`tknoithat.vn`

DNSSEC	⚠️ Not signed
A	210.245.8.134^{🇻🇳 FPT-AS-AP210.245.8.0/21 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
NS	`ns1.dkt.com.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.dkt.com.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c0b::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f27.1e100.net`
		A	142.250.101.27^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2607:f8b0:4023:2801::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f27.1e100.net`
		A	192.178.128.27^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		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	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`aspmx4.googlemail.com`⁽³⁰⁾
		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	`aspmx5.googlemail.com`⁽³⁰⁾
		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	`v=spf1 a mx ~all`
SOA	`ns1.dkt.com.vn`hostmaster@tknoithat.vn 2020-01-11 #16

`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=2030753670

Same first word

tknoithat.vn

DNS History

13 records (10 active, 3 former)

○NS112.213.89.32016-01-22 → 2017-05-14 · 7 obs

○ 2015-06-23 22:19:54
● 2016-01-22 12:17:22
○ 2016-04-19 11:28:22
● 2016-09-24 21:39:52
● 2017-05-14 15:08:22
○ 2026-03-29 03:29:58
○ 2026-05-10 02:07:08

○NS222.255.121.2472016-01-22 → 2017-05-14 · 7 obs

○ 2015-06-23 22:19:54
● 2016-01-22 12:17:22
○ 2016-04-19 11:28:22
● 2016-09-24 21:39:52
● 2017-05-14 15:08:22
○ 2026-03-29 03:29:58
○ 2026-05-10 02:07:08

●NSns1.dkt.com.vn2015-06-23 → 2026-05-10 · 2 obs

● 2015-06-23 22:19:54
● 2026-05-10 02:07:08

●NSns2.dkt.com.vn2015-06-23 → 2026-05-10 · 2 obs

● 2015-06-23 22:19:54
● 2026-05-10 02:07:08

●MXalt1.aspmx.l.google.com2015-06-23 → 2026-05-10 · 2 obs

● 2015-06-23 22:19:54
● 2026-05-10 02:07:08

●MXalt2.aspmx.l.google.com2015-06-23 → 2026-05-10 · 2 obs

● 2015-06-23 22:19:54
● 2026-05-10 02:07:08

●MXaspmx.l.google.com2015-06-23 → 2026-05-10 · 2 obs

● 2015-06-23 22:19:54
● 2026-05-10 02:07:08

●MXaspmx2.googlemail.com2015-06-23 → 2026-05-10 · 2 obs

● 2015-06-23 22:19:54
● 2026-05-10 02:07:08

●MXaspmx3.googlemail.com2015-06-23 → 2026-05-10 · 2 obs

● 2015-06-23 22:19:54
● 2026-05-10 02:07:08

●MXaspmx4.googlemail.com2015-06-23 → 2026-05-10 · 2 obs

● 2015-06-23 22:19:54
● 2026-05-10 02:07:08

●MXaspmx5.googlemail.com2015-06-23 → 2026-05-10 · 2 obs

● 2015-06-23 22:19:54
● 2026-05-10 02:07:08

○A112.213.86.1192015-06-23 → 2017-05-14 · 4 obs

● 2015-06-23 22:19:54
● 2017-05-14 15:08:22
○ 2026-03-29 03:29:58
○ 2026-05-10 02:07:08

●A210.245.8.1342026-03-29 → 2026-05-10 · 3 obs

○ 2017-05-14 15:08:22
● 2026-03-29 03:29:58
● 2026-05-10 02:07:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
tknoithat.vn	ns1.dkt.com.vn, ns2.dkt.com.vn	-

✅ Authoritative Response

Server:222.255.121.247

NS records: ns1.dkt.com.vn, ns2.dkt.com.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tknoithat.vn (unsigned zone)

⏱️ Timing

Total: 2756ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.245.8.134`
NS	2	`ns1.dkt.com.vn, ns2.dkt.com.vn`
MX	7	`ASPMX3.GOOGLEMAIL.COM (pri: 30), ASPMX2.GOOGLEMAIL.COM (pri: 30)...`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.dkt.com.vn hostmaster.tknoithat.vn`

Analysis

IP Addresses

tknoithat.vn points to a single IP: 210.245.8.134.

Other host names, for instance lucyjewelry.vn, 116profile.longvu.net, 868.com.vn, giathep24h.vn and cece.vn share IP numbers with tknoithat.vn.

Name Servers

Two name servers ns1.dkt.com.vn and ns2.dkt.com.vn handle delegation for tknoithat.vn.

tknoithat.vn uses the same name server setup as other domains, for example kimlongcnc.com, icamera.vn, xebabanhchohang.vn, trongdoitam.net.vn and vuonquocgiaxuanson.com.vn.

tknoithat.vn partially shares name servers with other domains; examples include namamotor.com, mithalo.vn, bachdanggiang.vn, arthanoi.com and onaplioa.net.