learntube.de - dns.ninja
learntube.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.99.130.157🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | static.157.130.99.88.clients.your-server.de | ||||||
| NS | ns5.kasserver.com ⭐ | ||||||
| A | 85.13.128.3🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich | ||||||
| PTR | ns5.kasserver.com | ||||||
| NS | a-dns-service.de | ||||||
| A | 135.181.2.96🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC | ||||||
| PTR | a-dns-service.de | ||||||
| NS | ns3.kas-dns-server.de | ||||||
| A | 85.13.179.179🇩🇪 NMM-AS85.13.179.0/24 Neue Medien Muennich | ||||||
| PTR | 85-13-179-179-static.kasserver.com | ||||||
| NS | ns6.kasserver.com | ||||||
| A | 85.13.159.101🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich | ||||||
| PTR | ns6.kasserver.com | ||||||
| MX | w00a656a.kasserver.com ⭐ | ||||||
| A | 85.13.148.104🇩🇪 NMM-AS85.13.148.0/24 Neue Medien Muennich | ||||||
| PTR | dd38824.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2605010415 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1785369235 | ||||||
Subdomains
mx0.learntube.de |
Same first word
learntube.in |
learntube.dk |
learntube.de |
learntube.org |
learntube.eu |
learntube.com |
learntube.ch |
learntube.cz |
learntube.ai |
Similar names
DNS History
8 records (6 active, 2 former)
●NSa-dns-service.de2026-04-08 → 2026-07-30 · 3 obs
● 2026-04-08 21:59:36
● 2026-07-30 00:28:18
●NSns3.kas-dns-server.de2026-04-08 → 2026-07-30 · 3 obs
● 2026-04-08 21:59:36
● 2026-07-30 00:28:18
●NSns5.kasserver.com2015-04-25 → 2026-07-30 · 2 obs
● 2026-07-30 00:28:18
●NSns6.kasserver.com2015-04-25 → 2026-07-30 · 2 obs
● 2026-07-30 00:28:18
○MXmail.learntube.de2015-04-25 → 2016-11-28 · 4 obs
● 2016-11-28 03:56:58
○ 2019-04-05 05:57:14
○ 2026-07-30 00:28:18
●MXw00a656a.kasserver.com2019-04-05 → 2026-07-30 · 3 obs
● 2019-04-05 05:57:14
● 2026-07-30 00:28:18
○A85.13.148.1042015-04-25 → 2019-04-05 · 4 obs
● 2019-04-05 05:57:14
○ 2026-04-08 21:59:36
○ 2026-07-30 00:28:18
●A88.99.130.1572026-04-08 → 2026-07-30 · 3 obs
● 2026-04-08 21:59:36
● 2026-07-30 00:28:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, f.nic.de, a.nic.de | - |
| learntube.de | a-dns-service.de, ns3.kas-dns-server.de, ns5.kasserver.com, ns6.kasserver.com | - |
✅ Authoritative Response
Server:85.13.128.3
NS records: a-dns-service.de, ns3.kas-dns-server.de, ns5.kasserver.com, ns6.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for learntube.de (unsigned zone)
⏱️ Timing
Total: 1583ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.99.130.157 |
| NS | 4 | ns6.kasserver.com, a-dns-service.de... |
| MX | 1 | w00a656a.kasserver.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.kasserver.com ~a |
| SOA | 1 | ns5.kasserver.com hostmaster.kasserver.c |
Analysis
Hierarchy
mx0.learntube.de is delegated beneath learntube.de.
IP Addresses
learntube.de resolves to one IP address: 88.99.130.157.
Further host names like appademicx.com and static.157.130.99.88.clients.your-server.de overlap in IP numbers with learntube.de.
Name Servers
The authoritative name servers for learntube.de are a-dns-service.de, ns5.kasserver.com, ns6.kasserver.com and ns3.kas-dns-server.de.
There is at least partial name server overlap between learntube.de and other domains — ankevomberg.com, vpt-fellbach.de, gipsyjazz.de and two more among them.
These name servers frequently co-occur with the name servers ns3.ai-dns.de and ns5.name-server-kas.de.
Each of the four hosts a-dns-service.de, ns5.kasserver.com, ns6.kasserver.com and ns3.kas-dns-server.de points to a single IP address — a-dns-service.de points to 135.181.2.96, ns5.kasserver.com points to 85.13.128.3, ns6.kasserver.com points to 85.13.159.101 and ns3.kas-dns-server.de points to 85.13.179.179.
Mail Servers
Mail for learntube.de is handled by a single mail server, w00a656a.kasserver.com.
learntube.de's MX records match those of several other domains — for example lms3.com, goa-beach-apartment.com, appademicx.com and medianopoly.de.
There is one IP number for w00a656a.kasserver.com: 85.13.148.104.