`aa.edu.vn`

DNSSEC	⚠️ Not signed
NS	`ns1.pavietnam.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.pavietnam.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.pavietnam.net`
		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`
SOA	`ns1.pavietnam.vn`hostmaster@aa.edu.vn 2025-11-03 #3

`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=2018558309

Same first word

aa.casino

aa.edu.vn

aa.dog

aa.edu

aa.nl

aa.eu

aa.ee

aa.com.hk

aa.se

aa.city

aa.org.sg

aa.sk

aa.servecounterstrike.com

aa.beer

aa.fit

aa.agency

aa.hk

aa.biz.pk

aa.team

aa.my

aa.mk

aa.edu.jo

aa.video

aa.fyi

aa.org.ua

aa.co.nz

aa.gold

aa.wtf

aa.ie

aa.sv

aa.cn

aa.co.uk

aa.net.tr

aa.bs

aa.cz

aa.com.ar

aa.com.pe

aa.consulting

aa.net.pk

aa.ag

aa.gg

aa.coach

aa.net.sa

aa.gx.cn

aa.life

aa.co

aa.gy

aa.de

aa.st

aa.vin

aa.tj

aa.com.pt

aa.com.tr

aa.lviv.ua

aa.law

aa.country

aa.network

aa.co.tz

aa.company

aa.bb

aa.biz

aa.edu.sa

aa.fi

aa.ke

aa.design

aa.jo

aa.lc

aa.org.pl

aa.com.kw

aa.vip

aa.academy

aa.idv.tw

aa.graphics

aa.ph

aa.com.do

aa.rv.ua

aa.cl

aa.org

aa.hu

aa.insure

aa.edu.pl

aa.cc

aa.by

aa.net.uk

aa.org.lv

aa.com.br

aa.org.br

aa.lt

aa.tc

aa.kg

aa.digital

aa.co.kr

aa.tires

aa.tel

aa.com.co

aa.org.au

aa.cpa

aa.no

aa.co.za

aa.horse

aa.cx

aa.cab

aa.game

aa.cr

aa.gov.il

aa.nu

aa.com.pl

aa.is

aa.net.nz

aa.be

aa.works

aa.lv

aa.si

aa.tv

aa.am

aa.bz

aa.live

aa.wpmudev.host

aa.ai

aa.tax

aa.uz

aa.net.pl

DNS History

17 records (3 active, 14 former)

●NSns1.pavietnam.vn2026-04-11 → 2026-04-12 · 3 obs

○ 2017-03-27 04:39:24
● 2026-04-11 18:10:30
● 2026-04-12 16:16:32

○NSns1.phuongnamdesign.com2016-03-13 → 2016-12-19 · 5 obs

○ 2015-11-17 09:20:40
● 2016-03-13 10:39:20
● 2016-12-19 01:07:06
○ 2017-03-27 04:39:24
○ 2026-04-12 16:16:32

○NSns2.dotvndns.vn2016-08-09 → 2016-12-19 · 5 obs

○ 2016-06-13 13:57:44
● 2016-08-09 10:36:04
● 2016-12-19 01:07:06
○ 2017-03-27 04:39:24
○ 2026-04-12 16:16:32

●NSns2.pavietnam.vn2026-04-11 → 2026-04-12 · 3 obs

○ 2017-03-27 04:39:24
● 2026-04-11 18:10:30
● 2026-04-12 16:16:32

○NSns2.phuongnamdesign.com2016-03-13 → 2016-06-13 · 5 obs

○ 2015-11-17 09:20:40
● 2016-03-13 10:39:20
● 2016-06-13 13:57:44
○ 2016-08-09 10:36:04
○ 2026-04-12 16:16:32

○NSns3.vdc3.vn2015-07-17 → 2015-11-17 · 4 obs

● 2015-07-17 06:31:34
● 2015-11-17 09:20:40
○ 2016-03-13 10:39:20
○ 2026-04-12 16:16:32

○NSns4.vdc3.vn2015-07-17 → 2015-11-17 · 4 obs

● 2015-07-17 06:31:34
● 2015-11-17 09:20:40
○ 2016-03-13 10:39:20
○ 2026-04-12 16:16:32

●NSnsbak.pavietnam.net2026-04-11 → 2026-04-12 · 3 obs

○ 2017-03-27 04:39:24
● 2026-04-11 18:10:30
● 2026-04-12 16:16:32

○MXalt1.aspmx.l.google.com2016-03-13 → 2016-12-19 · 5 obs

○ 2015-11-17 09:20:40
● 2016-03-13 10:39:20
● 2016-12-19 01:07:06
○ 2017-03-27 04:39:24
○ 2026-04-12 16:16:32

○MXalt2.aspmx.l.google.com2016-03-13 → 2016-12-19 · 5 obs

○ 2015-11-17 09:20:40
● 2016-03-13 10:39:20
● 2016-12-19 01:07:06
○ 2017-03-27 04:39:24
○ 2026-04-12 16:16:32

○MXalt3.aspmx.l.google.com2016-03-13 → 2016-12-19 · 5 obs

○ 2015-11-17 09:20:40
● 2016-03-13 10:39:20
● 2016-12-19 01:07:06
○ 2017-03-27 04:39:24
○ 2026-04-12 16:16:32

○MXalt4.aspmx.l.google.com2016-03-13 → 2016-12-19 · 5 obs

○ 2015-11-17 09:20:40
● 2016-03-13 10:39:20
● 2016-12-19 01:07:06
○ 2017-03-27 04:39:24
○ 2026-04-12 16:16:32

○MXaspmx.l.google.com2016-03-13 → 2016-12-19 · 5 obs

○ 2015-11-17 09:20:40
● 2016-03-13 10:39:20
● 2016-12-19 01:07:06
○ 2017-03-27 04:39:24
○ 2026-04-12 16:16:32

○MXmail.aa.edu.vn2015-07-17 → 2015-11-17 · 4 obs

● 2015-07-17 06:31:34
● 2015-11-17 09:20:40
○ 2016-03-13 10:39:20
○ 2026-04-12 16:16:32

○A116.193.76.1682016-03-13 → 2016-12-19 · 5 obs

○ 2015-11-17 09:20:40
● 2016-03-13 10:39:20
● 2016-12-19 01:07:06
○ 2017-03-27 04:39:24
○ 2026-04-12 16:16:32

○A203.119.8.1072017-03-27 → 2017-03-27 · 4 obs

○ 2016-12-19 01:07:06
● 2017-03-27 04:39:24
○ 2017-09-21 06:53:26
○ 2026-04-12 16:16:32

○A203.162.31.1162015-07-17 → 2015-11-17 · 4 obs

● 2015-07-17 06:31:34
● 2015-11-17 09:20:40
○ 2016-03-13 10:39:20
○ 2026-04-12 16:16:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
aa.edu.vn	ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn	-

✅ Authoritative Response

Server:112.213.89.22

NS records: ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2433ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.pavietnam.vn, ns2.pavietnam.vn...`
SOA	1	`ns1.pavietnam.vn hostmaster.aa.edu.vn`

Analysis

Name Servers

aa.edu.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

aa.edu.vn partially shares name servers with other domains; examples include duocvietduc.net, dauchankhong.vn, 123corp.net, helennailcare.com and banhsua.vn.

These name servers commonly accompany ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and nsbak.pavietnam.vn.

Host names with two IP numbers:

nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22.

ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3.

ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247.

aa.edu.vn - robtex.com

aa.edu.vn

edu.vn

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

`aa.edu.vn`

`edu.vn`