`nghiahai.com`

DNSSEC	⚠️ Not signed
A	103.200.23.149^{🇻🇳 VNPT-AS-VN103.200.23.0/24 VNPT-NET}
		PTR	`host149.vietnix.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`
NS	`ns3.dotvndns.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`
MX	`mail.nghiahai.com` ⭐
		A	103.200.23.149^{🇻🇳 VNPT-AS-VN103.200.23.0/24 VNPT-NET}
			PTR	`host149.vietnix.vn`
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.dotvndns.com`hostmaster@nghiahai.com 2025-10-29 #24

`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=1777220936

Subdomains

mail.nghiahai.com

Same first word

nghiahai.vn

nghiahai.com

Similar names

ianhaigh.co.uk

ianhaigh.com

DNS History

19 records (6 active, 13 former)

○NSdns1.name-services.com2017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-20 07:57:54
● 2017-02-17 19:30:20
○ 2020-02-18 10:58:26
○ 2026-04-26 16:57:28

○NSdns2.name-services.com2017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-20 07:57:54
● 2017-02-17 19:30:20
○ 2020-02-18 10:58:26
○ 2026-04-26 16:57:28

○NSdns3.name-services.com2017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-20 07:57:54
● 2017-02-17 19:30:20
○ 2020-02-18 10:58:26
○ 2026-04-26 16:57:28

○NSdns4.name-services.com2017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-20 07:57:54
● 2017-02-17 19:30:20
○ 2020-02-18 10:58:26
○ 2026-04-26 16:57:28

○NSdns5.name-services.com2017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-20 07:57:54
● 2017-02-17 19:30:20
○ 2020-02-18 10:58:26
○ 2026-04-26 16:57:28

●NSns1.dotvndns.vn2015-06-08 → 2026-04-26 · 5 obs

● 2015-06-08 07:06:08
● 2016-06-20 07:57:54
○ 2017-02-17 19:30:20
● 2020-02-18 10:58:26
● 2026-04-26 16:57:28

●NSns2.dotvndns.vn2015-06-08 → 2026-04-26 · 5 obs

● 2015-06-08 07:06:08
● 2016-06-20 07:57:54
○ 2017-02-17 19:30:20
● 2020-02-18 10:58:26
● 2026-04-26 16:57:28

●NSns3.dotvndns.vn2020-02-18 → 2026-04-26 · 3 obs

○ 2017-02-17 19:30:20
● 2020-02-18 10:58:26
● 2026-04-26 16:57:28

●NSnsbak.dotvndns.com2020-02-18 → 2026-04-26 · 3 obs

○ 2017-02-17 19:30:20
● 2020-02-18 10:58:26
● 2026-04-26 16:57:28

○MXalt1.aspmx.l.google.com2020-02-18 → 2020-02-18 · 3 obs

● 2020-02-18 10:58:26
○ 2026-02-25 11:21:50
○ 2026-04-26 16:57:28

○MXalt2.aspmx.l.google.com2020-02-18 → 2020-02-18 · 3 obs

● 2020-02-18 10:58:26
○ 2026-02-25 11:21:50
○ 2026-04-26 16:57:28

○MXalt3.aspmx.l.google.com2020-02-18 → 2020-02-18 · 3 obs

● 2020-02-18 10:58:26
○ 2026-02-25 11:21:50
○ 2026-04-26 16:57:28

○MXalt4.aspmx.l.google.com2020-02-18 → 2020-02-18 · 3 obs

● 2020-02-18 10:58:26
○ 2026-02-25 11:21:50
○ 2026-04-26 16:57:28

○MXaspmx.l.google.com2020-02-18 → 2020-02-18 · 3 obs

● 2020-02-18 10:58:26
○ 2026-02-25 11:21:50
○ 2026-04-26 16:57:28

●MXmail.nghiahai.com2026-02-25 → 2026-04-26 · 3 obs

○ 2020-02-18 10:58:26
● 2026-02-25 11:21:50
● 2026-04-26 16:57:28

●A103.200.23.1492026-02-25 → 2026-04-26 · 3 obs

○ 2020-02-18 10:58:26
● 2026-02-25 11:21:50
● 2026-04-26 16:57:28

○A112.78.3.1412015-06-08 → 2016-06-20 · 4 obs

● 2015-06-08 07:06:08
● 2016-06-20 07:57:54
○ 2017-02-17 19:30:20
○ 2026-04-26 16:57:28

○A210.211.111.852020-02-18 → 2020-02-18 · 4 obs

○ 2017-02-17 19:30:20
● 2020-02-18 10:58:26
○ 2026-02-25 11:21:50
○ 2026-04-26 16:57:28

○A98.124.243.362017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-20 07:57:54
● 2017-02-17 19:30:20
○ 2020-02-18 10:58:26
○ 2026-04-26 16:57:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
nghiahai.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.3

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nghiahai.com (unsigned zone)

⏱️ Timing

Total: 1552ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.200.23.149`
NS	4	`ns3.dotvndns.vn, ns2.dotvndns.vn...`
MX	1	`mail.nghiahai.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.dotvndns.com hostmaster.nghiahai.c`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

nghiahai.com is the parent of mail.nghiahai.com.

IP Addresses

nghiahai.com resolves to a single IP: 103.200.23.149.

Other host names, for instance phumyan.vn, viettelgroup.net, temnhanonline.com, optimarobotics.com and lapmangviettelgialai.com.vn share IP numbers with nghiahai.com.

Name Servers

nghiahai.com is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

nghiahai.com shares some name servers with other domains, for example hozan.com.vn, womenmuseum.org.vn, lifetek.com.vn, dienmaytruongdoanh.vn and datmarketing.edu.vn.

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

Host names with two IP numbers: nsbak.dotvndns.com points to 2406:9c80::9000:302 and 112.213.89.22; ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3; ns2.dotvndns.vn points to 2406:9c80::9000:111 and 222.255.121.247.

Host names with one IP number: ns3.dotvndns.vn points to 112.213.89.22.

Host names that point to 112.213.89.22: nsbak.dotvndns.com and ns3.dotvndns.vn.

Mail Servers

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

Host name mail.nghiahai.com points to IP 103.200.23.149.

nghiahai.com - robtex.com

nghiahai.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`nghiahai.com`

`com`