`docungkhanhvan.com`

DNSSEC	⚠️ Not signed
NS	`ns1.sotagroup.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.sotagroup.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`ns3.sotagroup.vn`
		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	`ns1.sotagroup.vn`hostmaster@docungkhanhvan.com 2026-03-12 #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=1778492951

Same first word

docungkhanhvan.com

DNS History

3 records (3 active, 0 former)

●NSns1.sotagroup.vn2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 14:22:06
● 2026-05-11 10:05:28

●NSns2.sotagroup.vn2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 14:22:06
● 2026-05-11 10:05:28

●NSns3.sotagroup.vn2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 14:22:06
● 2026-05-11 10:05:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
docungkhanhvan.com	ns1.sotagroup.vn, ns2.sotagroup.vn, ns3.sotagroup.vn	-

✅ Authoritative Response

Server:112.213.89.22

NS records: ns1.sotagroup.vn, ns2.sotagroup.vn, ns3.sotagroup.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for docungkhanhvan.com (unsigned zone)

⏱️ Timing

Total: 1411ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns2.sotagroup.vn, ns3.sotagroup.vn...`
SOA	1	`ns1.sotagroup.vn hostmaster.docungkhanhv`

Analysis

Name Servers

docungkhanhvan.com is delegated to three name servers: ns1.sotagroup.vn, ns2.sotagroup.vn and ns3.sotagroup.vn.

At least part of the name servers for docungkhanhvan.com are shared with other domains, for instance sotavietnam.com, sangohungphat36.com, labothiensanh.com, thongconghcm.com and hoangkhanglab.com.

These name servers are often used together with ns1.dotvndns.vn, ns2.dotvndns.vn and nsbak.dotvndns.com.

Host names with a single IP:

ns1.sotagroup.vn points to: 112.213.89.3

ns2.sotagroup.vn points to: 222.255.121.247

ns3.sotagroup.vn points to: 112.213.89.22

docungkhanhvan.com - robtex.com