`mail.hai-van.com`

DNSSEC	⚠️ Not signed
A	49.156.54.172^{🇻🇳 DSP-AS-VN49.156.54.0/24 DSP-VN}
		PTR	`zmail.dsp.vn`

`hai-van.com`

	DNSSEC	⚠️ Not signed
	A	103.42.59.6^{🇻🇳 VTN-1103.42.59.0/24 VNPT-Customer-Digital World Data Online}
	NS	`ns1.matbao.vn` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.matbao.com` ⚠️ Not in zone NS records
	NS	`ns2.matbao.com` ⚠️ Not in zone NS records
	NS	`ns2.matbao.vn` ⚠️ Not in parent delegation
	MX	`mail.hai-van.com` ⭐
	TXT	`v=spf1 ip4:49.156.54.172 include:_spf.google.com include:zmail.dsp.vn include...`
	SOA	`ns1.matbao.vn`admin@matbao.com 2026-03-09 #1

MX for

hai-van.com

Same first word

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mail.co.il

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mail.uy

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mail.training

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mail.mysecuritycamera.com

mail.microsoft

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mail.org.in

mail.deals

mail.edu.pl

mail.cfolks.pl

mail.cm

mail.go.th

Similar names

mail.pm

mail.wf

laim.ch

mail.ltd

mail.com.pe

lima.fr

liam.fr

mila.tv

mail.marketing

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mail.fage

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imal.rs

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mali.tv

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aiml.co

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lmia.ma

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alim.co

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DNS History

4 records (1 active, 3 former)

○A112.213.93.1732016-09-03 → 2016-12-22 · 5 obs

○ 2016-03-30 06:06:18
● 2016-09-03 00:56:46
● 2016-12-22 12:39:20
○ 2026-03-19 11:01:04
○ 2026-04-05 10:35:46

○A118.69.199.312015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 01:37:38
○ 2015-10-28 03:23:24
○ 2026-04-05 10:35:46

○A222.255.237.782015-10-28 → 2016-03-30 · 5 obs

○ 2015-05-09 01:37:38
● 2015-10-28 03:23:24
● 2016-03-30 06:06:18
○ 2016-09-03 00:56:46
○ 2026-04-05 10:35:46

●A49.156.54.1722026-03-19 → 2026-04-05 · 3 obs

○ 2016-12-22 12:39:20
● 2026-03-19 11:01:04
● 2026-04-05 10:35:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
hai-van.com	ns1.matbao.com, ns2.matbao.com	4 records

✅ Authoritative Response

Server:103.110.128.60

NS records: ns1.matbao.com, ns2.matbao.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hai-van.com (unsigned zone)

⏱️ Timing

Total: 576ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.156.54.172`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.matbao.com, ns1.matbao.com, ns2.matbao.com...)

Analysis

Mail Server Role

mail.hai-van.com handles mail for hai-van.com.

IP Addresses

mail.hai-van.com points to a single IP address: 49.156.54.172.

Other host names, such as zmail.dsp.vn and mail.zmail.dsp.vn, share IP numbers with mail.hai-van.com.

mail.hai-van.com - robtex.com

mail.hai-van.com

hai-van.com