🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cortexnote.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:9e46^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:493a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.58^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.70^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`khloe.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:268b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`khloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`khloe.ns.cloudflare.com`
		A	108.162.194.139^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
		A	162.159.38.139^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
		A	172.64.34.139^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
NS	`randy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c36d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`randy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:236d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`randy.ns.cloudflare.com`
		A	108.162.195.109^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randy.ns.cloudflare.com`
		A	162.159.44.109^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randy.ns.cloudflare.com`
		A	172.64.35.109^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randy.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c06::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f26.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=PeFRkw7WuyJTeCxbdVpDcty3UEunpXs_OzLMGymXKa8`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.58, 172.67.158.70
		IPv6 hints	2606:4700:3035::ac43:9e46, 2606:4700:3036::6815:493a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com
SOA	`khloe.ns.cloudflare.com`dns@cloudflare.com serial=2413137415

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

cortexnote.app

Similar names

recontexto.com

neocortext.net

Previous names

Next names

DNS History

11 records (11 active, 0 former)

●NSkhloe.ns.cloudflare.com2026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

●NSrandy.ns.cloudflare.com2026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

●MXalt1.aspmx.l.google.com2026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

●MXalt2.aspmx.l.google.com2026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

●MXalt3.aspmx.l.google.com2026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

●MXalt4.aspmx.l.google.com2026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

●MXaspmx.l.google.com2026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

●A104.21.73.582026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

●A172.67.158.702026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

●A2606:4700:3035::ac43:9e462026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

●A2606:4700:3036::6815:493a2026-08-21 → 2026-08-26 · 2 obs

● 2026-08-21 10:35:44
● 2026-08-26 19:44:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
cortexnote.app	randy.ns.cloudflare.com, khloe.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.139

NS records: randy.ns.cloudflare.com, khloe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortexnote.app (unsigned zone)

⏱️ Timing

Total: 570ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.73.58, 172.67.158.70`
AAAA	2	`2606:4700:3035::ac43:9e46, 2606:4700:3036::6815:493a`
NS	2	`khloe.ns.cloudflare.com, randy.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=PeFRkw7WuyJTeCx, v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`khloe.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

cortexnote.app has four IP addresses: 104.21.73.58, 172.67.158.70, 2606:4700:3035::ac43:9e46 and 2606:4700:3036::6815:493a.

Additional host names — tierleckerli.com, axisnexusplatform.click, tedsysolutions.com and two others — share IP numbers with cortexnote.app.

Name Servers

cortexnote.app is served by two delegated name servers, khloe.ns.cloudflare.com and randy.ns.cloudflare.com.

cortexnote.app shares its name server setup with other domains, including hotelikin.com, aetoshq.com, clavioperaniri.com and two others.

cortexnote.app shares at least some of its name servers with other domains, including foxnode56300.workers.dev, dean-002.workers.dev, hr-s-rvwfyea.cc and two others.

These name servers are frequently paired with the name servers rory.ns.cloudflare.com and kanye.ns.cloudflare.com.

Host names with 6 IP numbers:

khloe.ns.cloudflare.com carries IP addresses 108.162.194.139, 162.159.38.139 and 172.64.34.139, with 3 other addresses beyond those.

randy.ns.cloudflare.com carries IP addresses 108.162.195.109, 162.159.44.109 and 172.64.35.109, with 3 other addresses beyond those.

Mail Servers

Mail for cortexnote.app is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

cortexnote.app shares mail servers — at least in part — with other domains, including giomonsrl.com, hirte-net.de, mergereplylink.pro and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com maps to two IP addresses — 142.251.16.26 and 2607:f8b0:4004:c06::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1a.