`self.edu.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:dc25^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:5e35^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.94.53^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.37^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`beth.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c067^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`beth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2067^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`beth.ns.cloudflare.com`
		A	108.162.192.103^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	172.64.32.103^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	173.245.58.103^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
NS	`seth.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`seth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`seth.ns.cloudflare.com`
		A	108.162.193.142^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	172.64.33.142^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	173.245.59.142^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
MX	`mx1.hostinger.com` ⭐
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx2.hostinger.com`⁽¹⁰⁾
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`facebook-domain-verification=nqa5lf0jhiuc626tsoha885ndvpkow`
TXT	`google-site-verification=BwFRuRFXdPTCPMBzkuxfFNNJ7wJSTTlZSMfHfpvEWpk`
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.94.53, 172.67.220.37
		IPv6 hints	2606:4700:3030::ac43:dc25, 2606:4700:3031::6815:5e35
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=203, name=cloudflare-ech.com
SOA	`beth.ns.cloudflare.com`dns@cloudflare.com serial=2403282352

`edu.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2018564779

Subdomains

www.self.edu.vn

Same first word

self.biz

self.report

self.systems

self.com.cn

self.healthcare

self.se

self.cn

self.bi

self.onl

self.moe

self.chat

self.be

self.com.tr

self.jp

self.finance

self.expert

self.training

self.de

self.at

self.fr

self.agency

self.it

self.cz

self.lt

self.su

self.nl

self.repair

self.plus

self.watch

self.org

self.ws

self.institute

self.nu

self.qa

self.co.uk

self.me

self.technology

self.show

self.clothing

self.sg

self.marketing

self.software

self.team

self.md

self.direct

self.co

self.es

self.biz.tr

self.travel

self.fish

self.fm

self.zone

self.land

self.network

self.co.kr

self.com

self.tv

self.edu.vn

self.art.br

self.domains

self.media

self.pl

self.com.tw

self.eu

self.org.br

self.my

self.synology.me

self.blue

self.ru

self.ge

self.co.jp

self.net.au

self.org.cn

self.construction

self.to

self.net

self.pt

self.inc

self.express

self.lv

self.catering

self.li

self.email

self.gg

self.mx

self.run

self.cool

self.digital

self.dk

self.hu

self.tours

self.id

self.ee

self.sk

self.fi

self.bio

self.ch

self.life

self.xyz

Similar names

fels.li

esfl.org

flse.net

fels.ca

elfs.io

fesl.cn

fels.it

elfs.cz

fles.net

fels.ru

elfs.de

fles.co

sefl.cn

esfl.info

sfle.fr

sfle.com

slef.ru

lesf.org

efls.net

fels.space

slef.is

flse.org

fels.me

fels.net

esfl.cn

fesl.ca

fels.at

fels.fr

sfel.fr

efsl.com

fels.co

fesl.at

fesl.de

fels.kasserver.com

sefl.us

fels.info

fsel.edu.vn

fles.it

esfl.us

fles.co.kr

esfl.co.nz

fels.nl

slef.ca

slef.fi

sfel.gr

fels.de

fles.land

slef.org

slef.nl

flse.ru

lefs.net

elfs.lv

efls.com

elfs.nl

esfl.sh.cn

esfl.de

elfs.hr

esfl.com

fesl.org

eslf.org

DNS History

12 records (8 active, 4 former)

●NSbeth.ns.cloudflare.com2020-01-03 → 2026-05-10 · 2 obs

● 2020-01-03 13:04:56
● 2026-05-10 09:40:40

●NSseth.ns.cloudflare.com2020-01-03 → 2026-05-10 · 2 obs

● 2020-01-03 13:04:56
● 2026-05-10 09:40:40

●MXmx1.hostinger.com2026-05-08 → 2026-05-10 · 2 obs

● 2026-05-08 08:00:10
● 2026-05-10 09:40:40

●MXmx2.hostinger.com2026-05-08 → 2026-05-10 · 2 obs

● 2026-05-08 08:00:10
● 2026-05-10 09:40:40

●A104.21.94.532026-05-08 → 2026-05-10 · 3 obs

○ 2020-01-03 13:04:56
● 2026-05-08 08:00:10
● 2026-05-10 09:40:40

○A104.27.186.172020-01-03 → 2020-01-03 · 3 obs

● 2020-01-03 13:04:56
○ 2026-05-08 08:00:10
○ 2026-05-10 09:40:40

○A104.27.187.172020-01-03 → 2020-01-03 · 3 obs

● 2020-01-03 13:04:56
○ 2026-05-08 08:00:10
○ 2026-05-10 09:40:40

●A172.67.220.372026-05-08 → 2026-05-10 · 3 obs

○ 2020-01-03 13:04:56
● 2026-05-08 08:00:10
● 2026-05-10 09:40:40

○A2606:4700:30::681b:ba112020-01-03 → 2020-01-03 · 3 obs

● 2020-01-03 13:04:56
○ 2026-05-08 08:00:10
○ 2026-05-10 09:40:40

○A2606:4700:30::681b:bb112020-01-03 → 2020-01-03 · 3 obs

● 2020-01-03 13:04:56
○ 2026-05-08 08:00:10
○ 2026-05-10 09:40:40

●A2606:4700:3030::ac43:dc252026-05-08 → 2026-05-10 · 3 obs

○ 2020-01-03 13:04:56
● 2026-05-08 08:00:10
● 2026-05-10 09:40:40

●A2606:4700:3031::6815:5e352026-05-08 → 2026-05-10 · 3 obs

○ 2020-01-03 13:04:56
● 2026-05-08 08:00:10
● 2026-05-10 09:40:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
self.edu.vn	beth.ns.cloudflare.com, seth.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.103

NS records: beth.ns.cloudflare.com, seth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1430ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.94.53, 172.67.220.37`
AAAA	2	`2606:4700:3030::ac43:dc25, 2606:4700:3031::6815:5e35`
NS	2	`beth.ns.cloudflare.com, seth.ns.cloudflare.com`
MX	2	`mx2.hostinger.com (pri: 10), mx1.hostinger.com (pri: 5)`
TXT	3	`facebook-domain-verification=nqa5lf0jhiu, google-site-verification=BwFRuRFXdPTCPMB...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`beth.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

self.edu.vn is a parent of www.self.edu.vn.

IP Addresses

self.edu.vn points to four IP numbers: 2606:4700:3030::ac43:dc25, 2606:4700:3031::6815:5e35, 104.21.94.53 and 172.67.220.37.

Other host names, for instance oksecondhand.ro, moontown.co.uk, 18888881.com, 117.180.25.whoisrequest.org and ceritadewas4.com share IP numbers with self.edu.vn.

Name Servers

Delegation for self.edu.vn rests with two name servers, beth.ns.cloudflare.com and seth.ns.cloudflare.com.

self.edu.vn shares the same name server setup as other domains, including erikjhill.com, oldetownecutlery.com, epicpeople.nl, goctamhon.com and massi7e.com.

self.edu.vn at least partially shares name servers with other domains, for instance maughanster.com, jyt5tvya73.cyou, hdmusic.me, webiny.com and solutionfuse.com.

Host names with six IP numbers: beth.ns.cloudflare.com points to: 2606:4700:50::adf5:3a67, 2803:f800:50::6ca2:c067, 2a06:98c1:50::ac40:2067, 108.162.192.103, 172.64.32.103 and 173.245.58.103. seth.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8e, 2803:f800:50::6ca2:c18e, 2a06:98c1:50::ac40:218e, 108.162.193.142, 172.64.33.142 and 173.245.59.142.

Mail Servers

self.edu.vn is handled by two mail servers: mx1.hostinger.com and mx2.hostinger.com.

self.edu.vn uses the same mail server configuration as other domains, such as mect.ca, workdroid.com, aquarev.in, pencils-ads.com and aldeiabr.com.br.

self.edu.vn shares mail servers with other domains, at least partially, for instance amardaripalla.com and eazyresearch.com.

Host names with two IP numbers:

mx1.hostinger.com points to 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

mx2.hostinger.com points to 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

Host names pointing to 2606:4700:90:0:c1f8:f874:2386:b61f: mx1.hostinger.com, mx2.hostinger.com.

Host names pointing to 172.65.182.103: mx1.hostinger.com, mx2.hostinger.com.

self.edu.vn - robtex.com

self.edu.vn

edu.vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`self.edu.vn`

`edu.vn`