`mail.ferrumplus.vn`

DNSSEC	⚠️ Not signed
A	139.162.43.152^{🇸🇬 AKAMAI-LINODE-AP139.162.32.0/19 Akamai Technologies}
		PTR	`li1456-152.members.linode.com`

`ferrumplus.vn`

	DNSSEC	⚠️ Not signed
	A	210.245.8.138^{🇻🇳 FPT-AS-AP210.245.8.0/21 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.pavietnam.vn` ⭐
	NS	`ns1.dotvndns.vn`
	NS	`ns2.dotvndns.vn`
	NS	`nsbak.dotvndns.com`
	MX	`mail.ferrumplus.vn` ⭐
	TXT	`spf1amx~all`
	SOA	`ns1.pavietnam.vn`hostmaster@ferrumplus.vn 2021-09-15 #3

MX for

ferrumplus.vn

Same first word

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DNS History

1 record (1 active, 0 former)

●A139.162.43.1522020-03-01 → 2026-04-14 · 2 obs

● 2020-03-01 16:08:20
● 2026-04-14 07:36:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	g.dns-servers.vn, e.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn...	16 records
ferrumplus.vn	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	4 records

✅ Authoritative Response

Server:112.213.89.22

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ferrumplus.vn (unsigned zone)

⏱️ Timing

Total: 2339ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.162.43.152`

📌 Glue Records Collected

Total: 20

In-bailiwick: 16 (h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn...)

Out-of-bailiwick: 4 (ns2.dotvndns.vn, ns1.dotvndns.vn, ns2.dotvndns.vn...)

Analysis

Mail Server Role

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

IP Addresses

mail.ferrumplus.vn points to a single IP address: 139.162.43.152.

Other host names such as li1456-152.members.linode.com, mail.nhatranglove.com, mail.kss.edu.vn, mail.dientuhte.com and mail.greenfamily.com.vn share IP numbers with mail.ferrumplus.vn.

mail.ferrumplus.vn - robtex.com