`cortexsystems.pro`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:826f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:874^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.8.116^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.111^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cris.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cris.ns.cloudflare.com`
		A	108.162.195.202^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	162.159.44.202^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	172.64.35.202^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
NS	`sonia.ns.cloudflare.com`
		A	2606:4700:50::a29f:26be^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sonia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sonia.ns.cloudflare.com`
		A	108.162.194.190^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
		A	162.159.38.190^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
		A	172.64.34.190^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sonia.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.8.116, 172.67.130.111
		IPv6 hints	2606:4700:3031::ac43:826f, 2606:4700:3033::6815:874
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com
SOA	`cris.ns.cloudflare.com`dns@cloudflare.com serial=2410122668

`pro`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.pro.afilias-nst.info` ⭐
	NS	`a2.pro.afilias-nst.info`
	NS	`b0.pro.afilias-nst.org`
	NS	`b2.pro.afilias-nst.org`
	NS	`c0.pro.afilias-nst.info`
	NS	`d0.pro.afilias-nst.org`
	SOA	`a0.pro.afilias-nst.info`hostmaster@donuts.email serial=1785225729

⚠️ On DNS blocklist: tif

Same first word

cortexsystems.pro

cortexsystems.co.za

DNS History

16 records (6 active, 10 former)

●NScris.ns.cloudflare.com2026-05-07 → 2026-07-28 · 2 obs

● 2026-05-07 09:17:22
● 2026-07-28 09:12:18

●NSsonia.ns.cloudflare.com2026-05-07 → 2026-07-28 · 2 obs

● 2026-05-07 09:17:22
● 2026-07-28 09:12:18

●A104.21.8.1162026-05-07 → 2026-07-28 · 8 obs

● 2026-05-07 09:17:22
● 2026-05-15 14:47:36
○ 2026-05-21 03:22:24
○ 2026-05-21 16:06:00
● 2026-05-21 16:58:22
● 2026-05-29 15:16:28
○ 2026-06-08 06:33:18
● 2026-07-28 09:12:18

●A172.67.130.1112026-05-07 → 2026-07-28 · 8 obs

● 2026-05-07 09:17:22
● 2026-05-15 14:47:36
○ 2026-05-21 03:22:24
○ 2026-05-21 16:06:00
● 2026-05-21 16:58:22
● 2026-05-29 15:16:28
○ 2026-06-08 06:33:18
● 2026-07-28 09:12:18

○A188.114.96.02026-05-21 → 2026-06-26 · 10 obs

○ 2026-05-15 14:47:36
● 2026-05-21 03:22:24
○ 2026-05-21 08:01:52
● 2026-05-21 08:37:54
○ 2026-05-21 16:06:00
○ 2026-05-29 15:16:28
● 2026-06-08 06:33:18
○ 2026-06-26 10:33:18
● 2026-06-26 11:14:18
○ 2026-07-28 09:12:18

○A188.114.96.42026-05-21 → 2026-06-26 · 9 obs

○ 2026-05-21 03:22:24
● 2026-05-21 08:01:52
○ 2026-05-21 08:37:54
● 2026-05-21 16:06:00
○ 2026-05-21 16:58:22
○ 2026-06-08 06:33:18
● 2026-06-26 10:33:18
○ 2026-06-26 11:14:18
○ 2026-07-28 09:12:18

○A188.114.97.02026-05-21 → 2026-06-26 · 10 obs

○A188.114.97.42026-05-21 → 2026-06-26 · 9 obs

●A2606:4700:3031::ac43:826f2026-07-28 → 2026-07-28 · 2 obs

○ 2026-06-26 11:14:18
● 2026-07-28 09:12:18

●A2606:4700:3033::6815:8742026-07-28 → 2026-07-28 · 2 obs

○ 2026-06-26 11:14:18
● 2026-07-28 09:12:18

○A2606:4700:3033::ac43:826f2026-05-07 → 2026-05-29 · 8 obs

● 2026-05-07 09:17:22
● 2026-05-15 14:47:36
○ 2026-05-21 03:22:24
○ 2026-05-21 16:06:00
● 2026-05-21 16:58:22
● 2026-05-29 15:16:28
○ 2026-06-08 06:33:18
○ 2026-07-28 09:12:18

○A2606:4700:3035::6815:8742026-05-07 → 2026-05-29 · 8 obs

● 2026-05-07 09:17:22
● 2026-05-15 14:47:36
○ 2026-05-21 03:22:24
○ 2026-05-21 16:06:00
● 2026-05-21 16:58:22
● 2026-05-29 15:16:28
○ 2026-06-08 06:33:18
○ 2026-07-28 09:12:18

○A2a06:98c1:3120::2026-06-08 → 2026-06-26 · 5 obs

○ 2026-05-29 15:16:28
● 2026-06-08 06:33:18
○ 2026-06-26 10:33:18
● 2026-06-26 11:14:18
○ 2026-07-28 09:12:18

○A2a06:98c1:3120::42026-05-21 → 2026-06-26 · 8 obs

○ 2026-05-15 14:47:36
● 2026-05-21 03:22:24
● 2026-05-21 16:06:00
○ 2026-05-21 16:58:22
○ 2026-06-08 06:33:18
● 2026-06-26 10:33:18
○ 2026-06-26 11:14:18
○ 2026-07-28 09:12:18

○A2a06:98c1:3121::2026-06-08 → 2026-06-26 · 5 obs

○ 2026-05-29 15:16:28
● 2026-06-08 06:33:18
○ 2026-06-26 10:33:18
● 2026-06-26 11:14:18
○ 2026-07-28 09:12:18

○A2a06:98c1:3121::42026-05-21 → 2026-06-26 · 8 obs

○ 2026-05-15 14:47:36
● 2026-05-21 03:22:24
● 2026-05-21 16:06:00
○ 2026-05-21 16:58:22
○ 2026-06-08 06:33:18
● 2026-06-26 10:33:18
○ 2026-06-26 11:14:18
○ 2026-07-28 09:12:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pro	a0.pro.afilias-nst.info, a2.pro.afilias-nst.info, b0.pro.afilias-nst.org, b2.pro.afilias-nst.org...	12 records
cortexsystems.pro	cris.ns.cloudflare.com, sonia.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.190

NS records: cris.ns.cloudflare.com, sonia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortexsystems.pro (unsigned zone)

⏱️ Timing

Total: 326ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.8.116, 172.67.130.111`
AAAA	2	`2606:4700:3033::6815:874, 2606:4700:3031::ac43:826f`
NS	2	`cris.ns.cloudflare.com, sonia.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cris.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (a0.pro.afilias-nst.info, a2.pro.afilias-nst.info, b0.pro.afilias-nst.org...)

Analysis

IP Addresses

cortexsystems.pro has four IP addresses: 104.21.8.116, 172.67.130.111, 2606:4700:3031::ac43:826f and 2606:4700:3033::6815:874.

Among the host names that share IP numbers with cortexsystems.pro are www.pando.biz, kstuartswash.co.uk, www.psp-portal.ru and two others.

Name Servers

cortexsystems.pro is served by two delegated name servers, cris.ns.cloudflare.com and sonia.ns.cloudflare.com.

cortexsystems.pro has the same name server delegation as a number of other domains, such as greekventure.gr, trivoxonshop.com, driveeuropeguide.com and two more.

cortexsystems.pro partially shares its NS delegation with several other domains, including sukitotolast.org, kayapremiumcasino.co, royal707ka.site and two others.

The name servers jamie.ns.cloudflare.com, syeef.ns.cloudflare.com, evangeline.ns.cloudflare.com and adam.ns.cloudflare.com are often found in use alongside these name servers.

Host names resolving to 6 IP numbers:

cris.ns.cloudflare.com carries IP addresses 108.162.195.202, 162.159.44.202 and 172.64.35.202, with 3 other addresses beyond those.

sonia.ns.cloudflare.com carries IP addresses 108.162.194.190, 162.159.38.190 and 172.64.34.190, with 3 other addresses beyond those.

cortexsystems.pro - robtex.com