🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cortexcn.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:10c4^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:d794^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.196^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.148^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a43^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c043^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2043^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ara.ns.cloudflare.com`
		A	108.162.192.67^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	172.64.32.67^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	173.245.58.67^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
NS	`martin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c357^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`martin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2357^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`martin.ns.cloudflare.com`
		A	108.162.195.87^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martin.ns.cloudflare.com`
		A	162.159.44.87^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martin.ns.cloudflare.com`
		A	172.64.35.87^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martin.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2a00:1450:4013:c07::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`el-in-f26.1e100.net`
		A	74.125.143.27^{🇺🇸 Google74.125.143.0/24}
			PTR	`ed-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:4403::1a^{🇮🇪 Google2a00:1450:4025::/48}
			PTR	`yuskelf-in-f26.1e100.net`
		A	192.178.228.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`yuskelf-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:c01::1a^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f26.1e100.net`
		A	142.250.147.26^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f26.1e100.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	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.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	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=4szl_hK6_uz_SYiXKjI14rfxI42q0YBf-Xw36V33PF4`
TXT	`google-site-verification=V5DEYLiL7F60LK7GJSRyQjpBoQmLI-GZgsROONYPBh8`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.196, 172.67.215.148
		IPv6 hints	2606:4700:3030::6815:10c4, 2606:4700:3034::ac43:d794
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=80, name=cloudflare-ech.com
SOA	`ara.ns.cloudflare.com`dns@cloudflare.com serial=2419779031

`dev`

	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=1

🔒 HSTS Preload (+subdomains)

Same first word

cortexcn.dev

Similar names

nortexcc.com

concretx.ru

nextcocr.com

cortexnc.com

contrecx.com

concertx.com

concretx.online

centrocx.com

contexrc.com.ph

xconcert.com

cxnector.com

concertx.ai

concertx.xyz

concretx.com

Previous names

Next names

DNS History

19 records (11 active, 8 former)

●NSara.ns.cloudflare.com2026-09-23 → 2026-11-13 · 2 obs

● 2026-09-23 02:45:16
● 2026-11-13 10:29:38

●NSmartin.ns.cloudflare.com2026-09-23 → 2026-11-13 · 2 obs

● 2026-09-23 02:45:16
● 2026-11-13 10:29:38

●MXalt1.aspmx.l.google.com2026-09-27 → 2026-11-13 · 3 obs

○ 2026-09-27 13:41:44
● 2026-09-27 22:12:12
● 2026-11-13 10:29:38

●MXalt2.aspmx.l.google.com2026-09-27 → 2026-11-13 · 3 obs

○ 2026-09-27 13:41:44
● 2026-09-27 22:12:12
● 2026-11-13 10:29:38

●MXalt3.aspmx.l.google.com2026-09-27 → 2026-11-13 · 3 obs

○ 2026-09-27 13:41:44
● 2026-09-27 22:12:12
● 2026-11-13 10:29:38

●MXalt4.aspmx.l.google.com2026-09-27 → 2026-11-13 · 3 obs

○ 2026-09-27 13:41:44
● 2026-09-27 22:12:12
● 2026-11-13 10:29:38

●MXaspmx.l.google.com2026-09-27 → 2026-11-13 · 3 obs

○ 2026-09-27 13:41:44
● 2026-09-27 22:12:12
● 2026-11-13 10:29:38

○MXinbound-smtp.ap-northeast-1.amazonaws.com2026-09-27 → 2026-09-27 · 3 obs

● 2026-09-27 13:41:44
○ 2026-09-27 22:12:12
○ 2026-11-13 10:29:38

●A104.21.16.1962026-11-10 → 2026-11-13 · 3 obs

○ 2026-11-08 21:17:00
● 2026-11-10 19:45:10
● 2026-11-13 10:29:38

●A172.67.215.1482026-11-10 → 2026-11-13 · 3 obs

○ 2026-11-08 21:17:00
● 2026-11-10 19:45:10
● 2026-11-13 10:29:38

○A188.114.96.02026-11-08 → 2026-11-08 · 4 obs

○ 2026-11-02 08:35:56
● 2026-11-08 21:17:00
○ 2026-11-10 19:45:10
○ 2026-11-13 10:29:38

○A188.114.97.02026-11-08 → 2026-11-08 · 4 obs

○ 2026-11-02 08:35:56
● 2026-11-08 21:17:00
○ 2026-11-10 19:45:10
○ 2026-11-13 10:29:38

○A216.198.79.652026-11-02 → 2026-11-02 · 4 obs

○ 2026-09-27 00:24:44
● 2026-11-02 08:35:56
○ 2026-11-08 21:17:00
○ 2026-11-13 10:29:38

●A2606:4700:3030::6815:10c42026-11-10 → 2026-11-13 · 3 obs

○ 2026-11-08 21:17:00
● 2026-11-10 19:45:10
● 2026-11-13 10:29:38

●A2606:4700:3034::ac43:d7942026-11-10 → 2026-11-13 · 3 obs

○ 2026-11-08 21:17:00
● 2026-11-10 19:45:10
● 2026-11-13 10:29:38

○A2a06:98c1:3120::2026-11-08 → 2026-11-08 · 4 obs

○ 2026-11-02 08:35:56
● 2026-11-08 21:17:00
○ 2026-11-10 19:45:10
○ 2026-11-13 10:29:38

○A2a06:98c1:3121::2026-11-08 → 2026-11-08 · 4 obs

○ 2026-11-02 08:35:56
● 2026-11-08 21:17:00
○ 2026-11-10 19:45:10
○ 2026-11-13 10:29:38

○A64.29.17.652026-11-02 → 2026-11-02 · 4 obs

○ 2026-09-27 00:24:44
● 2026-11-02 08:35:56
○ 2026-11-08 21:17:00
○ 2026-11-13 10:29:38

○A76.76.21.212026-09-27 → 2026-09-27 · 3 obs

● 2026-09-27 00:24:44
○ 2026-11-02 08:35:56
○ 2026-11-13 10:29:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
cortexcn.dev	ara.ns.cloudflare.com, martin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.87

NS records: ara.ns.cloudflare.com, martin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortexcn.dev (unsigned zone)

⏱️ Timing

Total: 1419ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.215.148, 104.21.16.196`
AAAA	2	`2606:4700:3034::ac43:d794, 2606:4700:3030::6815:10c4`
NS	2	`ara.ns.cloudflare.com, martin.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=4szl_hK6_uz_SYi, google-site-verification=V5DEYLiL7F60LK7...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ara.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 10

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

Analysis

IP Addresses

cortexcn.dev resolves to four IP addresses: 104.21.16.196, 172.67.215.148, 2606:4700:3030::6815:10c4 and 2606:4700:3034::ac43:d794.

koshergolanrestaurant.nl, koksri.go.th, www.factorywarrantylist.com and two other host names share IP numbers with cortexcn.dev.

Name Servers

cortexcn.dev is served by two delegated name servers, ara.ns.cloudflare.com and martin.ns.cloudflare.com.

cortexcn.dev uses the same name servers as several other domains — among them ponpokopon.workers.dev, jogodobichoaposta.com, hxc-85186.pages.dev and two more.

cortexcn.dev has at least partial name server overlap with other domains, such as final-squad1.pages.dev, samqpots.work, ldelqdwzrs.com and two others.

It is common to find these name servers paired with the name servers mark.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

ara.ns.cloudflare.com carries IP addresses 108.162.192.67, 172.64.32.67 and 173.245.58.67, with 3 other addresses beyond those.

martin.ns.cloudflare.com carries IP addresses 108.162.195.87, 162.159.44.87 and 172.64.35.87, with 3 other addresses beyond those.

Mail Servers

cortexcn.dev is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

cortexcn.dev has at least partial mail server overlap with other domains such as glacierviewlavender.com, backupvirtualassistance.com, unverbluemt-floraldesign.de and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com maps to two IP addresses — 74.125.143.27 and 2a00:1450:4013:c07::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 192.178.228.26 and 2a00:1450:4025:4403::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 142.250.147.26 and 2a00:1450:4025:c01::1a.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1a.

cortexcn.dev - robtex.com

cortexcn.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`cortexcn.dev`

`dev`