cortex.us - dns.ninja

`cortex.us`

DNSSEC	⚠️ Not signed
A	205.178.189.131^{🇺🇸 Jacksonville205.178.189.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
		PTR	`wf.networksolutions.com`
NS	`ns3.worldnic.com` ⭐
		A	162.159.26.110^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`powerdns-prod06.dc.tutum.co`
NS	`ns4.worldnic.com`
		A	162.159.27.124^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx001.netsol.xion.oxcs.net` ⭐
		A	173.45.18.128^{🇨🇦 AMC173.45.16.0/22}
			PTR	`mx31.oxsus-vadesecure.net`
MX	`mx002.netsol.xion.oxcs.net` ⭐
		A	173.45.18.129^{🇨🇦 AMC173.45.16.0/22}
			PTR	`mx32.oxsus-vadesecure.net`
MX	`mx003.netsol.xion.oxcs.net` ⭐
		A	51.81.206.108^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`mx33.oxsus-vadesecure.net`
MX	`mx004.netsol.xion.oxcs.net` ⭐
		A	51.81.206.109^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`mx34.oxsus-vadesecure.net`
TXT	`v=spf1 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all`
SOA	`NS3.WORLDNIC.COM`namehost@WORLDNIC.COM serial=124061002

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1781770721

Same first word

cortex.dev

cortex.cz

cortex.mobi

cortex.art.br

cortex.graphics

cortex.si

cortex.nl

cortex.host

cortex.hu

cortex.com.au

cortex.se

cortex.bz

cortex.fi

cortex.co.il

cortex.ph

cortex.college

cortex.co.nz

cortex.inc

cortex.lv

cortex.jp

cortex.de

cortex.design

cortex.mx

cortex.biz

cortex.ro

cortex.awsapps.com

cortex.cn

cortex.camera

cortex.kg

cortex.computer

cortex.la

cortex.be

cortex.eu

cortex.fr

cortex.com.br

cortex.su

cortex.no

cortex.net

cortex.ru

cortex.ca

cortex.lt

cortex.ee

cortex.io

cortex.lu

cortex.ind.br

cortex.us

cortex.me

cortex.ax

cortex.online

cortex.in

cortex.to

cortex.med.br

cortex.so

cortex.com

cortex.az

cortex.tv

cortex.com.pl

cortex.ch

cortex.ws

Similar names

roxtec.fi

certox.de

roxtec.sg

roxtec.it

trexco.eu

xtcore.wiki

cretox.com

crotex.com

crotex.de

cetrox.com.br

roxtec.ro

roxtec.co.nz

excort.net

roxtec.com.tr

corext.com.es

excort.de

crotex.net

roxtec.pt

trexoc.com

roxtec.kz

crotex.eu

txcore.com

roxtec.co.za

roxtec.nl

xetroc.com

roxtec.org

corext.blob.core.windows.net

roxtec.de

txcore.net

cotrex.de

roxtec.no

roxtec.co

xector.net

roxtec.com.sg

roxtec.hu

excort.com

trexco.com

roxtec.com.br

roxtec.net

roxtec.es

roxtec.se

roxtec.mx

roxtec.ch

corext.com

roxtec.ru

roxtec.lt

roxtec.in

trexco.co.in

rectox.com

xortec.fi

roxtec.com

trexco.in

roxtec.cl

trexco.net

roxtec.sk

roxtec.co.il

DNS History

8 records (7 active, 1 former)

●NSns3.worldnic.com2015-07-15 → 2026-06-18 · 2 obs

● 2015-07-15 13:48:06
● 2026-06-18 08:25:38

●NSns4.worldnic.com2015-07-15 → 2026-06-18 · 2 obs

● 2015-07-15 13:48:06
● 2026-06-18 08:25:38

○MXinbound.cortex.us.netsolmail.net2015-07-15 → 2017-03-31 · 4 obs

● 2015-07-15 13:48:06
● 2017-03-31 04:28:14
○ 2026-02-18 06:18:28
○ 2026-06-18 08:25:38

●MXmx001.netsol.xion.oxcs.net2026-02-18 → 2026-06-18 · 12 obs

○ 2017-03-31 04:28:14
● 2026-02-18 06:18:28
● 2026-05-20 05:34:10
○ 2026-05-22 01:49:10
● 2026-05-22 18:19:52
● 2026-05-23 12:15:52
○ 2026-05-23 19:22:54
● 2026-05-24 01:59:34
● 2026-05-27 00:20:12
○ 2026-05-27 10:57:08
● 2026-05-27 20:00:46
● 2026-06-18 08:25:38

●MXmx002.netsol.xion.oxcs.net2026-02-18 → 2026-06-18 · 12 obs

●MXmx003.netsol.xion.oxcs.net2026-02-18 → 2026-06-18 · 12 obs

●MXmx004.netsol.xion.oxcs.net2026-02-18 → 2026-06-18 · 12 obs

●A205.178.189.1312015-07-15 → 2026-06-18 · 5 obs

● 2015-07-15 13:48:06
● 2026-05-14 10:38:48
○ 2026-05-15 13:07:04
● 2026-05-15 14:25:50
● 2026-06-18 08:25:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	f.cctld.us, x.cctld.us, y.cctld.us, w.cctld.us...	-
cortex.us	ns4.worldnic.com, ns3.worldnic.com	-

✅ Authoritative Response

Server:162.159.26.110

NS records: ns4.worldnic.com, ns3.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortex.us (unsigned zone)

⏱️ Timing

Total: 393ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`205.178.189.131`
NS	2	`ns3.worldnic.com, ns4.worldnic.com`
MX	4	`mx001.netsol.xion.oxcs.net (pri: 10), mx004.netsol.xion.oxcs.net (pri: 10)...`
TXT	1	`v=spf1 include:spf.registeredsite.com in`
SOA	1	`NS3.WORLDNIC.COM namehost.WORLDNIC.COM`

Analysis

IP Addresses

cortex.us points to a single IP number: 205.178.189.131.

Additional host names — mcintiresolutions.net, jcmachineworks.net, fairfaxfallbrawl.com and two others — share IP numbers with cortex.us.

Name Servers

Two name servers handle the delegation for cortex.us: ns3.worldnic.com and ns4.worldnic.com.

cortex.us shares its name server setup with other domains, including grandtourna.net, psmolka.com, titanskin.net and two others.

cortex.us is at least partially co-delegated on name servers with other domains, such as iatse7denver.org.

ns3.worldnic.com resolves to 162.159.26.110. ns4.worldnic.com resolves to 162.159.27.124. Both host names point to a single IP number.

Mail Servers

cortex.us has four mail servers: mx001.netsol.xion.oxcs.net, mx002.netsol.xion.oxcs.net, mx003.netsol.xion.oxcs.net and mx004.netsol.xion.oxcs.net.

cortex.us shares mail servers — at least in part — with other domains, including dogpatchfarm.com, anaheimdoor.com, loutzenhiser-jordanfuneralhome.com and two others.

mx001.netsol.xion.oxcs.net, mx002.netsol.xion.oxcs.net, mx003.netsol.xion.oxcs.net and mx004.netsol.xion.oxcs.net each resolve to one IP address: mx001.netsol.xion.oxcs.net resolves to 173.45.18.128, mx002.netsol.xion.oxcs.net resolves to 173.45.18.129, mx003.netsol.xion.oxcs.net resolves to 51.81.206.108 and mx004.netsol.xion.oxcs.net resolves to 51.81.206.109.