cortexclasses.com - dns.ninja

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cortexclasses.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:54a6🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c34e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.84.166Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.195.78🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdaniella.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26e4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaniella.ns.cloudflare.com
A2803:f800:50::6ca2:c2e4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdaniella.ns.cloudflare.com
A2a06:98c1:50::ac40:22e4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdaniella.ns.cloudflare.com
A108.162.194.228🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaniella.ns.cloudflare.com
A162.159.38.228Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaniella.ns.cloudflare.com
A172.64.34.228🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaniella.ns.cloudflare.com
NSmario.ns.cloudflare.com
A2606:4700:58::adf5:3bcb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmario.ns.cloudflare.com
A2803:f800:50::6ca2:c1cb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmario.ns.cloudflare.com
A2a06:98c1:50::ac40:21cb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmario.ns.cloudflare.com
A108.162.193.203🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmario.ns.cloudflare.com
A172.64.33.203🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmario.ns.cloudflare.com
A173.245.59.203🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmario.ns.cloudflare.com
MXroute3.mx.cloudflare.net ⭐
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute1.mx.cloudflare.net(43)
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute2.mx.cloudflare.net(67)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.84.166, 172.67.195.78
IPv6 hints2606:4700:3032::6815:54a6, 2606:4700:3035::ac43:c34e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=19, name=cloudflare-ech.com
SOAdaniella.ns.cloudflare.comdns@cloudflare.com serial=2413005853

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1789392593

Same first word

cortexclasses.com

Previous names

cortexcentral.com
cortexcentre.com
cortexcerebri.com
cortexcf.com
cortexcg.com
cortexch.com
cortexchage.com
cortexchain.com
cortexchainai.com
cortexchannel.com
cortexcharts.com
cortexchats.com
cortexcheats.com
cortexchem.com
cortexchemicals.com
cortexchess.com
cortexchromatics.com
cortexchronicles.com
cortexcipher.com
cortexcitadel.com

Next names

cortexclaw.com
cortexclean.com
cortexcleaner.com
cortexcleaners.com
cortexcleaning.com
cortexcleans.com
cortexclear.com
cortexclerk.com
cortexclick.com
cortexclicker.com
cortexclient.com
cortexclinical.com
cortexclinicalpsychology.com
cortexclinico.com
cortexclipped.com
cortexcloud-ai.com
cortexcloud.com
cortexcloudcomputing.com
cortexcloudit.com
cortexcloudsolutions.com

DNS History

13 records (9 active, 4 former)

NSdaniella.ns.cloudflare.commario.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.84.166172.67.195.782606:4700:3032::6815:54a62606:4700:3035::ac43:c34e188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSdaniella.ns.cloudflare.com2026-08-20 → 2026-09-14 · 2 obs
● 2026-08-20 13:53:14
● 2026-09-14 13:36:42
●NSmario.ns.cloudflare.com2026-08-20 → 2026-09-14 · 2 obs
● 2026-08-20 13:53:14
● 2026-09-14 13:36:42
●MXroute1.mx.cloudflare.net2026-08-20 → 2026-09-14 · 2 obs
● 2026-08-20 13:53:14
● 2026-09-14 13:36:42
●MXroute2.mx.cloudflare.net2026-08-20 → 2026-09-14 · 2 obs
● 2026-08-20 13:53:14
● 2026-09-14 13:36:42
●MXroute3.mx.cloudflare.net2026-08-20 → 2026-09-14 · 2 obs
● 2026-08-20 13:53:14
● 2026-09-14 13:36:42
●A104.21.84.1662026-09-14 → 2026-09-14 · 3 obs
○ 2026-08-20 13:53:14
● 2026-09-14 12:40:06
● 2026-09-14 13:36:42
●A172.67.195.782026-09-14 → 2026-09-14 · 3 obs
○ 2026-08-20 13:53:14
● 2026-09-14 12:40:06
● 2026-09-14 13:36:42
○A188.114.96.02026-08-20 → 2026-08-20 · 3 obs
● 2026-08-20 13:53:14
○ 2026-09-14 12:40:06
○ 2026-09-14 13:36:42
○A188.114.97.02026-08-20 → 2026-08-20 · 3 obs
● 2026-08-20 13:53:14
○ 2026-09-14 12:40:06
○ 2026-09-14 13:36:42
●A2606:4700:3032::6815:54a62026-09-14 → 2026-09-14 · 3 obs
○ 2026-08-20 13:53:14
● 2026-09-14 12:40:06
● 2026-09-14 13:36:42
●A2606:4700:3035::ac43:c34e2026-09-14 → 2026-09-14 · 3 obs
○ 2026-08-20 13:53:14
● 2026-09-14 12:40:06
● 2026-09-14 13:36:42
○A2a06:98c1:3120::2026-08-20 → 2026-08-20 · 3 obs
● 2026-08-20 13:53:14
○ 2026-09-14 12:40:06
○ 2026-09-14 13:36:42
○A2a06:98c1:3121::2026-08-20 → 2026-08-20 · 3 obs
● 2026-08-20 13:53:14
○ 2026-09-14 12:40:06
○ 2026-09-14 13:36:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...-
cortexclasses.commario.ns.cloudflare.com, daniella.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.228

NS records: mario.ns.cloudflare.com, daniella.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortexclasses.com (unsigned zone)

⏱️ Timing

Total: 281ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.195.78, 104.21.84.166
AAAA22606:4700:3035::ac43:c34e, 2606:4700:3032::6815:54a6
NS2daniella.ns.cloudflare.com, mario.ns.cloudflare.com
MX3route3.mx.cloudflare.net (pri: 12), route1.mx.cloudflare.net (pri: 43)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1daniella.ns.cloudflare.com dns.cloudflar

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (mario.ns.cloudflare.com, mario.ns.cloudflare.com, mario.ns.cloudflare.com...)

Analysis

IP Addresses

cortexclasses.com points to the four IP addresses 104.21.84.166, 172.67.195.78, 2606:4700:3032::6815:54a6 and 2606:4700:3035::ac43:c34e.

Among the host names that share IP numbers with cortexclasses.com are revo-pl.space, luckygame88999.com, metal-eco-city.com and two others.

Name Servers

cortexclasses.com uses two name servers for its delegation: daniella.ns.cloudflare.com and mario.ns.cloudflare.com.

cortexclasses.com has the same name server delegation as a number of other domains, such as yeti-wincasino-uk.com, earningslist.com, vexcoina.workers.dev and two more.

The name servers of cortexclasses.com overlap at least partially with those of other domains — among them play-game-new.com, driftlanecreative.com, zp777.biz and two more.

These name servers commonly appear in combination with the name servers lamar.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname daniella.ns.cloudflare.com directs to 108.162.194.228, 162.159.38.228 and 172.64.34.228 along with 3 other IP addresses.

Hostname mario.ns.cloudflare.com directs to 108.162.193.203, 172.64.33.203 and 173.245.59.203 along with 3 other IP addresses.

Mail Servers

Mail for cortexclasses.com is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

cortexclasses.com shares at least some of its mail servers with other domains — for example walifeguards.com.au, wwv.cl, harambe.se and two more.

Host names resolving to 6 IP numbers:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.