cortex.com.br - dns.ninja

cortex.com.br

DNSSEC🔒 Signed (DS record present)
A191.252.196.214🇧🇷 Locaweb191.252.196.0/24 Servicos de Internet SA
PTRvps57907.publiccloud.com.br
NSe.sec.dns.br ⭐
A2001:12f8:b:1::14🇧🇷 C-DNS-BR2001:12f8:b::/48 Registro.BR Network (C.DNS.BR)
PTRe.sec.dns.br
A200.192.232.14🇧🇷 C-DNS-BR200.192.232.0/24 Registro.BR Network (C.DNS.BR)
NSf.sec.dns.br
A2001:12f8:9:1::14🇧🇷 B-DNS-BR2001:12f8:9::/48 Registro.BR Network (B.DNS.BR)
PTRf.sec.dns.br
A200.189.40.14🇧🇷 B-DNS-BR200.189.40.0/24 Registro.BR Network (B.DNS.BR)
PTRf.sec.dns.br
MXmxcorp.u.inova.com.br ⭐
A179.190.22.44🇧🇷 UNSPECIFIED179.190.22.0/24
TXTv=spf1 include:inova.net -all
TXTgoogle-site-verification=KCrF0AO980LXTJfYY355P-DMZDmWNtwb6h9aZuE_knQ
SOAe.sec.dns.brhostmaster@registro.br serial=2026206000

com.br

DNSSEC⚠️ Not signed
NSa.dns.br ⭐ ⚠️ Not in parent delegation
NSb.dns.br ⚠️ Not in parent delegation
NSc.dns.br ⚠️ Not in parent delegation
NSd.dns.br ⚠️ Not in parent delegation
NSe.dns.br ⚠️ Not in parent delegation
NSf.dns.br ⚠️ Not in parent delegation
SOAa.dns.brhostmaster@registro.br serial=2026223164
rank #545812 globally
rank #3818 in the tld
WOT: SAFE (69/100)

Same first word

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roxtec.fi
certox.de
roxtec.sg
roxtec.it
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xtcore.wiki
cretox.com
crotex.com
crotex.de
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excort.com
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roxtec.lt
roxtec.in
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rectox.com
xortec.fi
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roxtec.cl
trexco.net

DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026NSe.sec.dns.brf.sec.dns.breasydns1.dualtec.com.breasydns2.dualtec.com.brMXmxcorp.u.inova.com.brA191.252.196.214207.7.90.107
●NSe.sec.dns.br2026-03-24 → 2026-08-11 · 3 obs
○ 2017-06-03 14:03:30
● 2026-03-24 21:05:36
● 2026-08-11 06:50:32
○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
○ 2026-08-11 06:50:32
○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
○ 2026-08-11 06:50:32
●NSf.sec.dns.br2026-03-24 → 2026-08-11 · 3 obs
○ 2017-06-03 14:03:30
● 2026-03-24 21:05:36
● 2026-08-11 06:50:32
●MXmxcorp.u.inova.com.br2015-06-13 → 2026-08-11 · 2 obs
● 2015-06-13 23:50:34
● 2026-08-11 06:50:32
●A191.252.196.2142026-03-24 → 2026-08-11 · 3 obs
○ 2017-06-03 14:03:30
● 2026-03-24 21:05:36
● 2026-08-11 06:50:32
○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
○ 2026-08-11 06:50:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bre.dns.br, a.dns.br, b.dns.br, c.dns.br...-
cortex.com.bre.sec.dns.br, f.sec.dns.br-

✅ Authoritative Response

Server:200.189.40.14

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

TypeCountSample Data
A1191.252.196.214
NS2e.sec.dns.br, f.sec.dns.br
MX1mxcorp.u.inova.com.br (pri: 10)
TXT2v=spf1 include:inova.net -all, google-site-verification=KCrF0AO980LXTJf
SOA1e.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.