`mail.sieuthinghenhin.com`

DNSSEC	⚠️ Not signed
A	210.245.87.177^{🇻🇳 FPT-AS-AP210.245.87.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
		PTR	`mail.vinaseo.com.vn`

`sieuthinghenhin.com`

	DNSSEC	⚠️ Not signed
	A	210.245.87.177^{🇻🇳 FPT-AS-AP210.245.87.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
	NS	`ns1.matbao.vn` ⭐ ⚠️ Not in parent delegation
	NS	`ns-bak.matbao.com` ⚠️ 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.sieuthinghenhin.com` ⭐
	TXT	`v=spf1 mx ~all`
	SOA	`ns1.matbao.vn`admin@matbao.com serial=14122025

MX for

sieuthinghenhin.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A210.245.87.1772015-05-31 → 2026-05-05 · 6 obs

● 2015-05-31 07:37:46
● 2015-10-23 01:31:20
○ 2016-01-15 21:39:40
○ 2016-04-07 18:08:22
● 2026-03-03 13:06:28
● 2026-05-05 22:00:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net...	-
sieuthinghenhin.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 sieuthinghenhin.com (unsigned zone)

⏱️ Timing

Total: 555ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.245.87.177`

📌 Glue Records Collected

Total: 4

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

Analysis

Mail Server Role

mail.sieuthinghenhin.com handles mail for sieuthinghenhin.com.

IP Addresses

mail.sieuthinghenhin.com points to a single IP address: 210.245.87.177.

Other host names such as mail.moctreophukien.vn, mail.bacsilan.com, mail.thietbivesinhnhapkhau.com.vn, mail.datvangdatbac.com and mail.lioa.net share IPs with mail.sieuthinghenhin.com.

mail.sieuthinghenhin.com - robtex.com