cortex23.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cortex23.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:8c8d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5727^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.39^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.140.141^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mira.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3acc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mira.ns.cloudflare.com`
		A	108.162.192.204^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	172.64.32.204^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	173.245.58.204^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
NS	`trey.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trey.ns.cloudflare.com`
		A	108.162.193.242^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	172.64.33.242^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	173.245.59.242^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.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	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`brevo-code:1ed87ed5ea107e0c5ab26cdbc4a739f4`
TXT	`google-site-verification=54pi9HA8aS50LQ2Nac_JRSc8vXbJ7g3BOa23nMUkrPQ`
TXT	`v=spf1 include:zoho.com include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.39, 172.67.140.141
		IPv6 hints	2606:4700:3035::ac43:8c8d, 2606:4700:3037::6815:5727
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=12, name=cloudflare-ech.com
SOA	`mira.ns.cloudflare.com`dns@cloudflare.com serial=2411384003

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1787129889

Same first word

cortex23.com

Previous names

Next names

DNS History

14 records (11 active, 3 former)

●NSmira.ns.cloudflare.com2018-05-08 → 2026-08-19 · 2 obs

● 2018-05-08 21:57:56
● 2026-08-19 09:27:52

●NStrey.ns.cloudflare.com2018-05-08 → 2026-08-19 · 2 obs

● 2018-05-08 21:57:56
● 2026-08-19 09:27:52

●MXalt1.aspmx.l.google.com2026-08-17 → 2026-08-19 · 3 obs

○ 2018-05-08 21:57:56
● 2026-08-17 20:27:30
● 2026-08-19 09:27:52

●MXalt2.aspmx.l.google.com2026-08-17 → 2026-08-19 · 3 obs

○ 2018-05-08 21:57:56
● 2026-08-17 20:27:30
● 2026-08-19 09:27:52

●MXalt3.aspmx.l.google.com2026-08-17 → 2026-08-19 · 3 obs

○ 2018-05-08 21:57:56
● 2026-08-17 20:27:30
● 2026-08-19 09:27:52

●MXalt4.aspmx.l.google.com2026-08-17 → 2026-08-19 · 3 obs

○ 2018-05-08 21:57:56
● 2026-08-17 20:27:30
● 2026-08-19 09:27:52

●MXaspmx.l.google.com2026-08-17 → 2026-08-19 · 3 obs

○ 2018-05-08 21:57:56
● 2026-08-17 20:27:30
● 2026-08-19 09:27:52

○MXmx.zoho.com2018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 21:57:56
○ 2026-08-17 20:27:30
○ 2026-08-19 09:27:52

○MXmx2.zoho.com2018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 21:57:56
○ 2026-08-17 20:27:30
○ 2026-08-19 09:27:52

●A104.21.87.392026-08-17 → 2026-08-19 · 3 obs

○ 2018-05-08 21:57:56
● 2026-08-17 20:27:30
● 2026-08-19 09:27:52

○A160.153.61.2012018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 21:57:56
○ 2026-08-17 20:27:30
○ 2026-08-19 09:27:52

●A172.67.140.1412026-08-17 → 2026-08-19 · 3 obs

○ 2018-05-08 21:57:56
● 2026-08-17 20:27:30
● 2026-08-19 09:27:52

●A2606:4700:3035::ac43:8c8d2026-08-17 → 2026-08-19 · 3 obs

○ 2018-05-08 21:57:56
● 2026-08-17 20:27:30
● 2026-08-19 09:27:52

●A2606:4700:3037::6815:57272026-08-17 → 2026-08-19 · 3 obs

○ 2018-05-08 21:57:56
● 2026-08-17 20:27:30
● 2026-08-19 09:27:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net...	-
cortex23.com	trey.ns.cloudflare.com, mira.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.242

NS records: trey.ns.cloudflare.com, mira.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 229ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.87.39, 172.67.140.141`
AAAA	2	`2606:4700:3035::ac43:8c8d, 2606:4700:3037::6815:5727`
NS	2	`mira.ns.cloudflare.com, trey.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`brevo-code:1ed87ed5ea107e0c5ab26cdbc4a73, google-site-verification=54pi9HA8aS50LQ2...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mira.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cortex23.com points to the four IP addresses 104.21.87.39, 172.67.140.141, 2606:4700:3035::ac43:8c8d and 2606:4700:3037::6815:5727.

Two other host names, along with alpinesnow.com, 16r2kj7.tiubexttoglu.com and advposter.com, also share IP numbers with cortex23.com.

Name Servers

The NS records for cortex23.com delegate to mira.ns.cloudflare.com and trey.ns.cloudflare.com.

cortex23.com shares its NS records with other domains, for example ironworkers155.org, smwlocal206.org, mgnonline.net and two others.

The name servers of cortex23.com overlap at least partially with those of other domains — among them sakautoto.vip, mmerlix.com, vsemayki.ru.com and two more.

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

DNS names with 6 IP addresses:

mira.ns.cloudflare.com maps to 108.162.192.204, 172.64.32.204, 173.245.58.204 and 3 additional IP addresses.

trey.ns.cloudflare.com maps to 108.162.193.242, 172.64.33.242, 173.245.59.242 and 3 additional IP addresses.

Mail Servers

cortex23.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between cortex23.com and other domains, including whatmatters.com, castordesign.ca, yesilli.org and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 4 others.

Host names that have two IP addresses:

The A records for aspmx.l.google.com return 192.178.155.27 and 2607:f8b0:4004:c21::1b.

The A records for alt1.aspmx.l.google.com return 192.178.234.27 and 2800:3f0:4003:c14::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.