`htec.com.vn`

DNSSEC	⚠️ Not signed
A	103.82.198.26^{🇻🇳 ECONET-AS-VN103.82.198.0/24 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}
		PTR	`ssd-rsl01.hostingvn.com`
NS	`ns4.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:20^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns4.tenten.vn`
		A	103.18.7.204^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns4.tenten.vn`
NS	`ns5.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:21^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns5.tenten.vn`
		A	103.18.7.205^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns5.tenten.vn`
NS	`ns6.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:22^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns6.tenten.vn`
		A	52.74.6.184^{🇸🇬 Amazon52.74.0.0/16 SIN prefix}
			PTR	`ec2-52-74-6-184.ap-southeast-1.compute.amazonaws.com`
MX	`mx1.asvmail.net` ⭐
		A	2001:df6:2200:22::9001^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	2001:df6:2200:22::9002^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	103.82.198.184^{🇻🇳 ECONET-AS-VN103.82.198.0/24 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}
			PTR	`a-node01.gw-in.hostvn.email`
		A	103.82.198.185^{🇻🇳 ECONET-AS-VN103.82.198.0/24 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}
			PTR	`a-node02.gw-in.hostvn.email`
		A	125.212.224.185^{🇻🇳 VTDC-AS-VN125.212.224.0/24 VIETTEL-VN}
MX	`mx2.asvmail.net` ⭐
		A	2001:df6:2200:20::9001^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	2001:df6:2200:20::9002^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	2001:df6:2200:22::9999^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	103.82.198.34^{🇻🇳 ECONET-AS-VN103.82.198.0/24 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}
			PTR	`b.gw-in.hostvn.email`
		A	103.157.20.34^{🇻🇳 HOSTVN-VN103.157.20.0/24 GKCOMPANY-VN}
			PTR	`b-node01.gw-in.hostvn.email`
		A	103.157.20.35^{🇻🇳 HOSTVN-VN103.157.20.0/24 GKCOMPANY-VN}
			PTR	`b-node02.gw-in.hostvn.email`
TXT	`v=spf1 include:_spf.asvmail.net ~all`
SOA	`.`hostmaster@htec.com.vn 2020-11-22 #17

`com.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2022706242

Subdomains

www.htec.com.vn

Same first word

htec.rs

htec.org

htec.com

htec.com.br

htec.jp

htec.com.vn

htec.co.th

htec.ie

htec.ca

htec.com.au

htec.cz

htec.eu

htec.be

htec.gr

htec.cn

htec.co.rs

htec.at

htec.fr

htec.co.uk

htec.hu

htec.co.jp

htec.es

htec.de

htec.vn

htec.us

Similar names

tech.org.tw

ceth.it

echt.ru

echt.de

chet.ca

chet.org

ehct.com

tech.pp.ru

tech.tours

hcet.com.tw

tech.care

hcet.org

tehc.me

echt.it

tech.me

tech.is

tech.nm.cn

tech.training

ehtc.org

tech.s3-website.us-east-2.amazonaws.com

tceh.co.uk

echt.be

tech.gr

tech.vi

echt.org

tech.group

etch.se

hcet.in

tech.cx

tceh.net

echt.pro

tech.fr

tech.ae

echt.cn

chet.org.za

tech.gov.vn

echt.wien

tehc.com

htce.org

hetc.com

tech.web.id

chet.ru

tech.fail

tech.gold

htce.ru

tech.k12.ar.us

tech.email

tech.ps

etch.us

tehc.net.au

tech.s3-website.eu-central-1.amazonaws.com

tche.br

echt.net

tech.design

tech.fi

etch.ca

hect.org

tech.s3.amazonaws.com

chet.ie

echt.land

chet.de

hcet.com

tech.trade

hetc.me

tech.or.kr

ceth.cn

tech.ca

echt.at

tech.gop

hcet.net

tech.cc

chte.ru

tech.net.cn

hect.nl

cthe.fr

tech.s3-website-eu-west-1.amazonaws.com

tche.com

tech.ru

chet.io

tech.ba

cthe.org

chet.be

tech.cash

tech.blog

tech.africa

ehtc.net

tehc.de

cthe.com

etch.digital

hect.com

tche.biz

DNS History

6 records (6 active, 0 former)

●NSns4.tenten.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 15:27:36
● 2026-05-09 01:17:44

●NSns5.tenten.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 15:27:36
● 2026-05-09 01:17:44

●NSns6.tenten.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 15:27:36
● 2026-05-09 01:17:44

●MXmx1.asvmail.net2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 15:27:36
● 2026-05-09 01:17:44

●MXmx2.asvmail.net2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 15:27:36
● 2026-05-09 01:17:44

●A103.82.198.262026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 15:27:36
● 2026-05-09 01:17:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
htec.com.vn	ns5.tenten.vn, ns4.tenten.vn, ns6.tenten.vn	-

✅ Authoritative Response

Server:52.74.6.184

NS records: ns5.tenten.vn, ns4.tenten.vn, ns6.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2756ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.82.198.26`
NS	3	`NS6.TENTEN.vn, NS5.TENTEN.vn...`
MX	2	`mx1.asvmail.net (pri: 0), mx2.asvmail.net (pri: 0)`
TXT	1	`v=spf1 include:_spf.asvmail.net ~all`
SOA	1	`. hostmaster.htec.com.vn`

Analysis

Hierarchy

htec.com.vn is parent of www.htec.com.vn.

IP Addresses

htec.com.vn points to a single IP: 103.82.198.26.

Other host names, for instance slimtech.vn, hostmaster.lethanhtongschool.edu.vn, mail.teamohotel.com, ssd-rsl01.hostingvn.com and mail.01.com.vn share IP numbers with htec.com.vn.

Name Servers

htec.com.vn is delegated to three name servers: ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn.

htec.com.vn at least partially shares its name servers with other domains, for instance mayphatdien.info.vn, nhanaicorp.vn, ruouphache.com.vn, daoplathanoi.vn and zotadi.vn.

These name servers are commonly used with ns1.tenten.vn, ns2.tenten.vn and ns3.tenten.vn.

Host names with two IP numbers:

ns4.tenten.vn points to: 2404:f080:1101:302:a163:44:193:20 and 103.18.7.204.

ns5.tenten.vn points to: 2404:f080:1101:302:a163:44:193:21 and 103.18.7.205.

ns6.tenten.vn points to: 2404:f080:1101:302:a163:44:193:22 and 52.74.6.184.

Mail Servers

Two mail servers mx1.asvmail.net and mx2.asvmail.net handle htec.com.vn.

htec.com.vn uses the same mail server setup as other domains such as hmc-vn.com, 388ic.com.vn, minhcuongsteel.com, casum.com.vn and dongnaitw.com.

htec.com.vn shares some mail servers with other domains, including funkidsgym.com, arttree.vn, hailien.vn, yhoctaisinh.com and caphenguyenchat.org.

Six IP numbers for host mx2.asvmail.net: 2001:df6:2200:20::9001, 2001:df6:2200:20::9002, 2001:df6:2200:22::9999, 103.82.198.34, 103.157.20.34 and 103.157.20.35

Five IP numbers for host mx1.asvmail.net: 2001:df6:2200:22::9001, 2001:df6:2200:22::9002, 103.82.198.184, 103.82.198.185 and 125.212.224.185

htec.com.vn - robtex.com

htec.com.vn

com.vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`htec.com.vn`

`com.vn`