`mail.htx.vn`

CNAME	`htx.vn`
DNSSEC	⚠️ Not signed
A	45.119.84.172^{🇻🇳 LVSS-AS-VN45.119.84.0/24 LVSS-VN}
		PTR	`cp-apac08.hvn.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}
			PTR	`cp-apac08.hvn.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}
			PTR	`cp-apac08.hvn.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}
			PTR	`cp-apac08.hvn.vn`
MX	`htx.vn` ⭐
		A	45.119.84.172^{🇻🇳 LVSS-AS-VN45.119.84.0/24 LVSS-VN}
			PTR	`cp-apac08.hvn.vn`
TXT	`v=spf1 +a +mx +ip4:45.119.84.172 ~all`
SOA	`x.hkda.vn`kythuat@hkda.vn 2025-10-12 #0

`htx.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
	NS	`b.url.com.vn` ⚠️ Not in zone NS records
	NS	`s.url.com.vn` ⚠️ Not in zone NS records
	NS	`y.hkda.vn` ⚠️ Not in parent delegation
	NS	`z.hkda.vn` ⚠️ Not in parent delegation
	MX	`htx.vn` ⭐
	TXT	`v=spf1 +a +mx +ip4:45.119.84.172 ~all`
	SOA	`x.hkda.vn`kythuat@hkda.vn 2025-10-12 #0

Previously MX for

htx.vn

Same first word

mail.edu.tw

mail.dnsalias.net

mail.pro.br

mail.ne.jp

mail.co.jp

mail.be

mail.com.vn

mail.how

mail.in-brb.de

mail.ro

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mail.neustar

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mail.broker

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mail.ca

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mail.org.br

mail.technology

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mail.edu.az

mail.global

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mail.whitesnow.jp

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mail.gd

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mail.partners

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mail.town

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mail.com.br

mail.com.ph

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mail.bike

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mail.gov.bm

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mail.guru

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mail.host

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DNS History

4 records (1 active, 3 former)

○A203.119.8.1112015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 23:11:50
○ 2026-05-08 15:10:34
○ 2026-05-08 15:10:36

○A203.162.16.912015-11-30 → 2016-03-03 · 5 obs

○ 2015-08-13 23:11:50
● 2015-11-30 17:11:22
● 2016-03-03 06:59:00
○ 2016-06-30 08:45:50
○ 2026-05-08 15:10:36

●CNAMEhtx.vn2026-05-08 → 2026-05-08 · 3 obs

○ 2015-11-30 17:11:22
● 2026-05-08 15:10:34
● 2026-05-08 15:10:36

○CNAMEthongbao.vnnic.vn2015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 23:11:50
○ 2015-11-30 17:11:22
○ 2026-05-08 15:10:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	f.dns-servers.vn, d.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...	-
htx.vn	s.url.com.vn, b.url.com.vn	-

✅ Authoritative Response

Server:45.119.84.172

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for htx.vn (unsigned zone)

⏱️ Timing

Total: 1662ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`htx.vn`

Analysis

IP Addresses

mail.htx.vn points to a single IP: 45.119.84.172.

Other host names, for instance webmail.web.edu.vn, nav.vn, alu.vn, vyp.vn and onaplioa.vn share IP numbers with mail.htx.vn.

Name Servers

mail.htx.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.

mail.htx.vn at least partially shares its name servers with other domains, for instance cpe.com.vn, vinhhao.vn, mkc.vn, gmg.com.vn and hsb.com.vn.