`duytanschool.com`

DNSSEC	⚠️ Not signed
A	45.119.81.227^{🇻🇳 LVSS-AS-VN45.119.80.0/22 LVSS-VN}
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`
SOA	`nsbak.pavietnam.net`hostmaster@duytanschool.com 2025-07-14 #11

`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=1778380701

Subdomains

www.duytanschool.com

Same first word

duytanschool.edu.vn

duytanschool.com

DNS History

10 records (4 active, 6 former)

○NSdns1.name-services.com2015-05-25 → 2015-05-25 · 4 obs

○ 2008-03-08 14:27:10
● 2015-05-25 05:02:28
○ 2015-09-24 03:16:40
○ 2026-05-10 02:57:54

○NSdns2.name-services.com2015-05-25 → 2015-05-25 · 4 obs

○ 2008-03-08 14:27:10
● 2015-05-25 05:02:28
○ 2015-09-24 03:16:40
○ 2026-05-10 02:57:54

○NSdns3.name-services.com2015-05-25 → 2015-05-25 · 4 obs

○ 2008-03-08 14:27:10
● 2015-05-25 05:02:28
○ 2015-09-24 03:16:40
○ 2026-05-10 02:57:54

○NSdns4.name-services.com2015-05-25 → 2015-05-25 · 4 obs

○ 2008-03-08 14:27:10
● 2015-05-25 05:02:28
○ 2015-09-24 03:16:40
○ 2026-05-10 02:57:54

○NSdns5.name-services.com2015-05-25 → 2015-05-25 · 4 obs

○ 2008-03-08 14:27:10
● 2015-05-25 05:02:28
○ 2015-09-24 03:16:40
○ 2026-05-10 02:57:54

●NSns1.pavietnam.vn2015-09-24 → 2026-05-10 · 3 obs

○ 2008-03-08 14:27:10
● 2015-09-24 03:16:40
● 2026-05-10 02:57:54

●NSns2.pavietnam.vn2015-09-24 → 2026-05-10 · 3 obs

○ 2008-03-08 14:27:10
● 2015-09-24 03:16:40
● 2026-05-10 02:57:54

●NSnsbak.pavietnam.net2015-09-24 → 2026-05-10 · 3 obs

○ 2008-03-08 14:27:10
● 2015-09-24 03:16:40
● 2026-05-10 02:57:54

○A112.78.2.2092015-05-25 → 2017-04-21 · 5 obs

○ 2008-03-08 14:27:10
● 2015-05-25 05:02:28
● 2017-04-21 09:02:42
○ 2026-03-14 12:08:24
○ 2026-05-10 02:57:54

●A45.119.81.2272026-03-14 → 2026-05-10 · 3 obs

○ 2017-04-21 09:02:42
● 2026-03-14 12:08:24
● 2026-05-10 02:57:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net...	-
duytanschool.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 duytanschool.com (unsigned zone)

⏱️ Timing

Total: 1364ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.119.81.227`
NS	3	`nsbak.pavietnam.net, ns1.pavietnam.vn...`
SOA	1	`nsbak.pavietnam.net hostmaster.duytansch`

Analysis

Hierarchy

duytanschool.com is the parent of www.duytanschool.com.

IP Addresses

duytanschool.com resolves to one IP number: 45.119.81.227.

other host names including 360.tainvest.vn, tainvest.vn, www.tainvest.vn, www.starkombucha.vn and seaedi.us share IP numbers with duytanschool.com.

Name Servers

duytanschool.com is delegated to three name servers nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

duytanschool.com at least partially shares name servers with other domains, for instance ptcare.vn, vietcamec.com, hoanglonghotelquangngai.com, dkrs.com.vn and thammyvienhanviet.vn.

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

duytanschool.com - robtex.com