`idtt.com.vn`

DNSSEC	⚠️ Not signed
A	202.92.7.88^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns1.sapo.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.sapo.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:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:402::1a^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f26.1e100.net`
		A	142.250.102.27^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4013:c1e::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	192.178.213.27^{🇺🇸 Google192.178.213.0/24}
			PTR	`yugrqzs-in-f27.1e100.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`
TXT	`google-site-verification=b5rXxuGwIwuYzFdlE7kBTQFz-TZJ4JjDxEnfXGGqJ8E`
TXT	`v=spf1 a mx ~all`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns1.sapo.vn`hostmaster@idtt.com.vn 2025-10-21 #16

`com.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2022706613

Subdomains

mail.idtt.com.vn

www.idtt.com.vn

Same first word

idtt.com

idtt.com.vn

idtt.de

idtt.cn

idtt.io

idtt.fr

Similar names

itdt.co.uk

tdti.be

tdit.dk

ditt.us

ditt.com

ditt.de

ditt.as

dtit.dk

tdit.org

titd.cn

ditt.se

tdit.biz

ittd.nl

itdt.ru

itdt.com

ditt.nu

ttid.co.za

dtti.sa.gov.au

ditt.no

tdit.net

titd.net

ittd.cc

itdt.edu

dtit.net

ditt.it

dtit.cn

ditt.ru

ttid.com.vn

ditt.ly

ittd.ru

ditt.in

ttid.org

dtit.pl

ditt.online

dtti.org

titd.ru

tdit.ru

tdti.ca

dtit.ru

ttid.co.uk

dtti.com

ditt.pl

ditt.top

tdit.be

ttid.at

ttid.co.in

dtit.nl

tdti.com

ittd.de

ttid.pro

ditt.nl

dtti.it

tdit.info

ttdi.us

dtti.de

ttdi.co.uk

ditt.jp

ttid.dk

tdit.com

tdti.by

tdit.net.au

itdt.pl

ditt.cz

tdit.ro

ttid.com

ttdi.com

tdti.ru

titd.de

ttid.co

tdit.de

ditt.eu

itdt.de

ditt.es

ditt.be

tdit.com.au

ditt.to

DNS History

11 records (8 active, 3 former)

○NSns1.dotvndns.vn2020-02-22 → 2020-02-22 · 3 obs

● 2020-02-22 02:40:12
○ 2026-05-01 14:10:34
○ 2026-05-09 14:12:38

●NSns1.sapo.vn2020-02-22 → 2026-05-09 · 2 obs

● 2020-02-22 02:40:12
● 2026-05-09 14:12:38

●NSns2.sapo.vn2020-02-22 → 2026-05-09 · 2 obs

● 2020-02-22 02:40:12
● 2026-05-09 14:12:38

●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-09 · 3 obs

○ 2020-02-22 02:40:12
● 2026-05-01 14:10:34
● 2026-05-09 14:12:38

●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-09 · 3 obs

○ 2020-02-22 02:40:12
● 2026-05-01 14:10:34
● 2026-05-09 14:12:38

●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-09 · 3 obs

○ 2020-02-22 02:40:12
● 2026-05-01 14:10:34
● 2026-05-09 14:12:38

●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-09 · 3 obs

○ 2020-02-22 02:40:12
● 2026-05-01 14:10:34
● 2026-05-09 14:12:38

●MXaspmx.l.google.com2026-05-01 → 2026-05-09 · 3 obs

○ 2020-02-22 02:40:12
● 2026-05-01 14:10:34
● 2026-05-09 14:12:38

○MXmail.idtt.com.vn2020-02-22 → 2020-02-22 · 3 obs

● 2020-02-22 02:40:12
○ 2026-05-01 14:10:34
○ 2026-05-09 14:12:38

●A202.92.7.882026-05-01 → 2026-05-09 · 3 obs

○ 2020-02-22 02:40:12
● 2026-05-01 14:10:34
● 2026-05-09 14:12:38

○A210.245.8.1342020-02-22 → 2020-02-22 · 3 obs

● 2020-02-22 02:40:12
○ 2026-05-01 14:10:34
○ 2026-05-09 14:12:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
idtt.com.vn	ns2.sapo.vn, ns1.sapo.vn	-

✅ Authoritative Response

Server:222.255.121.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for idtt.com.vn (unsigned zone)

⏱️ Timing

Total: 1615ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.92.7.88`
NS	2	`ns2.sapo.vn, ns1.sapo.vn`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	3	`v=spf1 a mx ~all, google-site-verification=b5rXxuGwIwuYzFd...`
SOA	1	`ns1.sapo.vn hostmaster.idtt.com.vn`