cortex.med.br - robtex.com

cortex.med.br

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:1986🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8644🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.134Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.68🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScharles.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b53🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
A2803:f800:50::6ca2:c153🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcharles.ns.cloudflare.com
A2a06:98c1:50::ac40:2153🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcharles.ns.cloudflare.com
A108.162.193.83🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
A172.64.33.83🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
A173.245.59.83🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
NSkatja.ns.cloudflare.com
A2606:4700:50::a29f:2635🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatja.ns.cloudflare.com
A2803:f800:50::6ca2:c235🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkatja.ns.cloudflare.com
A2a06:98c1:50::ac40:2235🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkatja.ns.cloudflare.com
A108.162.194.53🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatja.ns.cloudflare.com
A162.159.38.53Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatja.ns.cloudflare.com
A172.64.34.53🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatja.ns.cloudflare.com
MXmail.cortex.med.br ⭐
A69.6.223.107🇺🇸 ORACLE-OCI-3189869.6.220.0/22 Oracle Corporation
PTRdedi-14943179.reneveras.com.br
TXTgoogle-site-verification=1I9sBTI1AREWmqMw13VBz8sbDlYrjgKYzE06hh-SyoI
TXTv=spf1 ip4:69.6.223.107 include:websitewelcome.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.134, 172.67.134.68
IPv6 hints2606:4700:3031::6815:1986, 2606:4700:3036::ac43:8644
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com
SOAcharles.ns.cloudflare.comdns@cloudflare.com serial=2403926425

med.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=2026133564
rank #7935 globally
rank #53 in the tld
This domain name likely refers to a website in Brazil (as indicated by the .br) that is related to the medical field (as suggested by the "med"). The specific website could range from a medical clinic, hospital, health organization, or a professional doctor's personal page. The exact purpose would be determined by the individual or organization who registered the domain.WOT: SAFE (99/100)

Subdomains

mail.cortex.med.br

Same first word

cortex.us
cortex.me
cortex.online
cortex.in
cortex.to
cortex.med.br
cortex.so
cortex.com
cortex.az
cortex.tv
cortex.com.pl
cortex.ch
cortex.ws
cortex.dev
cortex.cz
cortex.mobi
cortex.art.br
cortex.graphics
cortex.si
cortex.nl
cortex.host
cortex.hu
cortex.com.au
cortex.se
cortex.bz
cortex.fi
cortex.co.il
cortex.ph
cortex.college
cortex.co.nz
cortex.inc
cortex.lv
cortex.jp
cortex.de
cortex.design
cortex.mx
cortex.biz
cortex.ro
cortex.awsapps.com
cortex.cn
cortex.camera
cortex.kg
cortex.computer
cortex.la
cortex.eu
cortex.fr
cortex.com.br
cortex.su
cortex.no
cortex.net
cortex.ru
cortex.ca
cortex.lt
cortex.ee
cortex.io
cortex.lu
cortex.ind.br

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roxtec.sk
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roxtec.us

DNS History

7 records (7 active, 0 former)

NScharles.ns.cloudflare.comkatja.ns.cloudflare.comMXmail.cortex.med.brA104.21.25.134172.67.134.682606:4700:3031::6815:19862606:4700:3036::ac43:8644
●NScharles.ns.cloudflare.com2026-05-07 → 2026-05-13 · 2 obs
● 2026-05-07 03:51:30
● 2026-05-13 23:30:38
●NSkatja.ns.cloudflare.com2026-05-07 → 2026-05-13 · 2 obs
● 2026-05-07 03:51:30
● 2026-05-13 23:30:38
●MXmail.cortex.med.br2026-05-07 → 2026-05-13 · 2 obs
● 2026-05-07 03:51:30
● 2026-05-13 23:30:38
●A104.21.25.1342026-05-07 → 2026-05-13 · 2 obs
● 2026-05-07 03:51:30
● 2026-05-13 23:30:38
●A172.67.134.682026-05-07 → 2026-05-13 · 2 obs
● 2026-05-07 03:51:30
● 2026-05-13 23:30:38
●A2606:4700:3031::6815:19862026-05-07 → 2026-05-13 · 2 obs
● 2026-05-07 03:51:30
● 2026-05-13 23:30:38
●A2606:4700:3036::ac43:86442026-05-07 → 2026-05-13 · 2 obs
● 2026-05-07 03:51:30
● 2026-05-13 23:30:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brd.dns.br, e.dns.br, a.dns.br, c.dns.br...-
cortex.med.brcharles.ns.cloudflare.com, katja.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.83

NS records: charles.ns.cloudflare.com, katja.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortex.med.br (unsigned zone)

⏱️ Timing

Total: 626ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.25.134, 172.67.134.68
AAAA22606:4700:3036::ac43:8644, 2606:4700:3031::6815:1986
NS2charles.ns.cloudflare.com, katja.ns.cloudflare.com
MX1mail.cortex.med.br (pri: 10)
TXT2google-site-verification=1I9sBTI1AREWmqM, v=spf1 ip4:69.6.223.107 include:websitew
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1charles.ns.cloudflare.com dns.cloudflare

Analysis

Hierarchy

The parent of mail.cortex.med.br is cortex.med.br.

IP Addresses

cortex.med.br maps to four IP numbers: 2606:4700:3031::6815:1986, 2606:4700:3036::ac43:8644, 104.21.25.134 and 172.67.134.68.

other host names include bolauae1.net, mx2.ozmakina.com.tr, lawfaqs.org, cashier.onetoauto.com and zbxinda.com; they share IP numbers with cortex.med.br.

Name Servers

Two name servers charles.ns.cloudflare.com and katja.ns.cloudflare.com handle the delegation for cortex.med.br.

cortex.med.br shares the same name server setup as other domains, for instance alwaysarianne.com, telmuun.com, erl2h3kmoamb24.cyou, llamamaandbubba.com and bnnqph.com.

cortex.med.br at least partially shares name servers with other domains, for instance yklqkj.com, sorg.org, lc4z.com, birubifoods.com.au and rm355.com.

These name servers are commonly used with damian.ns.cloudflare.com and crystal.ns.cloudflare.com.

Six IP addresses per host:

charles.ns.cloudflare.com points to 2606:4700:58::adf5:3b53, 2803:f800:50::6ca2:c153, 2a06:98c1:50::ac40:2153, 108.162.193.83, 172.64.33.83 and 173.245.59.83; katja.ns.cloudflare.com points to 2606:4700:50::a29f:2635, 2803:f800:50::6ca2:c235, 2a06:98c1:50::ac40:2235, 108.162.194.53, 162.159.38.53 and 172.64.34.53

Mail Servers

cortex.med.br is handled by a single mail server, mail.cortex.med.br.

The host name mail.cortex.med.br points to IP 69.6.223.107.