`ngannhantech.com`

DNSSEC	⚠️ Not signed
A	103.82.21.178^{🇻🇳 VNPT-AS-VN103.82.20.0/22 INETACADEMY-AS-VN}
		PTR	`103.82.21.178.bmcloud.io.vn`
NS	`ns1.websitenambo.com` ⭐
		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.websitenambo.com`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
MX	`mail.ngannhantech.com` ⭐
		A	103.82.21.178^{🇻🇳 VNPT-AS-VN103.82.20.0/22 INETACADEMY-AS-VN}
			PTR	`103.82.21.178.bmcloud.io.vn`
TXT	`v=spf1 ip4:103.82.21.178 a mx include:_spf.google.com include:ngannhantech.co...`
TXT	`google-site-verification=An0x36bfcjva9t3uHaiJZA_Qn-SPXqlrB6o6lEOGtk8`
SOA	`ns1.websitenambo.com`hostmaster@ngannhantech.com 2026-03-27 #18

`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=1776209442

Subdomains

mail.ngannhantech.com

Same first word

ngannhantech.com

DNS History

9 records (4 active, 5 former)

○NSns1.dotvndns.vn2015-07-07 → 2016-03-13 · 4 obs

● 2015-07-07 21:07:26
● 2016-03-13 17:26:18
○ 2016-07-10 00:00:14
○ 2026-04-14 23:41:20

●NSns1.websitenambo.com2016-07-10 → 2026-04-14 · 3 obs

○ 2016-03-13 17:26:18
● 2016-07-10 00:00:14
● 2026-04-14 23:41:20

○NSns2.dotvndns.vn2015-07-07 → 2016-03-13 · 4 obs

● 2015-07-07 21:07:26
● 2016-03-13 17:26:18
○ 2016-07-10 00:00:14
○ 2026-04-14 23:41:20

●NSns2.websitenambo.com2016-07-10 → 2026-04-14 · 3 obs

○ 2016-03-13 17:26:18
● 2016-07-10 00:00:14
● 2026-04-14 23:41:20

●MXmail.ngannhantech.com2015-07-07 → 2026-04-14 · 5 obs

● 2015-07-07 21:07:26
● 2017-03-25 02:55:46
○ 2020-01-11 11:23:54
● 2026-04-11 03:32:46
● 2026-04-14 23:41:20

○A103.249.100.272016-07-10 → 2020-01-11 · 5 obs

○ 2016-03-13 17:26:18
● 2016-07-10 00:00:14
● 2020-01-11 11:23:54
○ 2026-04-11 03:32:46
○ 2026-04-14 23:41:20

○A103.7.41.862026-04-11 → 2026-04-14 · 2 obs

○ 2026-04-11 03:32:46
○ 2026-04-14 23:41:20

●A103.82.21.1782026-04-11 → 2026-04-14 · 3 obs

○ 2020-01-11 11:23:54
● 2026-04-11 03:32:46
● 2026-04-14 23:41:20

○A118.69.175.22015-07-07 → 2016-03-13 · 4 obs

● 2015-07-07 21:07:26
● 2016-03-13 17:26:18
○ 2016-07-10 00:00:14
○ 2026-04-14 23:41:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ngannhantech.com	ns1.websitenambo.com, ns2.websitenambo.com	2 records

✅ Authoritative Response

Server:222.255.121.247

NS records: ns1.websitenambo.com, ns2.websitenambo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ngannhantech.com (unsigned zone)

⏱️ Timing

Total: 656ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.82.21.178`
NS	2	`ns2.websitenambo.com, ns1.websitenambo.com`
MX	1	`mail.ngannhantech.com (pri: 10)`
TXT	2	`v=spf1 ip4:103.82.21.178 a mx include:_s, google-site-verification=An0x36bfcjva9t3`
SOA	1	`ns1.websitenambo.com hostmaster.ngannhan`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.websitenambo.com, ns2.websitenambo.com)

Analysis

Hierarchy

ngannhantech.com is the parent of mail.ngannhantech.com.

IP Addresses

ngannhantech.com resolves to one IP number: 103.82.21.178.

other host names including lapdatfpthcm.com.vn, gojoytravel.com, mail.camerafullhd.com, mail.inoxtruongson.com and www.anhungpaper.com share IP numbers with ngannhantech.com.

Name Servers

ngannhantech.com is delegated to two name servers ns1.websitenambo.com and ns2.websitenambo.com.

ngannhantech.com shares the same name server setup as other domains, for instance palletgodongnai.com, daidongho.com, yensaodongthap.com, cayxanhbaclieu.com and inoxvinhphu.com.

ngannhantech.com at least partially shares name servers with other domains, for instance vantaitrungviet.com, gigamall.vn, hiephoidoanhnghiepvietnam.com, nhadatmyphuoc.com and gigamall.com.vn.

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

Host names with one IP number:

ns1.websitenambo.com points to 112.213.89.3

ns2.websitenambo.com points to 222.255.121.247

Mail Servers

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

mail.ngannhantech.com resolves to IP 103.82.21.178.

ngannhantech.com - robtex.com