kubucation.com - robtex.com
kubucation.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.9.151.46🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | server1.dilockerserver.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.kubucation.com ⭐ | ||||||
| A | 5.9.151.46🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | server1.dilockerserver.de | ||||||
| SOA | ns1.first-ns.depostmaster@robot.first-ns.de 2020-01-04 #2 | ||||||
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=1774573297 | ||||||
Subdomains
mail.kubucation.com |
Same first word
kubucation.com |
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2018-05-11 → 2026-03-27 · 2 obs
● 2026-03-27 01:22:50
●NSrobotns2.second-ns.de2018-05-11 → 2026-03-27 · 2 obs
● 2026-03-27 01:22:50
●NSrobotns3.second-ns.com2018-05-11 → 2026-03-27 · 2 obs
● 2026-03-27 01:22:50
●MXmail.kubucation.com2018-05-11 → 2026-03-27 · 2 obs
● 2026-03-27 01:22:50
●A5.9.151.462018-05-11 → 2026-03-27 · 2 obs
● 2026-03-27 01:22:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net... | - |
| kubucation.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 kubucation.com (unsigned zone)
⏱️ Timing
Total: 982ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.9.151.46 |
| NS | 3 | robotns3.second-ns.com, robotns2.second-ns.de... |
| MX | 1 | mail.kubucation.com (pri: 10) |
| SOA | 1 | ns1.first-ns.de postmaster.robot.first-n |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)
Analysis
Hierarchy
kubucation.com is the parent of mail.kubucation.com.
IP Addresses
kubucation.com resolves to one IP number: 5.9.151.46.
other host names including dilocker.eu, mail.studententipps.com, ansteckmikrofon.com, server1.dilockerserver.de and mail.dilockerserver.de share IP numbers with kubucation.com.
Name Servers
kubucation.com is delegated to three name servers robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
kubucation.com at least partially shares name servers with other domains, for instance tielburger.nl, pic-si.de, cozinha.de, project-exception.net and abkuerzung.biz.
these name servers are commonly used alongside hydrogen.ns.hetzner.com.
Host names with two IP numbers:
robotns3.second-ns.com points to: 2001:67c:192c::add:a3 and 193.47.99.3.
ns1.first-ns.de points to: 2a01:4f8:0:a101::a:1 and 213.239.242.238.
robotns2.second-ns.de points to: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.
Mail Servers
kubucation.com is handled by a single mail server, mail.kubucation.com.
mail.kubucation.com resolves to IP 5.9.151.46.