`mail.pstraining.com.vn`

DNSSEC	⚠️ Not signed
A	103.104.123.15^{🇻🇳 VNDATA-AS-VN103.104.120.0/22 VNDATA-VN VNDATA-VN}
		PTR	`smtp.isamail.vn`

`pstraining.com.vn`

	DNSSEC	⚠️ Not signed
	A	112.78.2.14^{🇻🇳 ODS-AS-VN112.78.2.0/24 ODSJSC-VN}
	NS	`ns1.isa.com.vn` ⭐
	NS	`ns2.isa.com.vn`
	NS	`ns3.isa.com.vn`
	MX	`mail.pstraining.com.vn` ⭐
	TXT	`v=spf1 mx a:nnsmtp.hcmc.netnam.vn a:smtp2.isamail.vn a:smtp.isamail.vn ip4:10...`
	SOA	`ns1.isa.com.vn`hostmaster@pstraining.com.vn 2026-03-27 #22

MX for

pstraining.com.vn

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DNS History

1 record (1 active, 0 former)

●A103.104.123.152026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 19:06:18
● 2026-05-10 03:06:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
pstraining.com.vn	ns3.isa.com.vn, ns1.isa.com.vn, ns2.isa.com.vn	-

✅ Authoritative Response

Server:112.213.89.3

NS records: ns3.isa.com.vn, ns1.isa.com.vn, ns2.isa.com.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1787ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.104.123.15`

Analysis

Mail Server Role

mail.pstraining.com.vn serves as the mail server for pstraining.com.vn.

IP Addresses

mail.pstraining.com.vn points to a single IP: 103.104.123.15.

Other host names, for instance mail.ttptravel.com.vn, mail.giaogasnhanh.com, mail.legiaphat.com.vn, isamail.vn and mail.phana.com.vn share IP numbers with mail.pstraining.com.vn.

mail.pstraining.com.vn - robtex.com