`vdu.vn`

DNSSEC	⚠️ Not signed
A	14.241.244.242^{🇻🇳 VTN-114.241.240.0/21 VNPT-Net}
NS	`ns1.vietnix.net` ⭐
		A	103.200.22.22^{🇻🇳 VNPT-AS-VN103.200.22.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
NS	`ns2.vietnix.net`
		A	103.200.20.20^{🇻🇳 VNPT-AS-VN103.200.20.0/24 VNPT-NET}
NS	`nsbak.vietnix.net` ⚠️ Not in parent delegation
		A	103.90.226.137^{🇻🇳 VNPT-AS-VN103.90.226.0/24 VNXCLOUD-VN}
SOA	`ns1.vietnix.net`hostmaster@vdu.vn 2026-01-05 #2

`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=2030750545

Same first word

vdu.edu.vn

vdu.at

vdu.ca

vdu.fr

vdu.de

vdu.com

vdu.net

vdu.org

vdu.dk

vdu.eu

vdu.co

vdu.ru

vdu.cz

vdu.ch

vdu.in

vdu.it

vdu.sk

vdu.pl

vdu.lt

vdu.by

vdu.se

vdu.vn

vdu.cc

vdu.be

vdu.si

vdu.cn

vdu.nl

Similar names

dvu.se

dvu.ch

dvu.eu

vud.biz

udv.ru

uvd.it

dvu.com.au

dvu.nu

vud.sk

vud.nl

vud.se

uvd.in

duv.fr

duv.org

duv.com

dvu.cc

dvu.workers.dev

duv.pl

duv.cn

dvu.it

udv.fr

dvu.net

dvu.nl

vud.net

vud.com

dvu.cn

uvd.nov.ru

dvu.biz

vud.co.jp

vud.in

uvd.fr

duv.es

duv.fi

duv.co

uvd.co

dvu.ru

udv.com

duv.co.uk

uvd.nl

vud.eu

udv.dk

uvd.ru

duv.ru

udv.es

dvu.tv

dvu.pl

duv.agency

uvd.eu

udv.eu

udv.nl

duv.it

uvd.be

uvd.de

udv.de

dvu.info

udv.hu

uvd.ch

uvd.se

dvu.bg

vud.fr

duv.dk

dvu.in

duv.in

uvd.com

udv.ch

udv.cz

duv.us

udv.org.br

udv.group

vud.com.cn

udv.co

udv.edu.mx

duv.net

uvd.jp

uvd.net

vud.cn

vud.name

duv.eu

duv.be

udv.hr

vud.it

uvd.ca

vud.ch

duv.de

udv.se

uvd.fi

vud.te.ua

dvu.co.uk

udv.co.uk

uvd.zp.ua

duv.ax

vud.cz

duv.ro

dvu.com

uvd.info

uvd.ro

dvu.es

udv.be

uvd.at

uvd.com.au

dvu.org

uvd.co.uk

udv.com.br

dvu.no

uvd.pl

dvu.be

dvu.ro

uvd.services

duv.lt

dvu.dk

vud.org

dvu.de

udv.edu.gt

DNS History

23 records (4 active, 19 former)

○NSlia.ns.cloudflare.com2021-03-20 → 2021-03-20 · 4 obs

○ 2017-12-29 09:04:48
● 2021-03-20 17:35:06
○ 2026-05-01 10:47:58
○ 2026-05-09 03:51:30

○NSns1.dotvndns.vn2015-12-15 → 2015-12-15 · 4 obs

○ 2015-09-23 22:45:38
● 2015-12-15 10:34:16
○ 2016-01-16 04:12:30
○ 2026-05-09 03:51:30

○NSns1.pavietnam.vn2015-09-23 → 2017-12-29 · 11 obs

● 2015-09-23 22:45:38
○ 2015-12-15 10:34:16
● 2016-01-16 04:12:30
○ 2016-03-30 03:14:42
● 2016-08-14 10:45:32
○ 2016-10-01 22:45:28
○ 2016-12-05 13:36:50
● 2016-12-22 18:22:12
● 2017-12-29 09:04:48
○ 2021-03-20 17:35:06
○ 2026-05-09 03:51:30

●NSns1.vietnix.net2026-05-01 → 2026-05-09 · 3 obs

○ 2021-03-20 17:35:06
● 2026-05-01 10:47:58
● 2026-05-09 03:51:30

○NSns2.dotvndns.vn2015-12-15 → 2015-12-15 · 4 obs

○ 2015-09-23 22:45:38
● 2015-12-15 10:34:16
○ 2016-01-16 04:12:30
○ 2026-05-09 03:51:30

○NSns2.pavietnam.vn2015-09-23 → 2017-12-29 · 11 obs

● 2015-09-23 22:45:38
○ 2015-12-15 10:34:16
● 2016-01-16 04:12:30
● 2016-03-30 03:14:42
○ 2016-08-14 10:45:32
● 2016-10-01 22:45:28
● 2016-12-05 13:36:50
○ 2016-12-22 18:22:12
● 2017-12-29 09:04:48
○ 2021-03-20 17:35:06
○ 2026-05-09 03:51:30

●NSns2.vietnix.net2026-05-01 → 2026-05-09 · 3 obs

○ 2021-03-20 17:35:06
● 2026-05-01 10:47:58
● 2026-05-09 03:51:30

●NSnsbak.vietnix.net2026-05-01 → 2026-05-09 · 3 obs

○ 2021-03-20 17:35:06
● 2026-05-01 10:47:58
● 2026-05-09 03:51:30

○NStheo.ns.cloudflare.com2021-03-20 → 2021-03-20 · 4 obs

○ 2017-12-29 09:04:48
● 2021-03-20 17:35:06
○ 2026-05-01 10:47:58
○ 2026-05-09 03:51:30

○MXmx.zohomail.com2015-09-23 → 2016-12-22 · 4 obs

● 2015-09-23 22:45:38
● 2016-12-22 18:22:12
○ 2017-07-18 20:07:42
○ 2026-05-09 03:51:30

○MXmx2.zohomail.com2015-09-23 → 2016-12-22 · 4 obs

● 2015-09-23 22:45:38
● 2016-12-22 18:22:12
○ 2017-07-18 20:07:42
○ 2026-05-09 03:51:30

○A104.21.74.1372021-03-20 → 2021-03-20 · 4 obs

○ 2017-12-29 09:04:48
● 2021-03-20 17:35:06
○ 2026-05-01 10:47:58
○ 2026-05-09 03:51:30

○A112.213.89.32017-11-02 → 2017-12-29 · 5 obs

○ 2017-07-18 20:07:42
● 2017-11-02 02:32:44
● 2017-12-29 09:04:48
○ 2021-03-20 17:35:06
○ 2026-05-09 03:51:30

●A14.241.244.2422026-05-01 → 2026-05-09 · 3 obs

○ 2021-03-20 17:35:06
● 2026-05-01 10:47:58
● 2026-05-09 03:51:30

○A172.67.158.2472021-03-20 → 2021-03-20 · 4 obs

○ 2017-12-29 09:04:48
● 2021-03-20 17:35:06
○ 2026-05-01 10:47:58
○ 2026-05-09 03:51:30

○A216.239.32.212015-09-23 → 2017-07-18 · 4 obs

● 2015-09-23 22:45:38
● 2017-07-18 20:07:42
○ 2017-11-02 02:32:44
○ 2026-05-09 03:51:30

○A216.239.34.212015-09-23 → 2017-07-18 · 4 obs

● 2015-09-23 22:45:38
● 2017-07-18 20:07:42
○ 2017-11-02 02:32:44
○ 2026-05-09 03:51:30

○A216.239.36.212015-09-23 → 2017-07-18 · 4 obs

● 2015-09-23 22:45:38
● 2017-07-18 20:07:42
○ 2017-11-02 02:32:44
○ 2026-05-09 03:51:30

○A216.239.38.212015-09-23 → 2017-07-18 · 4 obs

● 2015-09-23 22:45:38
● 2017-07-18 20:07:42
○ 2017-11-02 02:32:44
○ 2026-05-09 03:51:30

○A2606:4700:3032::6815:4a892021-03-20 → 2021-03-20 · 4 obs

○ 2017-12-29 09:04:48
● 2021-03-20 17:35:06
○ 2026-05-01 10:47:58
○ 2026-05-09 03:51:30

○A2606:4700:3034::ac43:9ef72021-03-20 → 2021-03-20 · 4 obs

○ 2017-12-29 09:04:48
● 2021-03-20 17:35:06
○ 2026-05-01 10:47:58
○ 2026-05-09 03:51:30

○A64.233.187.1212016-03-30 → 2017-07-18 · 5 obs

○ 2016-01-16 04:12:30
● 2016-03-30 03:14:42
● 2017-07-18 20:07:42
○ 2017-11-02 02:32:44
○ 2026-05-09 03:51:30

○A74.125.129.1212015-09-23 → 2016-01-16 · 4 obs

● 2015-09-23 22:45:38
● 2016-01-16 04:12:30
○ 2016-03-30 03:14:42
○ 2026-05-09 03:51:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
vdu.vn	ns2.vietnix.net, ns1.vietnix.net	-

✅ Authoritative Response

Server:103.200.22.22

NS records: ns2.vietnix.net, ns1.vietnix.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vdu.vn (unsigned zone)

⏱️ Timing

Total: 1773ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`14.241.244.242`
NS	3	`ns2.vietnix.net, ns1.vietnix.net...`
SOA	1	`ns1.vietnix.net hostmaster.vdu.vn`

Analysis

IP Addresses

vdu.vn maps to IP address 14.241.244.242.

Name Servers

vdu.vn is delegated to name servers ns1.vietnix.net, ns2.vietnix.net and nsbak.vietnix.net.

vdu.vn at least partially shares name servers with other domains such as 79ceo.com, hanoixua2003.com, egosolar.com.vn, ddhexport.com and vitrust.com.vn.

Host names with a single IP:

ns1.vietnix.net points to 103.200.22.22

ns2.vietnix.net points to 103.200.20.20

nsbak.vietnix.net points to 103.90.226.137

vdu.vn - robtex.com

vdu.vn

vn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`vdu.vn`

`vn`