk

ras.sk

sra.co.id

asr.org.br

sar.co.uk

sra.ro

asr.se

sar.gov.ua

ars.properties

asr.mx

ars.ae

sar.ai

ras.kz

asr.li

ras.org.sg

ars.one

asr.sa

ras.media

sar.nu

sar.agency

ars.ws

sar.org.za

sar.co.il

asr.com.pk

sar.com.cn

sar.es

sar.sardegna.it

ars.repair

asr.kz

ars.be

sra.eu

ras.nu

ras.cat

sra.ie

ars.rs

asr.co

asr.pt

asr.es

ars.gov.hk

ars.com.ua

asr.com.ua

ras.gov.in

ars.pt

ars.center

ras.ee

ars.lu

ars.life

sra.gov.il

ras.gov.rs

ars.ru

ars.co.za

ras.ch

ars.vc

ras.pt

sra.sa

sar.org.ua

sar.dev

sra.my

asr.altervista.org

asr.nl

ras.email

ras.im

ras.gov.sg

sar.org.nz

sra.co.il

ars.com.ec

sar.ba

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, g.dns-servers.vn, b.dns-servers.vn, d.dns-servers.vn...	-
rsa.vn	joselyn.ns.cloudflare.com, brett.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.76

NS records: joselyn.ns.cloudflare.com, brett.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rsa.vn (unsigned zone)

⏱️ Timing

Total: 684ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.54.73, 172.67.136.98`
AAAA	2	`2606:4700:3030::ac43:8862, 2606:4700:3034::6815:3649`
NS	2	`brett.ns.cloudflare.com, joselyn.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 3), route3.mx.cloudflare.net (pri: 35)...`
TXT	2	`v=spf1 include:_spf.mx.cloudflare.net ~a, zalo-platform-site-verification=ROA6AfU_`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brett.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

The domain rsa.vn is parent to home.rsa.vn, pccc.rsa.vn and bk-db.rsa.vn.

IP Addresses

rsa.vn directs to four IP numbers, which are 104.21.54.73, 172.67.136.98, 2606:4700:3030::ac43:8862 and 2606:4700:3034::6815:3649.

Two other host names, along with mail.vetoquinolkorea.com, tengbo.net and mxs.is, also share IP numbers with rsa.vn.

Name Servers

The NS records for rsa.vn delegate to brett.ns.cloudflare.com and joselyn.ns.cloudflare.com.

rsa.vn shares its NS records with other domains, for example orilondon.com, geivanny-tile-installation.pages.dev, livingarcana.com and two others.

At least some of rsa.vn's name servers are shared with other domains, for example pafijenawi.org, atk777.net, cineblog001.cyou and two more.

It is common for these name servers to be used in conjunction with the name servers cortney.ns.cloudflare.com, chris.ns.cloudflare.com and sevki.ns.cloudflare.com.

DNS names with 6 IP addresses:

brett.ns.cloudflare.com maps to 108.162.193.76, 172.64.33.76, 173.245.59.76 and 3 additional IP addresses.

joselyn.ns.cloudflare.com maps to 108.162.194.43, 162.159.38.43, 172.64.34.43 and 3 additional IP addresses.

Mail Servers

The MX records for rsa.vn list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between rsa.vn and other domains, including friday-roll.app, madutech.com, woome69.de and two others.