`mail.itslongan.com`

DNSSEC	⚠️ Not signed
A	103.20.147.7^{🇻🇳 DTS-AS-AP103.20.144.0/22 DTSTELECOM-VN}
		PTR	`mail.itslongan.com`

`itslongan.com`

	DNSSEC	⚠️ Not signed
	A	103.20.147.7^{🇻🇳 DTS-AS-AP103.20.144.0/22 DTSTELECOM-VN}
	NS	`ns1.matbao.com` ⭐
	NS	`ns2.matbao.com`
	MX	`mail.itslongan.com` ⭐
	TXT	`v=spf1 ip4:103.20.147.7 ~all`
	SOA	`ns1.matbao.com`admin@matbao.com 2019-05-14 #1

PTR for

7.147.20.103.in-addr.arpa

MX for

itslongan.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A103.20.147.72026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:40:56
● 2026-05-10 10:12:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...	-
itslongan.com	ns1.matbao.com, ns2.matbao.com	4 records

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itslongan.com (unsigned zone)

⏱️ Timing

Total: 693ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.20.147.7`

📌 Glue Records Collected

Total: 4

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

Analysis

Mail Server Role

mail.itslongan.com serves as the mail server for itslongan.com.

IP Addresses

mail.itslongan.com resolves to a single IP address: 103.20.147.7.

Other host names, such as itslongan.com and www.itslongan.com, share IP numbers with mail.itslongan.com.

mail.itslongan.com - robtex.com