cortex.com.br - dns.ninja

`cortex.com.br`

DNSSEC	🔒 Signed (DS record present)
A	191.252.196.214^{🇧🇷 Locaweb191.252.196.0/24 Servicos de Internet SA}
		PTR	`vps57907.publiccloud.com.br`
NS	`e.sec.dns.br` ⭐
		A	2001:12f8:b:1::14^{🇧🇷 C-DNS-BR2001:12f8:b::/48 Registro.BR Network (C.DNS.BR)}
			PTR	`e.sec.dns.br`
		A	200.192.232.14^{🇧🇷 C-DNS-BR200.192.232.0/24 Registro.BR Network (C.DNS.BR)}
			PTR	`e.sec.dns.br`
NS	`f.sec.dns.br`
		A	2001:12f8:9:1::14^{🇧🇷 B-DNS-BR2001:12f8:9::/48 Registro.BR Network (B.DNS.BR)}
			PTR	`f.sec.dns.br`
		A	200.189.40.14^{🇧🇷 B-DNS-BR200.189.40.0/24 Registro.BR Network (B.DNS.BR)}
			PTR	`f.sec.dns.br`
MX	`mxcorp.u.inova.com.br` ⭐
		A	179.190.22.44^{🇧🇷 UNSPECIFIED179.190.22.0/24}
			PTR	`smtpmxlitepool01.velop.com`
TXT	`v=spf1 include:inova.net -all`
TXT	`v=spf1 include:mxsspf.sendpulse.com include:inova.net -all`
TXT	`google-site-verification=KCrF0AO980LXTJfYY355P-DMZDmWNtwb6h9aZuE_knQ`
SOA	`e.sec.dns.br`hostmaster@registro.br serial=2026170000

`com.br`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.br` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.br` ⚠️ Not in parent delegation
	NS	`c.dns.br` ⚠️ Not in parent delegation
	NS	`d.dns.br` ⚠️ Not in parent delegation
	NS	`e.dns.br` ⚠️ Not in parent delegation
	NS	`f.dns.br` ⚠️ Not in parent delegation
	SOA	`a.dns.br`hostmaster@registro.br serial=2026176252

rank #537101 globally
rank #4007 in the tld
WOT: SAFE (69/100)

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DNS History

7 records (4 active, 3 former)

●NSe.sec.dns.br2026-03-24 → 2026-06-25 · 3 obs

○ 2017-06-03 14:03:30
● 2026-03-24 21:05:36
● 2026-06-25 10:44:20

○NSeasydns1.dualtec.com.br2015-06-13 → 2017-06-03 · 4 obs

● 2015-06-13 23:50:34
● 2017-06-03 14:03:30
○ 2026-03-24 21:05:36
○ 2026-06-25 10:44:20

○NSeasydns2.dualtec.com.br2015-06-13 → 2017-06-03 · 4 obs

● 2015-06-13 23:50:34
● 2017-06-03 14:03:30
○ 2026-03-24 21:05:36
○ 2026-06-25 10:44:20

●NSf.sec.dns.br2026-03-24 → 2026-06-25 · 3 obs

○ 2017-06-03 14:03:30
● 2026-03-24 21:05:36
● 2026-06-25 10:44:20

●MXmxcorp.u.inova.com.br2015-06-13 → 2026-06-25 · 2 obs

● 2015-06-13 23:50:34
● 2026-06-25 10:44:20

●A191.252.196.2142026-03-24 → 2026-06-25 · 3 obs

○ 2017-06-03 14:03:30
● 2026-03-24 21:05:36
● 2026-06-25 10:44:20

○A207.7.90.1072015-06-13 → 2017-06-03 · 4 obs

● 2015-06-13 23:50:34
● 2017-06-03 14:03:30
○ 2026-03-24 21:05:36
○ 2026-06-25 10:44:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
cortex.com.br	e.sec.dns.br, f.sec.dns.br	-

✅ Authoritative Response

Server:200.192.232.14

NS records: e.sec.dns.br, f.sec.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1008ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`191.252.196.214`
NS	2	`e.sec.dns.br, f.sec.dns.br`
MX	1	`mxcorp.u.inova.com.br (pri: 10)`
TXT	3	`v=spf1 include:inova.net -all, v=spf1 include:mxsspf.sendpulse.com incl...`
SOA	1	`e.sec.dns.br hostmaster.registro.br`

Analysis

IP Addresses

cortex.com.br resolves to one IP address: 191.252.196.214.

Among the host names that share IP numbers with cortex.com.br is vps57907.publiccloud.com.br, as one example.

Name Servers

The NS records for cortex.com.br delegate to e.sec.dns.br and f.sec.dns.br.

cortex.com.br uses the same name servers as several other domains — among them suplan.com.br, blackmask.com.br, rcamail.com.br and two more.

The name servers of cortex.com.br overlap at least partially with those of other domains — among them gla.com.br, grupohermes.com.br, gofast.net.br and two more.

These name servers commonly appear in combination with the name servers d.sec.dns.br.

e.sec.dns.br resolves to 200.192.232.14 and 2001:12f8:b:1::14. Likewise, f.sec.dns.br resolves to 200.189.40.14 and 2001:12f8:9:1::14 — two IP addresses apiece.

Mail Servers

Mail for cortex.com.br is handled by a single mail server, mxcorp.u.inova.com.br.

cortex.com.br uses an identical mail server configuration to several other domains — among them goldscrin.com.br, mgcbrasil.com.br, intercard.com.br and two more.

mxcorp.u.inova.com.br resolves to 179.190.22.44 and no other IP number.