`quanlystartup.com`

DNSSEC	⚠️ Not signed
A	103.162.21.176^{🇻🇳 WEBICO-AS-VN103.162.21.0/24 DILINH-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.dotvndns.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.dotvndns.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`
NS	`nsbak.dotvndns.com`
		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`
SOA	`nsbak.pavietnam.net`hostmaster@quanlystartup.com 2025-11-14 #22

`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=1778382531

Same first word

quanlystartup.com

DNS History

9 records (5 active, 4 former)

●NSns1.dotvndns.vn2026-02-27 → 2026-05-10 · 3 obs

○ 2018-10-04 08:50:20
● 2026-02-27 20:08:26
● 2026-05-10 03:17:02

○NSns1.pavietnam.vn2018-05-14 → 2018-10-04 · 4 obs

● 2018-05-14 10:18:40
● 2018-10-04 08:50:20
○ 2026-02-27 20:08:26
○ 2026-05-10 03:17:02

●NSns2.dotvndns.vn2026-02-27 → 2026-05-10 · 3 obs

○ 2018-10-04 08:50:20
● 2026-02-27 20:08:26
● 2026-05-10 03:17:02

○NSns2.pavietnam.vn2018-05-14 → 2018-10-04 · 4 obs

● 2018-05-14 10:18:40
● 2018-10-04 08:50:20
○ 2026-02-27 20:08:26
○ 2026-05-10 03:17:02

●NSnsbak.dotvndns.com2026-02-27 → 2026-05-10 · 3 obs

○ 2018-10-04 08:50:20
● 2026-02-27 20:08:26
● 2026-05-10 03:17:02

●NSnsbak.pavietnam.net2018-07-13 → 2026-05-10 · 3 obs

○ 2018-05-14 10:18:40
● 2018-07-13 04:36:28
● 2026-05-10 03:17:02

●A103.162.21.1762026-02-27 → 2026-05-10 · 3 obs

○ 2018-10-04 08:50:20
● 2026-02-27 20:08:26
● 2026-05-10 03:17:02

○A124.158.9.1642018-07-13 → 2018-10-04 · 5 obs

○ 2018-05-14 10:18:40
● 2018-07-13 04:36:28
● 2018-10-04 08:50:20
○ 2026-02-27 20:08:26
○ 2026-05-10 03:17:02

○A202.78.227.1302018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 10:18:40
○ 2018-07-13 04:36:28
○ 2026-05-10 03:17:02

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:222.255.121.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quanlystartup.com (unsigned zone)

⏱️ Timing

Total: 1869ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.162.21.176`
NS	3	`nsbak.dotvndns.com, ns2.dotvndns.vn...`
SOA	1	`nsbak.pavietnam.net hostmaster.quanlysta`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

quanlystartup.com maps to IP address 103.162.21.176.

Other host names, for instance ketrangtri.aab.vn, shantira.aab.vn, hcmlike.com, ns1.tenten.vn.dienlanhminhtien.com and www.profile.aab.vn share IP numbers with quanlystartup.com.

Name Servers

quanlystartup.com is delegated to four name servers: nsbak.dotvndns.com, nsbak.pavietnam.net, ns1.dotvndns.vn and ns2.dotvndns.vn.

quanlystartup.com at least partially shares name servers with other domains such as dienmaynhanngoc.com, hbtvietnam.com.vn, tongkhocapdieukhien.com, vanhoadoisong.net and thien-son.com.vn.

These name servers are commonly used with ns1.pavietnam.vn, ns2.pavietnam.vn, ns3.dotvndns.vn and ns4.dotvndns.vn.

Host names with two IP numbers

nsbak.dotvndns.com points to 2406:9c80::9000:302 and 112.213.89.22; nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22; ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3; ns2.dotvndns.vn points to 2406:9c80::9000:111 and 222.255.121.247.

Hosts pointing to 2406:9c80::9000:302: nsbak.dotvndns.com and nsbak.pavietnam.net; Hosts pointing to 112.213.89.22: nsbak.dotvndns.com and nsbak.pavietnam.net.

quanlystartup.com - robtex.com