linuxacademy.de - dns.ninja
linuxacademy.de
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=1783833033 | ||||||
Same first word
Similar names
DNS History
18 records (8 active, 10 former)
○NScore3.lamarc.com2019-12-30 → 2019-12-30 · 4 obs
● 2019-12-30 11:38:18
○ 2026-02-16 12:41:28
○ 2026-07-12 05:15:20
●NScore4.lamarc.com2026-02-16 → 2026-07-12 · 3 obs
● 2026-02-16 12:41:28
● 2026-07-12 05:15:20
●NSedge20.lamarc.com2019-12-30 → 2026-07-12 · 3 obs
● 2019-12-30 11:38:18
● 2026-07-12 05:15:20
●NSns1.first-ns.de2026-07-12 → 2026-07-12 · 2 obs
● 2026-07-12 05:15:20
○NSns65.1und1.de2015-07-16 → 2017-02-17 · 4 obs
● 2017-02-17 15:00:32
○ 2019-12-30 11:38:18
○ 2026-07-12 05:15:20
○NSns66.1und1.de2015-07-16 → 2017-02-17 · 4 obs
● 2017-02-17 15:00:32
○ 2019-12-30 11:38:18
○ 2026-07-12 05:15:20
●NSrobotns2.second-ns.de2026-07-12 → 2026-07-12 · 2 obs
● 2026-07-12 05:15:20
●NSrobotns3.second-ns.com2026-07-12 → 2026-07-12 · 2 obs
● 2026-07-12 05:15:20
○MXedge32.lamarc.com2019-12-30 → 2019-12-30 · 4 obs
● 2019-12-30 11:38:18
○ 2026-02-16 12:41:28
○ 2026-07-12 05:15:20
●MXedge43.lamarc.com2026-02-16 → 2026-07-12 · 3 obs
● 2026-02-16 12:41:28
● 2026-07-12 05:15:20
○MXmx00.kundenserver.de2015-07-16 → 2017-02-17 · 4 obs
● 2017-02-17 15:00:32
○ 2019-12-30 11:38:18
○ 2026-07-12 05:15:20
○MXmx01.kundenserver.de2015-07-16 → 2017-02-17 · 4 obs
● 2017-02-17 15:00:32
○ 2019-12-30 11:38:18
○ 2026-07-12 05:15:20
●A135.181.121.1142026-02-16 → 2026-07-12 · 3 obs
● 2026-02-16 12:41:28
● 2026-07-12 05:15:20
○A136.243.124.1442019-12-30 → 2019-12-30 · 4 obs
● 2019-12-30 11:38:18
○ 2026-02-16 12:41:28
○ 2026-07-12 05:15:20
○A217.160.223.1352017-02-17 → 2017-02-17 · 4 obs
● 2017-02-17 15:00:32
○ 2019-12-30 11:38:18
○ 2026-07-12 05:15:20
○A2a01:4f8:a0:34e7::312019-12-30 → 2019-12-30 · 4 obs
● 2019-12-30 11:38:18
○ 2026-02-16 12:41:28
○ 2026-07-12 05:15:20
●A2a01:4f9:3081:ff00::332026-02-16 → 2026-07-12 · 3 obs
● 2026-02-16 12:41:28
● 2026-07-12 05:15:20
○A82.165.86.1242015-07-16 → 2016-04-17 · 4 obs
● 2016-04-17 16:51:16
○ 2017-02-17 15:00:32
○ 2026-07-12 05:15:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| linuxacademy.de | robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de, core4.lamarc.com... | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de, core4.lamarc.com, edge20.lamarc.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1240ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 135.181.121.114 |
| AAAA | 1 | 2a01:4f9:3081:ff00::33 |
| NS | 5 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | edge43.lamarc.com (pri: 10) |
| TXT | 2 | _globalsign-domain-verification=L318G5sB, google-site-verification=KH6hWj69jAYSP59 |
| SOA | 1 | core4.lamarc.com postmaster.lamarc.com |
Analysis
IP Addresses
linuxacademy.de has two IP addresses: 135.181.121.114 and 2a01:4f9:3081:ff00::33
Further host names like www.lamarc.com and lamarc.com overlap in IP numbers with linuxacademy.de.
Name Servers
linuxacademy.de delegates to five name servers: core4.lamarc.com, edge20.lamarc.com, robotns3.second-ns.com and two others.
There is at least partial name server overlap between linuxacademy.de and other domains — mg-niedersachsen.de, erichartmann.de, eliasprobst.eu and two more among them.
The name servers ns1.first-ns.de, robotns2.second-ns.de, hydrogen.ns.hetzner.com and two others are commonly seen in use alongside these name servers.
Host names that have two IP addresses:
core4.lamarc.com maps to two IP addresses — 37.27.68.10 and 2a01:4f9:3081:3589::2.
edge20.lamarc.com maps to two IP addresses — 135.181.121.116 and 2a01:4f9:3081:ff00::5.
robotns3.second-ns.com maps to two IP addresses — 193.47.99.3 and 2001:67c:192c::add:a3.
ns1.first-ns.de maps to two IP addresses — 213.239.242.238 and 2a01:4f8:0:a101::a:1.
robotns2.second-ns.de maps to two IP addresses — 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
The sole mail server for linuxacademy.de is edge43.lamarc.com.
Mail server setup for linuxacademy.de matches that of other domains, among them lamarc.com.
edge43.lamarc.com carries two IP numbers: 135.181.121.122 and 2a01:4f9:3081:ff00::43.