`mail.dtech24h.com`

	DNSSEC	⚠️ Not signed
	A	103.42.57.166^{🇻🇳 VTN-1103.42.57.0/24 VNPT-Customer-Digital World Data Online}

`dtech24h.com`

	DNSSEC	⚠️ Not signed
	A	103.42.57.166^{🇻🇳 VTN-1103.42.57.0/24 VNPT-Customer-Digital World Data Online}
	NS	`nsbak.dotvndns.com` ⭐
	NS	`ns1.dotvndns.vn`
	NS	`ns2.dotvndns.vn`
	NS	`ns3.dotvndns.vn`
	TXT	`MS=ms55204556`
	SOA	`nsbak.dotvndns.com`hostmaster@dtech24h.com 2026-03-26 #39

Previously MX for

dtech24h.com

Same first word

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DNS History

3 records (1 active, 2 former)

○NSdns1.name-services.com2015-06-09 → 2015-11-10 · 4 obs

● 2015-06-09 13:43:12
● 2015-11-10 11:25:40
○ 2016-01-29 12:04:36
○ 2026-05-10 00:10:16

○A103.246.221.352015-06-09 → 2016-04-20 · 4 obs

● 2015-06-09 13:43:12
● 2016-04-20 04:06:26
○ 2026-03-22 07:00:14
○ 2026-05-10 00:10:16

●A103.42.57.1662026-03-22 → 2026-05-10 · 3 obs

○ 2016-04-20 04:06:26
● 2026-03-22 07:00:14
● 2026-05-10 00:10:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
dtech24h.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn	2 records

✅ Authoritative Response

Server:222.255.121.247

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dtech24h.com (unsigned zone)

⏱️ Timing

Total: 3422ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.42.57.166`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsbak.dotvndns.com, nsbak.dotvndns.com)

Analysis

IP Addresses

mail.dtech24h.com points to IP number 103.42.57.166.

For instance, other host names www.dtech24h.com, 2done.com.vn, www.thegioiquatangvn.com, nrw.dtech24h.com and www.sendaxuongrong.vn share IP numbers with mail.dtech24h.com.

mail.dtech24h.com - robtex.com