0xcortex.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`0xcortex.dev`

DNSSEC	⚠️ Not signed
A	91.99.233.34^{🇩🇪 Hetzner91.99.0.0/16 HETZNER-DC}
		PTR	`static.34.233.99.91.clients.your-server.de`
NS	`hydrogen.ns.hetzner.com` ⭐
		A	2a01:4f8:0:1::add:1098^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`hydrogen.ns.hetzner.com`
		A	213.133.100.98^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
NS	`helium.ns.hetzner.de`
		A	2001:67c:192c::add:5^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`helium.ns.hetzner.de`
		A	193.47.99.5^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
NS	`oxygen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:2992^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`oxygen.ns.hetzner.com`
		A	88.198.229.192^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
TXT	`google-site-verification=xzGTFu2hj-cQjTTUNKb59e9P2O8Z7UStvzpcfKkdRSc`
SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-01-25 #3

`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

0xcortex.dev

0xcortex.com

Previous names

0xc6.dev

0xc7.dev

0xca.dev

0xcad.dev

0xcaf2.dev

0xcafe.dev

0xcafebabe.dev

0xcb.dev

0xcc.dev

0xcd.dev

0xceefu.dev

0xchain.dev

0xcharon.dev

0xcheth.dev

0xchiru.dev

0xchris.dev

0xclaw.dev

0xcode.dev

0xcoder.dev

0xcore.dev

Next names

0xcr6.dev

0xcraftgame.dev

0xcreator.dev

0xcris.dev

0xcucumbersalad.dev

0xd0xa.dev

0xd1g17.dev

0xd22.dev

0xd3ac.dev

0xd3ny5.dev

0xd453.dev

0xd7.dev

0xda.dev

0xda203.dev

0xdad0.dev

0xdas.dev

0xdat.dev

0xday.dev

0xdba.dev

0xdbe.dev

DNS History

5 records (5 active, 0 former)

●NShelium.ns.hetzner.de2026-09-23 → 2026-10-05 · 2 obs

● 2026-09-23 06:58:40
● 2026-10-05 13:11:22

●NShydrogen.ns.hetzner.com2026-09-23 → 2026-10-05 · 2 obs

● 2026-09-23 06:58:40
● 2026-10-05 13:11:22

●NSoxygen.ns.hetzner.com2026-09-23 → 2026-10-05 · 2 obs

● 2026-09-23 06:58:40
● 2026-10-05 13:11:22

●MXsmtp.google.com2026-09-23 → 2026-10-05 · 2 obs

● 2026-09-23 06:58:40
● 2026-10-05 13:11:22

●A91.99.233.342026-09-23 → 2026-10-05 · 2 obs

● 2026-09-23 06:58:40
● 2026-10-05 13:11:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
0xcortex.dev	oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de	-

✅ Authoritative Response

Server:213.133.100.98

NS records: oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 0xcortex.dev (unsigned zone)

⏱️ Timing

Total: 2253ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.99.233.34`
NS	3	`helium.ns.hetzner.de, hydrogen.ns.hetzner.com...`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`google-site-verification=xzGTFu2hj-cQjTT`
SOA	1	`hydrogen.ns.hetzner.com dns.hetzner.com`

Analysis

IP Addresses

0xcortex.dev has exactly one IP address — 91.99.233.34.

Other host names, among them vtcp.io and autumn-in-amster.live, have IP numbers in common with 0xcortex.dev.

Name Servers

Three name servers are authoritative for 0xcortex.dev: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

At least some of 0xcortex.dev's name servers are shared with other domains, for example spcs.one, sondervermoegen.org, josport.de and two more.

These name servers tend to appear together with the name servers ns1.first-ns.de, ns.second-ns.com and ns3.second-ns.de, plus two others.

hydrogen.ns.hetzner.com resolves to 213.133.100.98 and 2a01:4f8:0:1::add:1098. oxygen.ns.hetzner.com resolves to 88.198.229.192 and 2a01:4f8:0:1::add:2992. helium.ns.hetzner.de resolves to 193.47.99.5 and 2001:67c:192c::add:5. All three hostnames point to two IP numbers each.

Mail Servers

0xcortex.dev uses one mail server — smtp.google.com.

The mail server setup of 0xcortex.dev matches that of other domains such as mind-fullsolutions.com, trianglej-inc.com, trystandardinsights.com and two others.

At least some of the mail servers used by 0xcortex.dev are shared with other domains: kadenwealth.com, meliboutik.com, newlifesash.com and two others among them.

smtp.google.com has 9 IP addresses: 64.233.180.26, 64.233.180.27, 142.251.16.27 plus 6 more.