`dutoanonline.com`

A	113.161.81.59^{🇻🇳 VTN-1113.161.80.0/21 VNPT-Net}
		PTR	`static.vnpt.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`
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`

`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=1776108237

Subdomains

www.dutoanonline.com

Same first word

dutoanonline.com

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:222.255.121.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dutoanonline.com (unsigned zone)

⏱️ Timing

Total: 1735ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`113.161.81.59`
NS	3	`ns2.pavietnam.vn, ns1.pavietnam.vn...`
TXT	1	`_6s94bdnx33nnkr6v4z71319dvlmyy3h`
SOA	1	`nsbak.pavietnam.net hostmaster.dutoanonl`

Analysis

Hierarchy

www.dutoanonline.com has dutoanonline.com as its parent.

IP Addresses

dutoanonline.com maps to IP address 113.161.81.59.

Other host names for instance www.dutoanonline.com and hocrevit.vn share IP numbers with dutoanonline.com.

Name Servers

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

dutoanonline.com at least partially shares name servers with other domains such as vipmart.net, pencil.vn, michair.vn, gloryresort.vn and ngn-trade.com.

These name servers are commonly used with ns1.dotvndns.vn, ns2.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.

dutoanonline.com - robtex.com

dutoanonline.com

com