`vinhandental.com`

DNSSEC	⚠️ Not signed
A	103.28.38.175^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
		PTR	`mail.naanfood.com.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`
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`
MX	`mail.vinhandental.com` ⭐
		A	103.28.38.175^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
			PTR	`mail.naanfood.com.vn`
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.dotvndns.com`hostmaster@vinhandental.com 2025-10-04 #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=1778673746

Subdomains

mail.vinhandental.com

Same first word

vinhandental.com

DNS History

5 records (5 active, 0 former)

●NSns1.dotvndns.vn2016-12-17 → 2026-05-13 · 2 obs

● 2016-12-17 13:51:46
● 2026-05-13 12:21:02

●NSns2.dotvndns.vn2016-12-17 → 2026-05-13 · 2 obs

● 2016-12-17 13:51:46
● 2026-05-13 12:21:02

●NSnsbak.dotvndns.com2026-02-17 → 2026-05-13 · 3 obs

○ 2016-12-17 13:51:46
● 2026-02-17 13:09:52
● 2026-05-13 12:21:02

●MXmail.vinhandental.com2016-12-17 → 2026-05-13 · 2 obs

● 2016-12-17 13:51:46
● 2026-05-13 12:21:02

●A103.28.38.1752016-12-17 → 2026-05-13 · 2 obs

● 2016-12-17 13:51:46
● 2026-05-13 12:21:02

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vinhandental.com (unsigned zone)

⏱️ Timing

Total: 708ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.28.38.175`
NS	3	`ns1.dotvndns.vn, ns2.dotvndns.vn...`
MX	1	`mail.vinhandental.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.dotvndns.com hostmaster.vinhandent`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

vinhandental.com is the parent of mail.vinhandental.com.

IP Addresses

vinhandental.com resolves to a single IP: 103.28.38.175.

Other host names, for instance, naanfood.com.vn, mail.bestpharma.vn, mail.naanfood.com.vn and mail.vinhandental.com share IP numbers with vinhandental.com.

Name Servers

vinhandental.com delegates to three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

vinhandental.com shares some name servers with other domains, for example rapi.vn, hanoigolfclub.vn, noihoisaigon.com.vn, wenina12.io.vn and baovehungcatloi.com.vn.

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

Host names with two IP numbers:

nsbak.dotvndns.com: 2406:9c80::9000:302 and 112.213.89.22

ns1.dotvndns.vn: 2406:9c80::66 and 112.213.89.3

ns2.dotvndns.vn: 2406:9c80::9000:111 and 222.255.121.247

Mail Servers

vinhandental.com is handled by a single mail server, mail.vinhandental.com.

Host name mail.vinhandental.com points to IP 103.28.38.175.

vinhandental.com - robtex.com