`mail.netsysteminternet.com.br`

DNSSEC	⚠️ Not signed
A	2804:1bd0::14^{🇧🇷 UNSPECIFIED2804:1bd0::/33 BATISTA PEREIRA INFORMATICA LTDA.}
		PTR	`mail.netsysteminternet.com.br`
A	131.100.12.14^{🇧🇷 UNSPECIFIED131.100.12.0/24 BATISTA PEREIRA INFORMATICA LTDA.}

`netsysteminternet.com.br`

	DNSSEC	🔒 Signed (DS record present)
	A	35.172.94.1^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
	A	100.24.208.97^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
	NS	`ns1.netsysteminternet.com.br` ⭐
	NS	`ns2.netsysteminternet.com.br`
	MX	`mail.netsysteminternet.com.br` ⭐
	TXT	`facebook-domain-verification=egpav4t5zr641m8n8t5kdxu51hvv5q`
	TXT	`v=spf1 ip4:131.100.12.14 ip6:2804:1bd0::14 include:spf.postal.netsystemintern...`
	SOA	`ns1.netsysteminternet.com.br`comercial@netsysteminternet.com.br 2026-07-17 #22

PTR for

14.12.100.131.in-addr.arpa

MX for

netsystem.tv

netsysteminternet.com.br

netsystemcampos.com.br

Same first word

mail.gov.nr

mail.sg

mail.eu.com

mail.camp

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mail.(0x7075737379)cat.jp

mail.tm

mail.boo.jp

mail.co.za

mail.zp.ua

mail.ac.me

mail.info.at

mail.nis.za

mail.mysecuritycamera.org

mail.gov.ua

mail.net.ua

mail.com.au

mail.cat

mail.vin

mail.stripper.jp

mail.tg

mail.ciao.jp

mail.gov.vc

mail.realm.cz

mail.vu

mail.center

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mail.kg

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mail.systems

mail.itigo.jp

mail.cl

mail.vc

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mail.gov.by

mail.chat

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mail.style

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mail.expert

mail.mil.tm

mail.team

mail.com.ru

mail.tn

mail.serveftp.com

mail.by

mail.peewee.jp

mail.virtualuser.de

mail.charity

mail.exchange

mail.live

mail.lk3.ru

mail.ap.gov.br

mail.dp.ua

mail.myjino.ru

mail.space

mail.net.ph

mail.rr.gov.br

mail.read-books.org

mail.ilovecollege.info

mail.gmx

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mail.community

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mail.dating

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mail.nr

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mail.mil.ru

mail.schwarz

mail.co.uk

mail.net.mk

mail.rj.gov.br

mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

mail.vacations

mail.my

mail.gov.mz

mail.gov.ph

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DNS History

2 records (2 active, 0 former)

●A131.100.12.142026-07-11 → 2026-07-19 · 4 obs

● 2026-07-11 05:55:58
○ 2026-07-14 00:57:10
● 2026-07-14 10:13:56
● 2026-07-19 05:37:36

●A2804:1bd0::142026-07-11 → 2026-07-19 · 2 obs

● 2026-07-11 05:55:58
● 2026-07-19 05:37:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	e.dns.br, b.dns.br, a.dns.br, c.dns.br...	-
netsysteminternet.com.br	ns1.netsysteminternet.com.br, ns2.netsysteminternet.com.br	4 records

✅ Authoritative Response

Server:131.100.12.11

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1117ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`131.100.12.14`
AAAA	1	`2804:1bd0::14`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.netsysteminternet.com.br, ns2.netsysteminternet.com.br, ns1.netsysteminternet.com.br...)

Analysis

Mail Server Role

The MX records for netsystem.tv, netsysteminternet.com.br and netsystemcampos.com.br point to mail.netsysteminternet.com.br.

IP Addresses

mail.netsysteminternet.com.br directs to two IP numbers, 131.100.12.14 and 2804:1bd0::14

Additional host names — mx1.netsystem.tv, mx1.netsysteminternet.com.br, mx2.netsystem.tv and two others — share IP numbers with mail.netsysteminternet.com.br.

mail.netsysteminternet.com.br - robtex.com