`viettrungson.com`

DNSSEC	⚠️ Not signed
A	103.77.162.41^{🇻🇳 SUPERDATA103.77.162.0/24 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	`hampton.maychu.cloud`
NS	`nsbak.pavietnam.net` ⭐
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		A	112.213.89.22^{🇻🇳 SUPERDATA112.213.89.0/24 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	`ns8922.dotvndns.vn`
NS	`ns1.pavietnam.vn`
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.vn`
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 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	`ns1.dotvndns.vn`
NS	`ns2.pavietnam.vn`
		A	2406:9c80::9000:111^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns2.dotvndns.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
MX	`mail.viettrungson.com` ⭐
		A	103.77.162.41^{🇻🇳 SUPERDATA103.77.162.0/24 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	`hampton.maychu.cloud`
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.pavietnam.net`hostmaster@viettrungson.com 2026-04-07 #4

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778505866

Subdomains

mail.viettrungson.com

Same first word

viettrungson.com

DNS History

7 records (5 active, 2 former)

●NSns1.pavietnam.vn2015-10-27 → 2026-05-11 · 2 obs

● 2015-10-27 10:13:48
● 2026-05-11 13:29:24

●NSns2.pavietnam.vn2015-10-27 → 2026-05-11 · 2 obs

● 2015-10-27 10:13:48
● 2026-05-11 13:29:24

●NSnsbak.pavietnam.net2026-02-27 → 2026-05-11 · 3 obs

○ 2015-10-27 10:13:48
● 2026-02-27 21:35:24
● 2026-05-11 13:29:24

●MXmail.viettrungson.com2015-10-27 → 2026-05-11 · 2 obs

● 2015-10-27 10:13:48
● 2026-05-11 13:29:24

●A103.77.162.412026-02-27 → 2026-05-11 · 3 obs

○ 2017-05-16 16:53:02
● 2026-02-27 21:35:24
● 2026-05-11 13:29:24

○A112.213.89.1472015-10-27 → 2016-11-18 · 4 obs

● 2015-10-27 10:13:48
● 2016-11-18 21:32:50
○ 2017-05-16 16:53:02
○ 2026-05-11 13:29:24

○A112.213.89.22017-05-16 → 2017-05-16 · 4 obs

○ 2016-11-18 21:32:50
● 2017-05-16 16:53:02
○ 2026-02-27 21:35:24
○ 2026-05-11 13:29:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
viettrungson.com	nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn	-

✅ Authoritative Response

Server:112.213.89.22

NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for viettrungson.com (unsigned zone)

⏱️ Timing

Total: 1437ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.77.162.41`
NS	3	`ns1.pavietnam.vn, ns2.pavietnam.vn...`
MX	1	`mail.viettrungson.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.pavietnam.net hostmaster.viettrung`

Analysis

Hierarchy

The parent of mail.viettrungson.com is viettrungson.com.

IP Addresses

viettrungson.com points to a single IP number: 103.77.162.41.

Other host names, for instance mte.maychasan.com.vn, bc-japan-1-2.911.net.vn, directenglish.edu.vn, edits.maychasan.com.vn and vecinter.com share IP numbers with viettrungson.com.

Name Servers

The domain viettrungson.com is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

viettrungson.com shares name servers with other domains at least partially, for instance taihancable.com.vn, dns.com.vn, wholesalefruitjuice.com, aoshipping.com.vn and caysaurieng.vn.

These name servers are commonly used with ns2.dotvndns.vn, ns1.dotvndns.vn, nsbak.dotvndns.com and ns3.dotvndns.vn.

Host names with two IP numbers:

nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22

ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3

ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247

Mail Servers

The mail server for viettrungson.com is mail.viettrungson.com.

Host name mail.viettrungson.com resolves to IP 103.77.162.41.

viettrungson.com - robtex.com