`linkedwell.vn`

DNSSEC	⚠️ Not signed
A	103.7.40.185^{🇻🇳 SUPERDATA103.7.40.0/24 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	`mx40185.superdata.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`
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	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dl-in-f27.1e100.net`
		A	74.125.137.26^{🇺🇸 Google74.125.137.0/24}
			PTR	`dy-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.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	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`google-site-verification=7jQ2IBBpmsV4noxPwxNmWIAKtXgCtkRGJ-AyD9pzwA4`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns1.dotvndns.vn`hostmaster@linkedwell.vn 2025-05-15 #4

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030754014

Same first word

linkedwell.vn

DNS History

10 records (10 active, 0 former)

●NSns1.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:51:12
● 2026-05-10 04:51:28

●NSns2.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:51:12
● 2026-05-10 04:51:28

●NSns3.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:51:12
● 2026-05-10 04:51:28

●NSnsbak.dotvndns.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:51:12
● 2026-05-10 04:51:28

●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:51:12
● 2026-05-10 04:51:28

●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:51:12
● 2026-05-10 04:51:28

●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:51:12
● 2026-05-10 04:51:28

●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:51:12
● 2026-05-10 04:51:28

●MXaspmx.l.google.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:51:12
● 2026-05-10 04:51:28

●A103.7.40.1852026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 10:51:12
● 2026-05-10 04:51:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
linkedwell.vn	nsbak.dotvndns.com, ns2.dotvndns.vn, ns1.dotvndns.vn, ns3.dotvndns.vn	4 records

✅ Authoritative Response

Server:222.255.121.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linkedwell.vn (unsigned zone)

⏱️ Timing

Total: 2351ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.7.40.185`
NS	4	`ns3.dotvndns.vn, ns2.dotvndns.vn...`
MX	5	`alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...`
TXT	2	`v=spf1 include:_spf.google.com ~all, google-site-verification=7jQ2IBBpmsV4nox`
SOA	1	`ns1.dotvndns.vn hostmaster.linkedwell.vn`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)

Analysis

IP Addresses

linkedwell.vn points to an IP address: 103.7.40.185.

other host names include conjsc3.com.vn, ttobro.com, baesicstore.com, viencongnghetaichinh.edu.vn and itc-vn.com; they share IP numbers with linkedwell.vn.

Name Servers

linkedwell.vn delegates to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

linkedwell.vn at least partially shares name servers with other domains, for instance dienthoaigiakho.com, teachvietnam.edu.vn, ebis.vn, quylinh.vn and fetu.edu.vn.