`groups.htvtools.com`

	DNSSEC	⚠️ Not signed
	A	103.131.74.6^{🇻🇳 SUPERDATA103.131.74.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}

`htvtools.com`

	DNSSEC	⚠️ Not signed
	A	210.245.8.140^{🇻🇳 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	`nsbak.dotvndns.com` ⭐
	NS	`ns1.dotvndns.vn`
	NS	`ns2.dotvndns.vn`
	MX	`mail25510.maychuemail.com` ⭐
	MX	`mx25510.maychuemail.net`⁽¹⁰⁾
	TXT	`v=spf1 a mx include:spf.maychuemail.com ip4:103.252.255.10 ~all`
	TXT	`v=spf1 a mx ip4:103.252.255.10 ~all`
	TXT	`v=msv1 t=14068eb124c75d44972fe92672746e`
	SOA	`nsbak.dotvndns.com`hostmaster@htvtools.com 2025-10-29 #8

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DNS History

3 records (1 active, 2 former)

●A103.131.74.62026-03-08 → 2026-03-31 · 3 obs

○ 2016-06-21 18:38:58
● 2026-03-08 02:20:22
● 2026-03-31 22:15:04

○A112.213.89.152016-03-01 → 2016-06-21 · 5 obs

○ 2015-12-01 15:10:10
● 2016-03-01 10:48:04
● 2016-06-21 18:38:58
○ 2026-03-08 02:20:22
○ 2026-03-31 22:15:04

○A210.245.95.212015-08-05 → 2015-12-01 · 4 obs

● 2015-08-05 05:27:54
● 2015-12-01 15:10:10
○ 2016-03-01 10:48:04
○ 2026-03-31 22:15:04

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:112.213.89.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for htvtools.com (unsigned zone)

⏱️ Timing

Total: 1227ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.131.74.6`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

groups.htvtools.com points to a single IP: 103.131.74.6.

Other host names, for instance mail.bulongviet.com, fansipan.com.vn, forum.htvtools.com, bestbuy.ca.htvtools.com and extranet.htvtools.com share IP numbers with groups.htvtools.com.

groups.htvtools.com - robtex.com