`nguyentanquan.com`

DNSSEC	⚠️ Not signed
A	103.57.221.26^{🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN}
NS	`ns-master.inet.vn` ⭐
		A	202.92.4.8^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns1.inet.vn`
		A	2001:df7:ce00:1::7^{🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited}
		A	202.92.4.25^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns2.inet.vn`
		A	2401:5f80:2001:4::30^{🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN}
		A	210.211.99.38^{🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object}
NS	`ns3.inet.vn` ⚠️ Not in parent delegation
		A	2401:5f80:4001:4::14^{🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN}
		A	203.113.174.42^{🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c0b::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f26.1e100.net`
		A	142.250.101.27^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
SOA	`ns-master.inet.vn`postmaster@inet.vn 2015-07-28 #0

`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=1778299726

Same first word

nguyentanquan.com

DNS History

14 records (10 active, 4 former)

●NSns-master.inet.vn2026-02-23 → 2026-05-09 · 3 obs

○ 2018-01-22 17:03:50
● 2026-02-23 20:17:52
● 2026-05-09 04:29:04

●NSns1.inet.vn2026-02-23 → 2026-05-09 · 3 obs

○ 2018-01-22 17:03:50
● 2026-02-23 20:17:52
● 2026-05-09 04:29:04

○NSns1.pavietnam.vn2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 03:37:22
○ 2018-01-22 17:03:50
○ 2026-05-09 04:29:04

●NSns2.inet.vn2026-02-23 → 2026-05-09 · 3 obs

○ 2018-01-22 17:03:50
● 2026-02-23 20:17:52
● 2026-05-09 04:29:04

○NSns2.pavietnam.vn2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 03:37:22
○ 2018-01-22 17:03:50
○ 2026-05-09 04:29:04

●NSns3.inet.vn2026-02-23 → 2026-05-09 · 3 obs

○ 2018-01-22 17:03:50
● 2026-02-23 20:17:52
● 2026-05-09 04:29:04

●MXalt1.aspmx.l.google.com2026-02-23 → 2026-05-09 · 3 obs

○ 2018-01-22 17:03:50
● 2026-02-23 20:17:52
● 2026-05-09 04:29:04

●MXalt2.aspmx.l.google.com2026-02-23 → 2026-05-09 · 3 obs

○ 2018-01-22 17:03:50
● 2026-02-23 20:17:52
● 2026-05-09 04:29:04

●MXalt3.aspmx.l.google.com2026-02-23 → 2026-05-09 · 3 obs

○ 2018-01-22 17:03:50
● 2026-02-23 20:17:52
● 2026-05-09 04:29:04

●MXalt4.aspmx.l.google.com2026-02-23 → 2026-05-09 · 3 obs

○ 2018-01-22 17:03:50
● 2026-02-23 20:17:52
● 2026-05-09 04:29:04

●MXaspmx.l.google.com2026-02-23 → 2026-05-09 · 3 obs

○ 2018-01-22 17:03:50
● 2026-02-23 20:17:52
● 2026-05-09 04:29:04

○MXmail.nguyentanquan.com2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 03:37:22
○ 2018-01-22 17:03:50
○ 2026-05-09 04:29:04

●A103.57.221.262026-02-23 → 2026-05-09 · 3 obs

○ 2018-01-22 17:03:50
● 2026-02-23 20:17:52
● 2026-05-09 04:29:04

○A137.116.153.2382016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 03:37:22
○ 2018-01-22 17:03:50
○ 2026-05-09 04:29:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...	-
nguyentanquan.com	ns1.inet.vn, ns2.inet.vn	-

✅ Authoritative Response

Server:210.211.99.38

NS records: ns1.inet.vn, ns2.inet.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nguyentanquan.com (unsigned zone)

⏱️ Timing

Total: 1610ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.57.221.26`
NS	3	`ns1.inet.vn, ns2.inet.vn...`
MX	5	`ALT4.ASPMX.L.GOOGLE.com (pri: 10), ALT1.ASPMX.L.GOOGLE.com (pri: 5)...`
SOA	1	`ns-master.inet.vn postmaster.inet.vn`

Analysis

IP Addresses

nguyentanquan.com points to a single IP number: 103.57.221.26.

other host names for instance dhplab.vn, smartketoan.vn, thcsnguyendinhchieu.edu.vn, ruounep.com.vn and suadienlanhdongnai.vn share IP numbers with nguyentanquan.com.

Name Servers

nguyentanquan.com is delegated to four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.

nguyentanquan.com at least partially shares name servers with other domains, for instance sweetstream.vn, napoliz.vn, business.vn, maisonballade.vn and ngheai.edu.vn.