`sit.edu.vn`

DNSSEC	⚠️ Not signed
A	116.193.69.142^{🇻🇳 QTSP116.193.69.0/24 QTSC-VN}
		PTR	`69142.ninamailservice.com`
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	`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:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.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	`v=spf1 include:_spf.google.com ~all`
SOA	`ns1.dotvndns.vn`hostmaster@sit.edu.vn 2025-11-03 #31

`edu.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=2018564973

Subdomains

pzhenhostmaster.sit.edu.vn

uarboxuvwvrejkp.sit.edu.vn

owohhrrdey.sit.edu.vn

sec.sit.edu.vn

webmail.sit.edu.vn

cpcontacts.sit.edu.vn

m.sit.edu.vn

xuvwvrejkp.sit.edu.vn

nwww.sit.edu.vn

nwebdisk.sit.edu.vn

xvoxswebmail.sit.edu.vn

mail.sit.edu.vn

www.sit.edu.vn

smtp.sit.edu.vn

autodiscover.sit.edu.vn

vn.sit.edu.vn

383cb32d-abaa-4c64-b490-ecd50f8a1383.sit.edu.vn

webdisk.sit.edu.vn

cpanel.sit.edu.vn

ihzwtsolienlacdientu.sit.edu.vn

cpcalendars.sit.edu.vn

myvpv.sit.edu.vn

Same first word

sit.rs

sit.fi

sit.es

sit.de

sit.world

sit.ro

sit.com.uy

sit.co.at

sit.sh

sit.pl

sit.life

sit.lt

sit.ac.in

sit.sc

sit.edu.au

sit.nl

sit.cool

sit.co.bw

sit.nrw

sit.cc

sit.co.th

sit.la

sit.education

sit.com

sit.net.ru

sit.gouv.fr

sit.in

sit.lk

sit.net

sit.gob.pk

sit.com.py

sit.edu.vn

sit.me.uk

sit.jp

sit.moe

sit.business

sit.edu.sc

sit.tj

sit.puglia.it

sit.ltd

sit.re.kr

sit.dog

sit.edu.eg

sit.edu

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sit.plus

sit.sp.gov.br

sit.no

sit.earth

sit.tw

sit.mx

sit.at

sit.co

sit.ru

sit.com.mt

sit.sm

sit.co.uk

sit.ec

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sit.noip.us

sit.ad

sit.gob.gt

sit.org.pl

sit.com.ua

sit.ch

sit.academy

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sit.cz

sit.by

sit.su

sit.team

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sit.berlin

sit.bg

sit.net.au

sit.ac.jp

sit.dk

sit.ac.fj

sit.pe

sit.md

sit.eu.com

sit.im

sit.cn

sit.pt

sit.edu.pk

sit.ac.nz

sit.vg

sit.us

sit.it

sit.lv

sit.org

sit.tn

sit.hn

sit.sk

Similar names

ist.ac.at

its.co.za

its.finance

its.com.vn

tsi.vn

its.sn

ist.be

its.gov.az

its.tw

its.vision

tsi.pl

ist.edu.gr

ist.de

tis.tj

tis.bz.it

tsi.team

its.me

tsi.co.za

tsi.ru

tis.net.id

tis.co.il

its.kg

sti.pe

its.md

ist.sg

its.ir

ist.kz

its.im

tsi.kz

sti.it

ist.ca

its.cash

ist.no

ist.li

tis.ae

tis.today

sti.biz

tis.com.cn

its.cn

tis.co.th

its.solar

its.com.au

ist.st

its.net.ru

sti.edu.ph

sti.gov.cn

sti.ventures

its.de

tsi.com.pl

tis.ac.cn

ist.edu.pk

sti.sci.eg

tsi.net.pl

its.red

its.training

sti.com.ve

sti.co.kr

ist.am

ist.ru

its.qa

sti.pl

tsi.fr

its.direct

tis.ro

its.wroc.pl

its.org.pl

its.us

its.edu.mt

its.uz

its.ax

its.my

sti.farm

sti.az

sti.hu

its.mu

tis.net

ist.ac

tsi.ir

sti.be

its.ws

tsi.cz

sti.nu

ist.net

its.org.br

ist.ua

its.com.ar

its.cz

tsi.co.th

ist.it

its.blue

its.co.kr

tsi.tn

its.com.hk

its.(0x706f726e)

sti.edu

ist.lt

tis.ru

its.ac

tis.one

tis.srl

its.vn

tis.az

sti.network

its.st

tsi.com.do

tis.vg

tis.lu

tsi.com.br

tis.org

its.fyi

tis.net.au

ist.hk

its.si

tis.kr

tis.ch

sti.support

its.aero

tis.rs

sti.fi

tis.bm

tsi.sk

its.edu.mx

ist.gr

sti.com.vn

its.edu.au

its.gen.tr

ist.cc

its.digital

its.dev

tis.nu

its.com.sg

tsi.cc

sti.gov.kg

its.navy

its.com.pk

tis.pl

ist.ooo

tsi.events

tis.it

tsi.com.vn

its.es

sti.inf.br

tis.co.at

its.co.cr

its.today

tis.(0x787878)

tis.by

sti.com

tis.tn

DNS History

10 records (9 active, 1 former)

●NSns1.dotvndns.vn2018-07-23 → 2026-05-11 · 2 obs

● 2018-07-23 03:41:40
● 2026-05-11 06:18:56

●NSns2.dotvndns.vn2018-07-23 → 2026-05-11 · 2 obs

● 2018-07-23 03:41:40
● 2026-05-11 06:18:56

●NSnsbak.dotvndns.com2018-07-23 → 2026-05-11 · 2 obs

● 2018-07-23 03:41:40
● 2026-05-11 06:18:56

●MXalt1.aspmx.l.google.com2018-07-23 → 2026-05-11 · 2 obs

● 2018-07-23 03:41:40
● 2026-05-11 06:18:56

●MXalt2.aspmx.l.google.com2018-07-23 → 2026-05-11 · 2 obs

● 2018-07-23 03:41:40
● 2026-05-11 06:18:56

●MXalt3.aspmx.l.google.com2018-07-23 → 2026-05-11 · 2 obs

● 2018-07-23 03:41:40
● 2026-05-11 06:18:56

●MXalt4.aspmx.l.google.com2018-07-23 → 2026-05-11 · 2 obs

● 2018-07-23 03:41:40
● 2026-05-11 06:18:56

●MXaspmx.l.google.com2018-07-23 → 2026-05-11 · 2 obs

● 2018-07-23 03:41:40
● 2026-05-11 06:18:56

○A112.213.89.1352018-07-23 → 2018-07-23 · 4 obs

● 2018-07-23 03:41:40
● 2018-07-23 03:42:08
○ 2026-04-30 20:14:10
○ 2026-05-11 06:18:56

●A116.193.69.1422026-04-30 → 2026-05-11 · 3 obs

○ 2018-07-23 03:42:08
● 2026-04-30 20:14:10
● 2026-05-11 06:18:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
sit.edu.vn	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	-

✅ Authoritative Response

Server:112.213.89.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sit.edu.vn (unsigned zone)

⏱️ Timing

Total: 3275ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.193.69.142`
NS	3	`ns1.dotvndns.vn, ns2.dotvndns.vn...`
MX	5	`alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns1.dotvndns.vn hostmaster.sit.edu.vn`

Analysis

Hierarchy

sit.edu.vn is a parent of pzhenhostmaster.sit.edu.vn, uarboxuvwvrejkp.sit.edu.vn, owohhrrdey.sit.edu.vn, sec.sit.edu.vn, webmail.sit.edu.vn and several other host names.