🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`nac.imatron.com.br`

DNSSEC	⚠️ Not signed
A	201.139.92.73^{🇧🇷 UNSPECIFIED201.139.92.0/24 E2Network Telecom Brasil Ltda.}
		PTR	`nac.imatron.com.br`

`imatron.com.br`

	DNSSEC	🔒 Signed (DS record present)
	A	177.38.224.227^{🇧🇷 AS28216177.38.224.0/23 CLARO S.A. Customer}
	NS	`a.sec.dns.br` ⭐
	NS	`b.sec.dns.br`
	MX	`nac.imatron.com.br` ⭐
	TXT	`v=spf1 ip4:201.139.92.73 a mx ptr -all`
	SOA	`a.sec.dns.br`hostmaster@registro.br serial=2026283000

PTR for

73.92.139.201.in-addr.arpa

Previously NS for

imatron.com.br

MX for

imatron.com.br

Same first word

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cna.jp

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acn.app

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acn.am

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acn.workers.dev

acn.tel

nac.edu.eg

cna.nl.ca

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nac.name

anc.org.pe

can.ac.cn

cna.ac.jp

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acn.com.sg

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cna.careers

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can.lv

nca.com.mx

can.com.uy

nca.ph

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nac.com.pl

nac.net.ly

anc.com.co

nac.in

Previous names

Next names

DNS History

2 records (1 active, 1 former)

○A187.115.125.1302017-04-07 → 2017-04-07 · 3 obs

● 2017-04-07 13:24:08
○ 2026-02-22 14:10:46
○ 2026-10-18 02:36:58

●A201.139.92.732026-02-22 → 2026-10-18 · 3 obs

○ 2017-04-07 13:24:08
● 2026-02-22 14:10:46
● 2026-10-18 02:36:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
imatron.com.br	a.sec.dns.br, b.sec.dns.br	-

✅ Authoritative Response

Server:200.192.232.11

NS records: a.sec.dns.br, b.sec.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1917ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`201.139.92.73`

Analysis

Mail Server Role

Mail for imatron.com.br is routed through the mail server nac.imatron.com.br.

IP Addresses

nac.imatron.com.br has exactly one IP address — 201.139.92.73.

nac.imatron.com.br - robtex.com