`mail.smartex.com.vn`

DNSSEC	⚠️ Not signed
A	117.122.125.107^{🇻🇳 VNNIC117.122.124.0/22 -AS-VN}
		PTR	`biz.vnnic.vn`
		PTR	`speakers.vnnic.vn`

`smartex.com.vn`

	DNSSEC	⚠️ Not signed
	A	117.122.125.107^{🇻🇳 VNNIC117.122.124.0/22 -AS-VN}
	NS	`ns-hold.vnnic.vn` ⚠️ Not in zone NS records

Previously MX for

smartex.com.vn

Same first word

mail.cat

mail.vin

mail.stripper.jp

mail.ciao.jp

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mail.realm.cz

mail.vu

mail.center

mail.fi

mail.kg

mail.mayfirst.org

mail.systems

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mail.gov.ps

mail.ml

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mail.serveftp.com

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mail.virtualuser.de

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mail.ap.gov.br

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mail.ilovecollege.info

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mail.community

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mail.net.mk

mail.rj.gov.br

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DNS History

2 records (1 active, 1 former)

●A117.122.125.1072026-05-04 → 2026-05-10 · 3 obs

○ 2016-03-05 21:03:58
● 2026-05-04 14:29:00
● 2026-05-10 18:10:22

○A192.169.255.1152016-03-05 → 2016-03-05 · 3 obs

● 2016-03-05 21:03:58
○ 2026-05-04 14:29:00
○ 2026-05-10 18:10:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	h.dns-servers.vn, b.dns-servers.vn, a.dns-servers.vn, f.dns-servers.vn...	-
smartex.com.vn	ns-hold.vnnic.vn	-

✅ Authoritative Response

Server:117.122.125.107

NS records: ns-hold.vnnic.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartex.com.vn (unsigned zone)

⏱️ Timing

Total: 1944ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`117.122.125.107`

Analysis

IP Addresses

mail.smartex.com.vn points to a single IP: 117.122.125.107.

Other host names, for instance dddd.hostmaster.mamnonhungtien.edu.vn, en.nhanlucso.org.vn, hopgiaysaigon.com.vn, mail.s-design.vn and www.lehuong.edu.vn share IP numbers with mail.smartex.com.vn.

mail.smartex.com.vn - robtex.com