`smartnet.net.vn`

DNSSEC	⚠️ Not signed
A	125.212.220.39^{🇻🇳 AS7552125.212.208.0/20}
NS	`ns3.vinahost.vn` ⭐ ⚠️ Not in zone NS records
		A	125.212.217.199^{🇻🇳 AS7552125.212.208.0/20}
NS	`ns4.vinahost.vn` ⚠️ Not in zone NS records
		A	123.30.139.119
SOA	`ns3.vinahost.vn`support@vinahost.vn 2025-11-07 #1

`net.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 2018-01-12 #80

Subdomains

webmail.smartnet.net.vn

mail.smartnet.net.vn

Same first word

smartnet.nl

smartnet.com.ph

smartnet.com.ro

smartnet.co.uk

smartnet.sk

smartnet.asia

smartnet.ch

smartnet.gdn

smartnet.net.nz

smartnet.com.br

smartnet.is

smartnet.com.vn

smartnet.bg

smartnet.az

smartnet.tn

smartnet.com.ss

smartnet.cl

smartnet.com

smartnet.cc

smartnet.co.kr

smartnet.net.vn

smartnet.co

smartnet.ph

smartnet.live

smartnet.com.au

smartnet.ec

smartnet.com.ua

smartnet.co.za

smartnet.net

smartnet.me

smartnet.jp

smartnet.org

smartnet.online

smartnet.it

smartnet.net.br

smartnet.eu

smartnet.co.th

smartnet.kg

smartnet.ge

smartnet.at

smartnet.cz

smartnet.cn

smartnet.kz

smartnet.de

smartnet.tv

smartnet.lv

smartnet.su

smartnet.ovh

smartnet.biz

smartnet.fi

smartnet.se

smartnet.com.tr

smartnet.vi

smartnet.be

smartnet.com.mx

smartnet.gr

smartnet.xyz

smartnet.tv.br

smartnet.us

smartnet.com.my

smartnet.com.ar

smartnet.co.zm

smartnet.email

smartnet.rs

smartnet.ru

DNS History

7 records (3 active, 4 former)

●NSns3.vinahost.vn2021-04-09 → 2026-05-11 · 2 obs

● 2021-04-09 05:53:42
● 2026-05-11 22:25:44

●NSns4.vinahost.vn2021-04-09 → 2026-05-11 · 2 obs

● 2021-04-09 05:53:42
● 2026-05-11 22:25:44

○MXe.vinahost.vn2021-04-09 → 2021-04-09 · 3 obs

● 2021-04-09 05:53:42
○ 2026-05-01 14:26:46
○ 2026-05-11 22:25:44

○MXvdc-pm-mailgw-01.vinahost.org2026-05-01 → 2026-05-11 · 31 obs

○ 2021-04-09 05:53:42
● 2026-05-01 14:26:46
● 2026-05-09 22:32:54
○ 2026-05-10 01:47:16
○ 2026-05-10 02:25:36
● 2026-05-10 04:19:12
● 2026-05-10 04:58:58
○ 2026-05-10 07:02:36
● 2026-05-10 08:15:04
○ 2026-05-10 08:51:36
○ 2026-05-10 11:51:56
● 2026-05-10 12:41:12
● 2026-05-10 13:56:18
○ 2026-05-10 14:47:00
● 2026-05-10 15:52:34
● 2026-05-10 20:14:00
○ 2026-05-10 22:33:48
○ 2026-05-10 23:39:32
● 2026-05-11 00:23:56
○ 2026-05-11 01:06:00
○ 2026-05-11 02:03:38
● 2026-05-11 02:36:02
○ 2026-05-11 03:06:50
● 2026-05-11 04:36:34
○ 2026-05-11 05:35:10
● 2026-05-11 07:06:40
○ 2026-05-11 10:26:14
○ 2026-05-11 11:55:14
● 2026-05-11 12:41:52
○ 2026-05-11 14:04:58
○ 2026-05-11 22:25:44

○MXvt-pm-mailgw-01.vinahost.org2026-05-01 → 2026-05-11 · 31 obs

●A125.212.220.392026-05-01 → 2026-05-11 · 27 obs

○ 2021-04-09 05:53:42
● 2026-05-01 14:26:46
● 2026-05-09 22:32:54
○ 2026-05-10 01:47:16
○ 2026-05-10 02:25:36
● 2026-05-10 04:19:12
● 2026-05-10 04:58:58
○ 2026-05-10 07:02:36
● 2026-05-10 08:15:04
● 2026-05-10 08:51:36
○ 2026-05-10 11:10:36
● 2026-05-10 11:51:56
● 2026-05-10 12:41:12
○ 2026-05-10 13:56:18
○ 2026-05-10 14:47:00
● 2026-05-10 15:52:34
● 2026-05-10 20:14:00
○ 2026-05-10 22:33:48
● 2026-05-10 23:39:32
● 2026-05-11 01:06:00
○ 2026-05-11 02:03:38
● 2026-05-11 02:36:02
● 2026-05-11 07:06:40
○ 2026-05-11 10:26:14
○ 2026-05-11 11:09:06
● 2026-05-11 11:55:14
● 2026-05-11 22:25:44

○A210.211.122.2242021-04-09 → 2021-04-09 · 3 obs

● 2021-04-09 05:53:42
○ 2026-05-01 14:26:46
○ 2026-05-11 22:25:44

🔍 DNS Trace

Analysis

Hierarchy

smartnet.net.vn is parent of webmail.smartnet.net.vn and mail.smartnet.net.vn.

IP Addresses

smartnet.net.vn points to a single IP number: 125.212.220.39.

Other host names, for instance sukienhunghanh.vn, pop.quangcaohungthinh.com.vn, www.vdsmart.vn, vdtsteel.com.vn and sieuthiangiabao.com share IP numbers with smartnet.net.vn.

Name Servers

smartnet.net.vn is delegated to two name servers: ns3.vinahost.vn and ns4.vinahost.vn.

Host names with one IP number:

ns3.vinahost.vn points to: 125.212.217.199.

ns4.vinahost.vn points to: 123.30.139.119.

smartnet.net.vn - robtex.com

smartnet.net.vn

net.vn