`mail.mastercabo.com.br`

CNAME	`mail-ha.skymail.net.br`
DNSSEC	⚠️ Not signed
A	168.0.132.204^{🇧🇷 AS265262168.0.132.0/24}
		PTR	`nmail-ha.skymail.net.br`

`mastercabo.com.br`

	DNSSEC	⚠️ Not signed
	A	189.91.1.55^{🇧🇷 RBC189.91.1.0/24 - Rede Brasileira de Comunicacao Ltda}
	NS	`ns1.mastercabo.com.br` ⭐
	NS	`ns2.mastercabo.com.br`
	NS	`ns3.mastercabo.com.br` ⚠️ Not in parent delegation
	NS	`ns4.mastercabo.com.br` ⚠️ Not in parent delegation
	MX	`mx-ha.skymail.net.br` ⭐
	TXT	`v=spf1 include:spf.skymail.net.br -all`
	SOA	`ns1.mastercabo.com.br`admin@mastercabo.com.br 2025-01-21 #1

WOT: SAFE (61/100)
WOT: SAFE (67/100)
📈 Tranco rank: #78,794

PTR for

41.0.91.189.in-addr.arpa

40.0.91.189.in-addr.arpa

44.0.91.189.in-addr.arpa

MX for

vipbl.com.br

Previously MX for

Same first word

mail.red

mail.co.il

mail.pf

mail.com.mx

mail.uy

mail.gt

mail.training

mail.in.ua

mail.cx

mail.gm

mail.su

mail.toshiba

mail.hosting

mail.net.tr

mail.fm

mail.mil

mail.f5.si

mail.party

mail.tax

mail.coop

mail.directory

mail.freemyip.com

mail.com.tw

mail.hk.com

mail.mh

mail.gov.mw

mail.gov.bn

mail.mmafan.biz

mail.ky

mail.synology-diskstation.de

mail.schoolbus.jp

mail.cn.ua

mail.uz.ua

mail.cool

mail.uk

mail.ru.com

mail.littlestar.jp

mail.com.se

mail.gov.ao

mail.me

mail.ac.gov.br

mail.edu.me

mail.pr

mail.mlbfan.org

mail.ph

mail.nhlfan.net

mail.gru.br

mail.gl

mail.link

mail.no

mail.net.vn

mail.lib.wy.us

mail.pictures

mail.gov.kg

mail.ag

mail.hk

mail.win

mail.net

mail.ne.kr

mail.support

mail.de

mail.hacca.jp

mail.moo.jp

mail.new

mail.teva

mail.gov.al

mail.kapsi.fi

mail.cutegirl.jp

mail.gov.az

mail.io

mail.cash

mail.eus

mail.firewall-gateway.com

mail.pro

mail.pupu.jp

mail.vivian.jp

mail.df.gov.br

mail.ci

mail.chirurgiens-dentistes.fr

mail.frenchkiss.jp

mail.blogspot.be

mail.go.kr

mail.my-gateway.de

mail.wedding

mail.za.bz

mail.to

mail.tf

mail.ba

mail.lviv.ua

mail.ki

mail.lima-city.de

mail.mysecuritycamera.com

mail.microsoft

mail.mil.tw

mail.org.in

mail.deals

mail.edu.pl

mail.cfolks.pl

mail.cm

mail.go.th

Similar names

ilam.ru

mail.(0x6c6f6c697461)punk.jp

mila.fr

mail.sc

ialm.com.br

mail.gov.ie

ilam.co.uk

lima.lu

imal.com.tr

mail.company

lima.oh.us

mail.gov.mn

mail.priv.pl

lmia.org

mail.mw

mila.online

lima.com.ua

mail.gov.na

alim.com.my

amil.healthcare

mail.co.nz

lima.net.ua

mail.sdscloud.pl

mail.az

mila.media

mali.ir

mail.is

lmai.ru

almi.nu

lima.plus

mail.id

liam.eu

mila.com.ua

ialm.info

mail.tr

mail.tt

imal.eu

mail.media

mail.vinnica.ua

mail.readymade.jp

mail.raindrop.jp

mail.tj

liam.blue

mail.mydissent.net

mail.spdns.org

mail.lk

imla.kr

mali.vn

almi.at

mail.fish

imla.it

mila.photography

mila.com.vn

mail.pp.ua

mail.fun

ilma.jp

mila.be

lami.com.sg

aiml.io

mail.no-ip.net

mail.mn

ilam.ac.ir

mail.mydns.bz

amil.br.com

ilma.info

mail.fem.jp

mail.health

mail.s3.amazonaws.com

mali.pe

mail.gov.ye

lmia.cl

alim.kz

laim.com.ua

mail.com.kg

mail.nra

mail.couchpotatofries.org

aiml.nl

mail.radio.fm

mail.od.ua

aiml.biz

aiml.de

lima.asso.fr

mail.ms

mail.boleslawiec.pl

lima.su

lima.pl

mila.world

mail.mydns.vc

lima.im

mail.lutsk.ua

mail.kz

mail.im

alim.hu

mila.se

mail.kaas.gg

mail.it.com

mail.gov.mg

mail.ss

liam.co.il

mail.co

DNS History

13 records (1 active, 12 former)

○A189.91.0.402015-08-19 → 2016-07-11 · 4 obs

● 2015-08-19 17:30:06
● 2016-07-11 00:05:04
○ 2016-07-22 08:51:32
○ 2026-05-11 04:47:48

○A189.91.0.412015-08-19 → 2016-07-11 · 4 obs

● 2015-08-19 17:30:06
● 2016-07-11 00:05:04
○ 2016-07-22 08:51:32
○ 2026-05-11 04:47:48

○A189.91.0.422015-08-19 → 2016-07-11 · 4 obs

● 2015-08-19 17:30:06
● 2016-07-11 00:05:04
○ 2016-07-22 08:51:32
○ 2026-05-11 04:47:48

○A189.91.0.432015-08-19 → 2016-07-11 · 4 obs

● 2015-08-19 17:30:06
● 2016-07-11 00:05:04
○ 2016-07-22 08:51:32
○ 2026-05-11 04:47:48

○A189.91.0.442015-08-19 → 2016-07-11 · 4 obs

● 2015-08-19 17:30:06
● 2016-07-11 00:05:04
○ 2016-07-22 08:51:32
○ 2026-05-11 04:47:48

○A189.91.0.452015-08-19 → 2016-07-11 · 4 obs

● 2015-08-19 17:30:06
● 2016-07-11 00:05:04
○ 2016-07-22 08:51:32
○ 2026-05-11 04:47:48

○A189.91.0.462015-08-19 → 2016-07-11 · 4 obs

● 2015-08-19 17:30:06
● 2016-07-11 00:05:04
○ 2016-07-22 08:51:32
○ 2026-05-11 04:47:48

○A189.91.0.472015-08-19 → 2016-07-11 · 4 obs

● 2015-08-19 17:30:06
● 2016-07-11 00:05:04
○ 2016-07-22 08:51:32
○ 2026-05-11 04:47:48

○A191.240.2.22021-06-04 → 2021-06-04 · 4 obs

○ 2017-09-21 19:54:56
● 2021-06-04 00:51:32
○ 2026-03-03 15:13:20
○ 2026-05-11 04:47:48

○A191.240.2.32016-07-22 → 2017-02-17 · 5 obs

○ 2016-07-11 00:05:04
● 2016-07-22 08:51:32
● 2017-02-17 13:45:00
○ 2017-07-10 12:26:14
○ 2026-05-11 04:47:48

○A191.240.6.202017-07-10 → 2017-09-21 · 5 obs

○ 2017-02-17 13:45:00
● 2017-07-10 12:26:14
● 2017-09-21 19:54:56
○ 2021-06-04 00:51:32
○ 2026-05-11 04:47:48

●CNAMEmail-ha.skymail.net.br2026-03-03 → 2026-05-11 · 3 obs

○ 2017-07-10 12:26:14
● 2026-03-03 15:13:20
● 2026-05-11 04:47:48

○CNAMEmail.soumaster.com.br2016-07-22 → 2017-02-17 · 4 obs

● 2016-07-22 08:51:32
● 2017-02-17 13:45:00
○ 2017-07-10 12:26:14
○ 2026-05-11 04:47:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	f.dns.br, d.dns.br, b.dns.br, e.dns.br...	-
mastercabo.com.br	ns1.mastercabo.com.br, ns2.mastercabo.com.br	2 records

✅ Authoritative Response

Server:191.240.3.12

NS records: ns1.mastercabo.com.br, ns2.mastercabo.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastercabo.com.br (unsigned zone)

⏱️ Timing

Total: 735ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail-ha.skymail.net.br`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.mastercabo.com.br, ns2.mastercabo.com.br)

Analysis

Mail Server Role

mail.mastercabo.com.br is the mail server for vipbl.com.br.

IP Addresses

mail.mastercabo.com.br resolves to one IP number: 168.0.132.204.

other host names including mail.danielatombini.com.br, mail-ha.skymail.net.br, mail.emailhibrido.com.br, mail.control.eng.br and nmail-ha.skymail.net.br share IP numbers with mail.mastercabo.com.br.

mail.mastercabo.com.br - robtex.com