`ngocthanhtam.com`

DNSSEC	⚠️ Not signed
A	45.252.248.47^{🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-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	`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`
MX	`mail.ngocthanhtam.com` ⭐
TXT	`v=spf1 +mx +a +ip4:45.252.248.1/22 +ip4:103.221.220.1/22 ~all`
SOA	`ns1.pavietnam.vn`hostmaster@ngocthanhtam.com 2025-10-02 #21

`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=1778498476

Subdomains

mail.ngocthanhtam.com

Same first word

ngocthanhtam.com

DNS History

8 records (6 active, 2 former)

○NSdns19.fpt.vn2015-05-31 → 2017-05-18 · 4 obs

● 2015-05-31 13:16:16
● 2017-05-18 22:27:26
○ 2026-03-30 16:20:20
○ 2026-05-11 11:39:24

○NSdns20.fpt.vn2015-05-31 → 2017-05-18 · 4 obs

● 2015-05-31 13:16:16
● 2017-05-18 22:27:26
○ 2026-03-30 16:20:20
○ 2026-05-11 11:39:24

●NSns1.dotvndns.vn2026-03-30 → 2026-05-11 · 3 obs

○ 2017-05-18 22:27:26
● 2026-03-30 16:20:20
● 2026-05-11 11:39:24

●NSns1.pavietnam.vn2026-03-30 → 2026-05-11 · 3 obs

○ 2017-05-18 22:27:26
● 2026-03-30 16:20:20
● 2026-05-11 11:39:24

●NSns2.dotvndns.vn2026-03-30 → 2026-05-11 · 3 obs

○ 2017-05-18 22:27:26
● 2026-03-30 16:20:20
● 2026-05-11 11:39:24

●NSnsbak.dotvndns.com2026-03-30 → 2026-05-11 · 3 obs

○ 2017-05-18 22:27:26
● 2026-03-30 16:20:20
● 2026-05-11 11:39:24

●MXmail.ngocthanhtam.com2026-03-30 → 2026-05-11 · 2 obs

● 2026-03-30 16:20:20
● 2026-05-11 11:39:24

●A45.252.248.472026-03-30 → 2026-05-11 · 2 obs

● 2026-03-30 16:20:20
● 2026-05-11 11:39:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
ngocthanhtam.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 ngocthanhtam.com (unsigned zone)

⏱️ Timing

Total: 2841ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.252.248.47`
NS	3	`ns1.dotvndns.vn, ns2.dotvndns.vn...`
MX	1	`mail.ngocthanhtam.com (pri: 10)`
TXT	1	`v=spf1 +mx +a +ip4:45.252.248.1/22 +ip4:`
SOA	1	`ns1.pavietnam.vn hostmaster.ngocthanhtam`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

ngocthanhtam.com is parent of mail.ngocthanhtam.com.

IP Addresses

ngocthanhtam.com points to a single IP: 45.252.248.47.

Other host names, for instance www.duhocedutime.edu.vn, cualo.com.vn, www.nembinhduong.com, banthotamviet.vn and thegioibomnuoc.vn share IP numbers with ngocthanhtam.com.

Name Servers

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

ngocthanhtam.com at least partially shares its name servers with other domains, for instance ngananhphat.vn, d-caps.com, organiccoffee.vn, otokiabinhduong.vn and longbien.edu.vn.

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

Host names with two IPs

The host name nsbak.dotvndns.com points to 2406:9c80::9000:302 and 112.213.89.22

The host name ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3

The host name ns2.dotvndns.vn points to 2406:9c80::9000:111 and 222.255.121.247

The host name ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3

Hosts that point to 2406:9c80::66: ns1.dotvndns.vn and ns1.pavietnam.vn

Hosts that point to 112.213.89.3: ns1.dotvndns.vn and ns1.pavietnam.vn

Mail Servers

ngocthanhtam.com is served by a single mail server, mail.ngocthanhtam.com.

ngocthanhtam.com - robtex.com