`hro.vn`

DNSSEC	⚠️ Not signed
A	45.119.84.172^{🇻🇳 LVSS-AS-VN45.119.84.0/24 LVSS-VN}
NS	`x.hkda.vn` ⭐ ⚠️ Not in parent delegation
		A	167.114.147.95^{🇨🇦 OVH167.114.128.0/18 Hosting route}
NS	`b.url.com.vn` ⚠️ Not in zone NS records
		A	45.119.84.172^{🇻🇳 LVSS-AS-VN45.119.84.0/24 LVSS-VN}
NS	`s.url.com.vn` ⚠️ Not in zone NS records
		A	45.119.84.172^{🇻🇳 LVSS-AS-VN45.119.84.0/24 LVSS-VN}
NS	`y.hkda.vn` ⚠️ Not in parent delegation
		A	51.79.210.111^{🇸🇬 OVH51.79.128.0/17 Hosting route}
NS	`z.hkda.vn` ⚠️ Not in parent delegation
		A	45.119.84.172^{🇻🇳 LVSS-AS-VN45.119.84.0/24 LVSS-VN}
MX	`hro.vn` ⭐
		A	45.119.84.172^{🇻🇳 LVSS-AS-VN45.119.84.0/24 LVSS-VN}
TXT	`v=spf1 +a +mx +ip4:45.119.84.172 ~all`
SOA	`x.hkda.vn`kythuat@hkda.vn 2025-10-12 #0

`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=2030756743

MX for

hro.vn

Same first word

hro.be

hro.dk

hro.fr

hro.com.pl

hro.cz

hro.nl

hro.gg

hro.se

hro.com.mx

hro.ee

hro.it

hro.network

hro.dev

hro.or.jp

hro.guide

hro.ca

hro.cn

hro.vn

hro.in

hro.biz

hro.es

hro.fi

hro.net

hro.cl

hro.org.ua

hro.com.vn

hro.us

hro.med.br

hro.de

hro.at

hro.io

hro.jp

hro.bz

hro.pl

hro.org.br

hro.co.in

hro.com.au

hro.co.uk

hro.org

hro.li

hro.asia

hro.mobi

hro.com

hro.ro

hro.com.br

hro.tel

hro.no

Similar names

orh.cz

rho.nu

ohr.se

roh.co.il

hor.org

orh.com.au

hor.cc

orh.pl

ohr.co

ohr.de

roh.cc

orh.se

hor.ru

roh.ir

orh.com.cn

rho.gr

orh.co.il

hor.nu

ohr.cl

hor.co.zw

orh.sub.jp

hor.net

ohr.co.uk

ohr.ru

roh.es

rho.ca

hor.biz

hor.to

ohr.org.il

hor.co

hor.dk

roh.nl

ohr.org

rho.be

rho.pl

rho.tv

roh.engineering

hor.by

roh.ro

ohr.co.in

hor.no

orh.de

hor.de

ohr.edu

roh.gr

rho.industries

rho.cn

orh.us

rho.us

hor.mn

rho.sh

roh.se

rho.sk

roh.ch

hor.hu

orh.co

rho.red

roh.us

rho.org

rho.vm.bytemark.co.uk

rho.de

hor.pl

rho.it

roh.uz

orh.org.uk

ohr.fi

ohr.me

hor.net.pl

roh.uk

roh.org.uk

orh.myqnapcloud.com

orh.ch

roh.name

ohr.com

orh.nhs.uk

roh.co

ohr.cz

roh.info

rho.net

roh.de

orh.net

ohr.dk

ohr.nl

orh.mobi

hor.cz

ohr.pl

hor.at

orh.ru

hor.es

rho.mx

rho.ai

ohr.kr

rho.co

ohr.co.nz

hor.com.ua

roh.be

rho.nl

hor.info

DNS History

12 records (7 active, 5 former)

●NSb.url.com.vn2026-04-30 → 2026-05-11 · 3 obs

○ 2021-10-31 18:27:14
● 2026-04-30 17:05:58
● 2026-05-11 02:54:52

○NSns-master.inet.vn2019-12-25 → 2021-10-31 · 4 obs

● 2019-12-25 19:37:42
● 2021-10-31 18:27:14
○ 2026-04-30 17:05:58
○ 2026-05-11 02:54:52

○NSns1.inet.vn2019-12-25 → 2021-10-31 · 4 obs

● 2019-12-25 19:37:42
● 2021-10-31 18:27:14
○ 2026-04-30 17:05:58
○ 2026-05-11 02:54:52

○NSns2.inet.vn2019-12-25 → 2021-10-31 · 4 obs

● 2019-12-25 19:37:42
● 2021-10-31 18:27:14
○ 2026-04-30 17:05:58
○ 2026-05-11 02:54:52

●NSs.url.com.vn2026-04-30 → 2026-05-11 · 3 obs

○ 2021-10-31 18:27:14
● 2026-04-30 17:05:58
● 2026-05-11 02:54:52

●NSx.hkda.vn2026-04-30 → 2026-05-11 · 6 obs

○ 2021-10-31 18:27:14
● 2026-04-30 17:05:58
● 2026-04-30 17:56:04
○ 2026-04-30 23:31:26
● 2026-05-01 00:08:10
● 2026-05-11 02:54:52

●NSy.hkda.vn2026-04-30 → 2026-05-11 · 20 obs

○ 2021-10-31 18:27:14
● 2026-04-30 17:05:58
○ 2026-04-30 17:56:04
○ 2026-04-30 23:31:26
● 2026-05-01 00:08:10
● 2026-05-01 00:57:12
○ 2026-05-01 01:29:00
○ 2026-05-01 02:02:52
● 2026-05-01 02:40:32
○ 2026-05-01 03:51:36
○ 2026-05-01 06:17:12
● 2026-05-01 07:41:36
● 2026-05-01 12:11:58
○ 2026-05-01 12:46:38
● 2026-05-01 13:18:58
● 2026-05-01 14:28:54
○ 2026-05-01 15:06:38
○ 2026-05-01 15:39:52
● 2026-05-01 16:14:18
● 2026-05-11 02:54:52

●NSz.hkda.vn2026-04-30 → 2026-05-11 · 20 obs

●MXhro.vn2026-04-30 → 2026-05-11 · 20 obs

○MXmx.yandex.net2019-12-25 → 2021-10-31 · 4 obs

● 2019-12-25 19:37:42
● 2021-10-31 18:27:14
○ 2026-04-30 17:05:58
○ 2026-05-11 02:54:52

○A14.225.7.1812019-12-25 → 2021-10-31 · 4 obs

● 2019-12-25 19:37:42
● 2021-10-31 18:27:14
○ 2026-04-30 17:05:58
○ 2026-05-11 02:54:52

●A45.119.84.1722026-04-30 → 2026-05-11 · 20 obs

○ 2021-10-31 18:27:14
● 2026-04-30 17:05:58
○ 2026-04-30 17:56:04
○ 2026-04-30 23:31:26
● 2026-05-01 00:08:10
○ 2026-05-01 00:57:12
○ 2026-05-01 02:02:52
● 2026-05-01 02:40:32
● 2026-05-01 03:51:36
○ 2026-05-01 04:45:22
○ 2026-05-01 06:17:12
● 2026-05-01 07:41:36
● 2026-05-01 12:11:58
○ 2026-05-01 12:46:38
● 2026-05-01 13:18:58
● 2026-05-01 14:28:54
○ 2026-05-01 15:06:38
○ 2026-05-01 15:39:52
● 2026-05-01 16:14:18
● 2026-05-11 02:54:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
hro.vn	b.url.com.vn, s.url.com.vn	-

✅ Authoritative Response

Server:45.119.84.172

NS records: b.url.com.vn, s.url.com.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hro.vn (unsigned zone)

⏱️ Timing

Total: 1756ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.119.84.172`
NS	3	`y.hkda.vn, x.hkda.vn...`
MX	1	`hro.vn (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:45.119.84.172 ~all`
SOA	1	`x.hkda.vn kythuat.hkda.vn`

Analysis

Mail Server Role

hro.vn serves as the mail server for hro.vn.

IP Addresses

hro.vn points to a single IP address: 45.119.84.172.

Other host names such as clg.vn, xenforo.edu.vn, loi.vn, vbc.com.vn and gpg.vn share IP numbers with hro.vn.

Name Servers

hro.vn is delegated to five name servers: x.hkda.vn, y.hkda.vn, z.hkda.vn, b.url.com.vn and s.url.com.vn.

At least part of the name servers for hro.vn are shared with other domains, for instance ttb.vn, aws.vn, chococ.com.vn, inv.com.vn and blc.com.vn.