study.de - dns.ninja
study.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=1780571513 | ||||||
Subdomains
s3.study.de |
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
○NSns.namespace4you.de2015-06-30 → 2017-01-04 · 4 obs
● 2017-01-04 13:38:06
○ 2026-03-12 00:10:04
○ 2026-06-04 11:20:52
○NSns2.namespace4you.de2015-06-30 → 2017-01-04 · 4 obs
● 2017-01-04 13:38:06
○ 2026-03-12 00:10:04
○ 2026-06-04 11:20:52
●NSroot-dns.netcup.net2026-03-12 → 2026-06-04 · 3 obs
● 2026-03-12 00:10:04
● 2026-06-04 11:20:52
●NSsecond-dns.netcup.net2026-03-12 → 2026-06-04 · 3 obs
● 2026-03-12 00:10:04
● 2026-06-04 11:20:52
●NSthird-dns.netcup.net2026-03-12 → 2026-06-04 · 3 obs
● 2026-03-12 00:10:04
● 2026-06-04 11:20:52
●MXstudy-de.mail.eo.outlook.com2015-06-30 → 2026-06-04 · 2 obs
● 2026-06-04 11:20:52
○A134.119.48.1062015-11-08 → 2017-01-04 · 5 obs
● 2015-11-08 16:57:38
● 2017-01-04 13:38:06
○ 2026-03-12 00:10:04
○ 2026-06-04 11:20:52
●A152.53.3.142026-03-12 → 2026-06-04 · 3 obs
● 2026-03-12 00:10:04
● 2026-06-04 11:20:52
○A2a00:1158:0:300:3340::12015-06-30 → 2015-06-30 · 3 obs
○ 2015-11-08 16:57:38
○ 2026-06-04 11:20:52
●A2a0a:4cc0:0:1255:1802:4bff:fea5:a3822026-03-12 → 2026-06-04 · 3 obs
● 2026-03-12 00:10:04
● 2026-06-04 11:20:52
○A46.252.18.1842015-06-30 → 2015-06-30 · 3 obs
○ 2015-11-08 16:57:38
○ 2026-06-04 11:20:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| study.de | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for study.de (unsigned zone)
⏱️ Timing
Total: 4370ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 152.53.3.14 |
| AAAA | 1 | 2a0a:4cc0:0:1255:1802:4bff:fea5:a382 |
| NS | 3 | second-dns.netcup.net, third-dns.netcup.net... |
| MX | 1 | study-de.mail.eo.outlook.com (pri: 1) |
| TXT | 2 | google-site-verification=lidbW6Tc9Pb8OYi, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
s3.study.de is delegated beneath study.de.
IP Addresses
study.de points to two IP numbers: 152.53.3.14 and 2a0a:4cc0:0:1255:1802:4bff:fea5:a382.
There are other host names — s3.study.de among them — that share IP numbers with study.de.
Name Servers
DNS for study.de is handled by three authoritative name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
There is at least partial name server overlap between study.de and other domains — hx0.de, ekant.de, tuerenstudio.eu and two more among them.
Three hostnames — root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net — each have two IP addresses: root-dns.netcup.net has 46.38.225.225 and 2a03:4000:0:1::e1e1, second-dns.netcup.net has 37.221.199.199 and 2a03:4000:2:24b::c7c7, and third-dns.netcup.net has 188.68.63.68 and 2a03:4001:0:106::3f44.
Mail Servers
study.de uses one mail server — study-de.mail.eo.outlook.com.
The hostname study-de.mail.eo.outlook.com has 8 IP addresses: 52.101.68.16, 52.101.68.18, 52.101.73.19 and five others.