kortex-media.com - dns.ninja
kortex-media.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.198.238.105🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | cere.cortex-media.de | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.kortex-media.com ⭐ | ||||||
| A | 136.243.217.222🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | mail.cortex-media.de | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-02-10 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785407222 | ||||||
Subdomains
mail.kortex-media.com |
Same first word
kortex-media.de |
kortex-media.com |
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2015-05-31 → 2026-07-30 · 2 obs
● 2026-07-30 10:42:40
●NSrobotns2.second-ns.de2015-05-31 → 2026-07-30 · 2 obs
● 2026-07-30 10:42:40
●NSrobotns3.second-ns.com2015-05-31 → 2026-07-30 · 2 obs
● 2026-07-30 10:42:40
●MXmail.kortex-media.com2015-05-31 → 2026-07-30 · 2 obs
● 2026-07-30 10:42:40
○A144.76.25.2202015-05-31 → 2017-06-16 · 4 obs
● 2017-06-16 19:21:20
○ 2026-03-14 08:57:50
○ 2026-07-30 10:42:40
●A88.198.238.1052026-03-14 → 2026-07-30 · 3 obs
● 2026-03-14 08:57:50
● 2026-07-30 10:42:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| kortex-media.com | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | 2 records |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kortex-media.com (unsigned zone)
⏱️ Timing
Total: 898ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.198.238.105 |
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mail.kortex-media.com (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)
Analysis
Hierarchy
The domain mail.kortex-media.com falls under the parent kortex-media.com.
IP Addresses
kortex-media.com resolves to just one IP address, 88.198.238.105.
Two other host names, along with cere.cortex-media.de, kortex-media.de and cortex-media.org, also share IP numbers with kortex-media.com.
Name Servers
Three name servers are authoritative for kortex-media.com: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
At least some of kortex-media.com's name servers are shared with other domains, for example pfms.biz, auto-adler.de, camposport.eu and two more.
It is common for these name servers to be used in conjunction with the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
robotns3.second-ns.com resolves to 193.47.99.3 and 2001:67c:192c::add:a3. ns1.first-ns.de resolves to 213.239.242.238 and 2a01:4f8:0:a101::a:1. robotns2.second-ns.de resolves to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2. All three hostnames point to two IP numbers each.
Mail Servers
The sole mail server for kortex-media.com is mail.kortex-media.com.
There is one IP number for mail.kortex-media.com: 136.243.217.222.