`mail.dvtech.info.vn`

	DNSSEC	⚠️ Not signed
	A	103.70.12.89^{🇻🇳 VNDATA-AS-VN103.70.12.0/23 HYPERCORE-VN}

`dvtech.info.vn`

	DNSSEC	⚠️ Not signed
	A	103.70.12.89^{🇻🇳 VNDATA-AS-VN103.70.12.0/23 HYPERCORE-VN}
	NS	`ns-b3.tenten.vn` ⭐
	NS	`ns-b1.tenten.vn`
	NS	`ns-b2.tenten.vn`
	MX	`mail.dvtech.info.vn` ⭐
	TXT	`v=spf1 mx a ip4:103.70.12.89 ~all`
	TXT	`_40qj6h043ebua5yd97adu237i3munpn`
	SOA	`ns-b3.tenten.vn`noreply@tenten.vn serial=1764057336

MX for

dvtech.info.vn

Same first word

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DNS History

1 record (1 active, 0 former)

●A103.70.12.892026-05-08 → 2026-05-11 · 2 obs

● 2026-05-08 11:49:52
● 2026-05-11 22:30:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	g.dns-servers.vn, h.dns-servers.vn, c.dns-servers.vn, f.dns-servers.vn...	-
dvtech.info.vn	ns-b2.tenten.vn, ns-b3.tenten.vn, ns-b1.tenten.vn	-

✅ Authoritative Response

Server:163.44.207.21

NS records: ns-b2.tenten.vn, ns-b3.tenten.vn, ns-b1.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dvtech.info.vn (unsigned zone)

⏱️ Timing

Total: 1730ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.70.12.89`

Analysis

Mail Server Role

mail.dvtech.info.vn is the mail server for dvtech.info.vn.

IP Addresses

mail.dvtech.info.vn resolves to one IP number: 103.70.12.89.

Other host names such as static24h.dvtech.info.vn and dvtech.info.vn share IP numbers with mail.dvtech.info.vn.

mail.dvtech.info.vn - robtex.com