studyandtraining.de - robtex.com
studyandtraining.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=1777273180 | ||||||
Same first word
studyandtraining.de |
DNS History
11 records (5 active, 6 former)
●NShelium.ns.hetzner.de2026-02-16 → 2026-04-27 · 3 obs
● 2026-02-16 14:24:58
● 2026-04-27 07:21:24
●NShydrogen.ns.hetzner.com2026-02-16 → 2026-04-27 · 3 obs
● 2026-02-16 14:24:58
● 2026-04-27 07:21:24
○NSns3.itns.de2015-06-25 → 2019-01-31 · 4 obs
● 2019-01-31 22:15:48
○ 2026-02-16 14:24:58
○ 2026-04-27 07:21:24
○NSns4.itns.de2015-06-25 → 2019-01-31 · 4 obs
● 2019-01-31 22:15:48
○ 2026-02-16 14:24:58
○ 2026-04-27 07:21:24
○NSns5.itns.de2019-01-31 → 2019-01-31 · 4 obs
● 2019-01-31 22:15:48
○ 2026-02-16 14:24:58
○ 2026-04-27 07:21:24
●NSoxygen.ns.hetzner.com2026-02-16 → 2026-04-27 · 3 obs
● 2026-02-16 14:24:58
● 2026-04-27 07:21:24
○MXmail02.domservice.de2015-06-25 → 2019-01-31 · 4 obs
● 2019-01-31 22:15:48
○ 2026-02-16 14:24:58
○ 2026-04-27 07:21:24
●MXstudyandtraining-de.mail.protection.outlook.com2026-02-16 → 2026-04-27 · 3 obs
● 2026-02-16 14:24:58
● 2026-04-27 07:21:24
●A148.251.236.2302026-02-16 → 2026-04-27 · 3 obs
● 2026-02-16 14:24:58
● 2026-04-27 07:21:24
○A213.179.68.1772015-06-25 → 2017-02-09 · 4 obs
● 2017-02-09 19:21:48
○ 2019-01-31 22:15:48
○ 2026-04-27 07:21:24
○A213.179.68.2422019-01-31 → 2019-01-31 · 4 obs
● 2019-01-31 22:15:48
○ 2026-02-16 14:24:58
○ 2026-04-27 07:21:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| studyandtraining.de | helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com | - |
✅ Authoritative Response
Server:193.47.99.5
NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyandtraining.de (unsigned zone)
⏱️ Timing
Total: 866ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.251.236.230 |
| NS | 3 | oxygen.ns.hetzner.com, helium.ns.hetzner.de... |
| MX | 1 | studyandtraining-de.mail.protection.outl |
| TXT | 2 | MS=ms97578819, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
IP Addresses
studyandtraining.de points to a single IP: 148.251.236.230.
Other host names, for instance kirchen-heizung.de, pskl.de, pillement.de, grundschule-clara-schumann.de and rahn-schulen.eu share IP numbers with studyandtraining.de.
Name Servers
studyandtraining.de is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
studyandtraining.de partially shares name servers with other domains; examples include ellern-apotheken-rastede.de, matukal.com, alternativhochzeit.de, floqui.dev and winzerhoefe.at.
Host names with two IP numbers:
hydrogen.ns.hetzner.com points to 2a01:4f8:0:1::add:1098 and 213.133.100.98.
oxygen.ns.hetzner.com points to 2a01:4f8:0:1::add:2992 and 88.198.229.192.
helium.ns.hetzner.de points to 2001:67c:192c::add:5 and 193.47.99.5.
Mail Servers
studyandtraining.de is handled by a single mail server, studyandtraining-de.mail.protection.outlook.com.
Hostname studyandtraining-de.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::5, 2a01:111:f403:ca09::2, 2a01:111:f403:ca09::7, 2a01:111:f403:ca09::9, 52.101.68.0, 52.101.68.8, 52.101.68.18 and 52.101.73.8.