cortexapp.dev - dns.ninja
cortexapp.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.105.242.8🇬🇧 UNSPECIFIED160.0.0.0/3 | ||||||
| PTR | static.8.242.105.178.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 | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| 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 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| 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 | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| MX | mxa.mailgun.org ⭐ | ||||||
| A | 34.149.254.5🇺🇸 Google34.148.0.0/14 | ||||||
| PTR | 5.254.149.34.bc.googleusercontent.com | ||||||
| MX | mxb.mailgun.org ⭐ | ||||||
| A | 34.36.182.139🇺🇸 Google34.32.0.0/11 | ||||||
| PTR | 139.182.36.34.bc.googleusercontent.com | ||||||
| TXT | v=spf1 include:mailgun.org ~all | ||||||
| SOA | hydrogen.ns.hetzner.comdns@hetzner.com 2026-08-10 #0 | ||||||
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.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
Similar names
Previous names
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DNS History
6 records (6 active, 0 former)
●NShelium.ns.hetzner.de2026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 13:41:46
●NShydrogen.ns.hetzner.com2026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 13:41:46
●NSoxygen.ns.hetzner.com2026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 13:41:46
●MXmxa.mailgun.org2026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 13:41:46
●MXmxb.mailgun.org2026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 13:41:46
●A178.105.242.82026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 13:41:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| cortexapp.dev | helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com | - |
✅ Authoritative Response
Server:88.198.229.192
NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortexapp.dev (unsigned zone)
⏱️ Timing
Total: 1377ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.105.242.8 |
| NS | 3 | hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com... |
| MX | 2 | mxb.mailgun.org (pri: 10), mxa.mailgun.org (pri: 10) |
| TXT | 1 | v=spf1 include:mailgun.org ~all |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)
Analysis
IP Addresses
cortexapp.dev points to a single IP number: 178.105.242.8.
Name Servers
cortexapp.dev is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
cortexapp.dev has at least partial name server overlap with other domains, such as 1618.design, laika-motorhome.eu, mt-dasportal.com and two others.
These name servers tend to appear together with the name servers ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de.
hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de each resolve to two IP addresses: 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.
Mail Servers
cortexapp.dev has two mail servers: mxa.mailgun.org and mxb.mailgun.org.
cortexapp.dev shares the same mail server setup as other domains, including naomibean.com, vaultbip.com, nickbell.website and two others.
cortexapp.dev shares mail servers — at least in part — with other domains, including luxurypetalparadisepicnics.com, championleadership.com, slotvibevip.email and two others.
These mail servers are frequently used alongside the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, plus two others.
mxa.mailgun.org directs to 34.149.254.5 and mxb.mailgun.org directs to 34.36.182.139; each host name points to exactly one IP number.