`mail.languagecert.vn`

	DNSSEC	⚠️ Not signed
	A	221.121.12.240^{🇻🇳 SPT-AS-VN221.121.0.0/18 SPT-VN}

`languagecert.vn`

	DNSSEC	⚠️ Not signed
	A	171.244.206.92^{🇻🇳 VTDC-AS-VN171.244.204.0/22 Proxy-registered route object}
	NS	`ns1.matbao.vn` ⭐
	NS	`ns2.matbao.vn`
	MX	`mail.languagecert.vn` ⭐
	TXT	`v=spf1 mx a ptr ip4:221.121.12.240 ?all`
	SOA	`ns1.matbao.vn`admin@matbao.com 2025-12-24 #1

MX for

languagecert.vn

Same first word

mail.ras.ru

mail.ls

mail.app

mail.co.kr

mail.rv.ua

mail.ox.rs

mail.idv.tw

mail.toray

mail.pt

mail.ke

mail.net.sa

mail.idf.il

mail.house

mail.mk

mail.club

mail.news

mail.daa.jp

mail.sd

mail.co.id

mail.top

mail.health-carereform.com

mail.iki.fi

mail.limited

mail.man

mail.gen.tr

mail.zip

mail.dvrcam.info

mail.gov.gd

mail.brasilia.me

mail.hopto.me

mail.pn

mail.panel.dev

mail.gov.il

mail.ie

mail.co.cr

mail.pa

mail.schaeffler

mail.gov.to

mail.berlin

mail.dynns.com

mail.go.id

mail.tl

mail.rec.br

mail.com.ps

mail.(0x6c6f6c697461)punk.jp

mail.sc

mail.gov.ie

mail.company

mail.gov.mn

mail.priv.pl

mail.mw

mail.gov.na

mail.co.nz

mail.sdscloud.pl

mail.az

mail.is

mail.id

mail.tr

mail.tt

mail.media

mail.vinnica.ua

mail.readymade.jp

mail.raindrop.jp

mail.tj

mail.mydissent.net

mail.spdns.org

mail.lk

mail.fish

mail.pp.ua

mail.fun

mail.no-ip.net

mail.mn

mail.mydns.bz

mail.fem.jp

mail.health

mail.s3.amazonaws.com

mail.gov.ye

mail.com.kg

mail.nra

mail.couchpotatofries.org

mail.radio.fm

mail.od.ua

mail.ms

mail.boleslawiec.pl

mail.mydns.vc

mail.lutsk.ua

mail.kz

mail.im

mail.kaas.gg

mail.it.com

mail.gov.mg

mail.ss

mail.co

mail.tc

mail.gda.pl

mail.world

mail.pe

mail.sunnyday.jp

mail.group

mail.gov

Similar names

ilma.pl

mail.net.vn

mail.lib.wy.us

lami.com.au

mail.pictures

ilma.org

mail.gov.kg

mail.ag

mail.hk

mail.win

mail.net

ilam.ph

amli.fi

ilma.wpmudev.host

mail.ne.kr

mail.support

ilam.org.tr

mail.de

mail.hacca.jp

mail.moo.jp

almi.ru

liam.nu

mail.new

amil.gal

imal.org.mx

mail.teva

mail.gov.al

mail.kapsi.fi

mail.cutegirl.jp

mali.com

mail.gov.az

mail.io

mail.cash

mail.eus

mail.firewall-gateway.com

mali.ru

amli.kommune.no

mlai.melbourne

mail.pro

mail.pupu.jp

mail.vivian.jp

mila.fi

mail.df.gov.br

mail.ci

mali.nl

mail.chirurgiens-dentistes.fr

mail.frenchkiss.jp

mail.blogspot.be

amli.fr

ilam.in

mail.go.kr

almi.odessa.ua

almi.mobi

mail.my-gateway.de

mail.wedding

mail.za.bz

lima.city

almi.shop

mail.to

mail.tf

iaml.org

mail.ba

almi.com.br

mail.lviv.ua

amil.cn

mail.ki

mali.at

mila.ca

liam.biz

mail.lima-city.de

mail.mysecuritycamera.com

mail.microsoft

mail.mil.tw

mail.org.in

mail.deals

lami.at

mila.quebec

amli.work

mail.edu.pl

ilma.lt

mail.cfolks.pl

mail.cm

mail.go.th

alim.biz

mail.mil.cn

mail.poivron.org

lami.com.co

mail.dnshome.de

mail.jp

mail.mp

mail.ac

mail.fund

lima.world

mail.edu.bi

almi.de

mail.uk.com

mail.mysecuritycamera.net

iaml.dj

mila.co.uk

lima.co.za

DNS History

1 record (1 active, 0 former)

●A221.121.12.2402026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 01:33:40
● 2026-05-10 21:54:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
languagecert.vn	ns1.matbao.vn, ns2.matbao.vn	2 records

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for languagecert.vn (unsigned zone)

⏱️ Timing

Total: 4220ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`221.121.12.240`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.matbao.vn, ns2.matbao.vn)

Analysis

Mail Server Role

mail.languagecert.vn is the mail server for languagecert.vn.

IP Addresses

mail.languagecert.vn resolves to one IP number: 221.121.12.240.

Other host names such as mail.i-test4u.vn and mail.i-course.vn share IP numbers with mail.languagecert.vn.

mail.languagecert.vn - robtex.com