`dds.edu.vn`

DNSSEC	⚠️ Not signed
A	14.224.230.59^{🇻🇳 VTN-114.224.224.0/20 VNPT}
		PTR	`static.vnpt.vn`
NS	`ns4.tenten.vn` ⭐
		A	2404:f080:1101:302:a163:44:193:20^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns4.tenten.vn`
		A	103.18.7.204^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns4.tenten.vn`
NS	`ns5.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:21^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns5.tenten.vn`
		A	103.18.7.205^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns5.tenten.vn`
NS	`ns6.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:22^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns6.tenten.vn`
		A	52.74.6.184^{🇸🇬 Amazon52.74.0.0/16 SIN prefix}
			PTR	`ec2-52-74-6-184.ap-southeast-1.compute.amazonaws.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c06::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f27.1e100.net`
		A	74.125.137.27^{🇺🇸 Google74.125.137.0/24}
			PTR	`dy-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
TXT	`google-site-verification=s3FTgJUKnPCt41ZuwkimhfA3qtXEWLd_BludNrXa-kg`
SOA	`ns4.tenten.vn`hostmaster@dds.edu.vn 2025-11-17 #20

`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=2018564634

Subdomains

admin.dds.edu.vn

mail.dds.edu.vn

tin.dds.edu.vn

beta.dds.edu.vn

Same first word

dds.cn

dds.kiev.ua

dds.tips

dds

dds.ru

dds.ie

dds.mx

dds.org.br

dds.pe

dds.ro

dds.media

dds.im

dds.international

dds.info

dds.rs

dds.co.bw

dds.no

dds.lt

dds.co.kr

dds.nl

dds.com

dds.cl

dds.co.uk

dds.koeln

dds.net.br

dds.eu.com

dds.tv

dds.camera

dds.com.ua

dds.gr

dds.name

dds.care

dds.co.rs

dds.com.br

dds.com.cy

dds.agency

dds.lv

dds.berlin

dds.com.vn

dds.amsterdam

dds.net.au

dds.com.cn

dds.hu

dds.es

dds.bg

dds.ws

dds.ab.ca

dds.co.nz

dds.co

dds.cz

dds.com.gh

dds.sk

dds.org

dds.dk

dds.taxi

dds.si

dds.email

dds.fr

dds.edu.vn

dds.at

dds.photos

dds.today

dds.ch

dds.fi

dds.ind.br

dds.com.sg

dds.plus

dds.nu

dds.pt

dds.com.mk

dds.equipment

dds.su

dds.biz

dds.it

dds.in

dds.education

dds.design

dds.ltd

dds.be

dds.gmbh

dds.eu

dds.ua

dds.edu.ua

dds.hk

dds.net

dds.se

dds.services

dds.dp.ua

dds.co.jp

dds.com.mx

dds.kz

dds.life

dds.com.co

dds.de

dds.vn

dds.world

dds.ec

Similar names

dsd.edu.gh

dsd.kz

dsd.vn

sdd.de

sdd.systems

sdd.be

dsd.gr

sdd.com.pl

sdd.pt

dsd.pt

dsd.network

sdd.net.cn

sdd.biz

dsd.go.th

sdd.org.tr

dsd.ca

sdd.org

dsd.me

dsd.si

sdd.co

dsd.nl

dsd.org

dsd.be

dsd.ee

sdd.hr

sdd.in

sdd.mx

dsd.gov.za

sdd.pl

sdd.org.ua

dsd.akamaized.net

sdd.info

sdd.jp

dsd.cz

sdd.me

sdd.com.sg

dsd.gov.hk

dsd.fr

sdd.com.ar

sdd.dk

sdd.net.br

dsd.ro

sdd.ai

dsd.ba

dsd.com.tr

sdd.co.il

dsd.gov.au

sdd.sk

sdd.us

sdd.no

dsd.cl

dsd.jp

sdd.com

DNS History

8 records (8 active, 0 former)

●NSns4.tenten.vn2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:25:56
● 2026-05-09 10:22:50

●NSns5.tenten.vn2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:25:56
● 2026-05-09 10:22:50

●NSns6.tenten.vn2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:25:56
● 2026-05-09 10:22:50

●MXalt2.aspmx.l.google.com2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:25:56
● 2026-05-09 10:22:50

●MXaspmx.l.google.com2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:25:56
● 2026-05-09 10:22:50

●MXaspmx2.googlemail.com2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:25:56
● 2026-05-09 10:22:50

●MXaspmx3.googlemail.com2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:25:56
● 2026-05-09 10:22:50

●A14.224.230.592026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:25:56
● 2026-05-09 10:22:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
dds.edu.vn	ns6.tenten.vn, ns4.tenten.vn, ns5.tenten.vn	-

✅ Authoritative Response

Server:52.74.6.184

NS records: ns6.tenten.vn, ns4.tenten.vn, ns5.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2339ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`14.224.230.59`
NS	3	`NS5.TENTEN.vn, NS6.TENTEN.vn...`
MX	4	`aspmx2.googlemail.com (pri: 10), aspmx3.googlemail.com (pri: 10)...`
TXT	1	`google-site-verification=s3FTgJUKnPCt41Z`
SOA	1	`ns4.tenten.vn hostmaster.dds.edu.vn`