🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cortexos.dev`

DNSSEC	⚠️ Not signed
A	18.208.88.157^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
		PTR	`ec2-18-208-88-157.compute-1.amazonaws.com`
A	98.84.224.111^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p01.nsone.net`
NS	`dns1.p04.nsone.net`
		A	2620:4d:4000:6259:7:4:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p04.nsone.net`
		A	198.51.44.4^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p04.nsone.net`
NS	`dns2.p04.nsone.net`
		A	2a00:edc0:6259:7:4::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p04.nsone.net`
		A	198.51.45.4^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p04.nsone.net`
NS	`dns3.p04.nsone.net`
		A	2620:4d:4000:6259:7:4:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p04.nsone.net`
		A	198.51.44.68^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p04.nsone.net`
NS	`dns4.p04.nsone.net`
		A	2a00:edc0:6259:7:4::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p04.nsone.net`
		A	198.51.45.68^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p04.nsone.net`
SOA	`dns1.p01.nsone.net`domains+netlify@netlify.com serial=1760536710

`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

cortexos.work

cortexos.it.com

cortexos.run

cortexos.xyz

cortexos.shop

cortexos.si

cortexos.online

cortexos.io

cortexos.de

cortexos.org

cortexos.cloud

cortexos.study

cortexos.au

cortexos.pro

cortexos.ca

cortexos.ai

cortexos.pages.dev

cortexos.co

cortexos.no

cortexos.directory

cortexos.tech

cortexos.net

cortexos.com.au

cortexos.me

cortexos.app

cortexos.live

cortexos.dev

cortexos.biz

cortexos.global

cortexos.com

Similar names

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSdns1.p01.nsone.net2026-10-10 → 2026-11-13 · 2 obs

● 2026-10-10 10:50:02
● 2026-11-13 11:34:36

●NSdns1.p04.nsone.net2026-10-10 → 2026-11-13 · 2 obs

● 2026-10-10 10:50:02
● 2026-11-13 11:34:36

●NSdns2.p04.nsone.net2026-10-10 → 2026-11-13 · 2 obs

● 2026-10-10 10:50:02
● 2026-11-13 11:34:36

●NSdns3.p04.nsone.net2026-10-10 → 2026-11-13 · 2 obs

● 2026-10-10 10:50:02
● 2026-11-13 11:34:36

●NSdns4.p04.nsone.net2026-10-10 → 2026-11-13 · 2 obs

● 2026-10-10 10:50:02
● 2026-11-13 11:34:36

○A13.52.188.952026-10-21 → 2026-10-21 · 4 obs

○ 2026-10-13 14:18:58
● 2026-10-21 02:21:00
○ 2026-10-26 11:20:14
○ 2026-11-13 11:34:36

●A18.208.88.1572026-10-13 → 2026-11-13 · 5 obs

○ 2026-10-10 10:50:02
● 2026-10-13 14:18:58
○ 2026-10-21 02:21:00
● 2026-10-26 11:20:14
● 2026-11-13 11:34:36

○A35.157.26.1352026-10-10 → 2026-10-10 · 3 obs

● 2026-10-10 10:50:02
○ 2026-10-13 14:18:58
○ 2026-11-13 11:34:36

○A52.52.192.1912026-10-21 → 2026-10-21 · 4 obs

○ 2026-10-13 14:18:58
● 2026-10-21 02:21:00
○ 2026-10-26 11:20:14
○ 2026-11-13 11:34:36

○A63.176.8.2182026-10-10 → 2026-10-10 · 3 obs

● 2026-10-10 10:50:02
○ 2026-10-13 14:18:58
○ 2026-11-13 11:34:36

●A98.84.224.1112026-10-13 → 2026-11-13 · 5 obs

○ 2026-10-10 10:50:02
● 2026-10-13 14:18:58
○ 2026-10-21 02:21:00
● 2026-10-26 11:20:14
● 2026-11-13 11:34:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
cortexos.dev	dns1.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net, dns2.p04.nsone.net	-

✅ Authoritative Response

Server:198.51.45.4

NS records: dns1.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net, dns2.p04.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortexos.dev (unsigned zone)

⏱️ Timing

Total: 418ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`18.208.88.157, 98.84.224.111`
NS	4	`dns1.p04.nsone.net, dns2.p04.nsone.net...`
SOA	1	`dns1.p01.nsone.net domains+netlify.netli`

Analysis

IP Addresses

cortexos.dev resolves to the IP addresses 18.208.88.157 and 98.84.224.111

Two other host names, along with cvdesign.io, pillarsofhome.com and 50tests.com, also share IP numbers with cortexos.dev.

Name Servers

cortexos.dev delegates to five name servers: dns1.p01.nsone.net, dns1.p04.nsone.net, dns2.p04.nsone.net and two others.

cortexos.dev has at least partial name server overlap with other domains, such as machbar-industries.de, milesgrantart.com, halldsgn.com and two others.

dns3.p04.nsone.net, dns4.p04.nsone.net and ns01.squarespacedns.com — plus 7 other name servers — are commonly paired with these name servers.

Host names that have two IP addresses:

The A records for dns1.p01.nsone.net return 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

The A records for dns1.p04.nsone.net return 198.51.44.4 and 2620:4d:4000:6259:7:4:0:1.

The A records for dns2.p04.nsone.net return 198.51.45.4 and 2a00:edc0:6259:7:4::2.

The A records for dns3.p04.nsone.net return 198.51.44.68 and 2620:4d:4000:6259:7:4:0:3.

The A records for dns4.p04.nsone.net return 198.51.45.68 and 2a00:edc0:6259:7:4::4.