21centurycloud.de - robtex.com
21centurycloud.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.46.181.4🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | www198.your-server.de | ||||||
| NS | hydrogen.ns.hetzner.com ⭐ | ||||||
| A | 2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| A | 213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| NS | helium.ns.hetzner.de | ||||||
| A | 2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| A | 193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| NS | oxygen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| A | 88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| MX | mail.21centurycloud.de ⭐ | ||||||
| A | 78.46.181.4🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | www198.your-server.de | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | hydrogen.ns.hetzner.comdns@hetzner.com 2026-02-11 #0 | ||||||
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=1776996049 | ||||||
Subdomains
mail.21centurycloud.de |
Same first word
21centurycloud.de |
DNS History
5 records (5 active, 0 former)
●NShelium.ns.hetzner.de2026-02-16 → 2026-04-24 · 2 obs
● 2026-04-24 02:21:00
●NShydrogen.ns.hetzner.com2026-02-16 → 2026-04-24 · 2 obs
● 2026-04-24 02:21:00
●NSoxygen.ns.hetzner.com2026-02-16 → 2026-04-24 · 2 obs
● 2026-04-24 02:21:00
●MXmail.21centurycloud.de2026-02-16 → 2026-04-24 · 2 obs
● 2026-04-24 02:21:00
●A78.46.181.42026-02-16 → 2026-04-24 · 2 obs
● 2026-04-24 02:21:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| 21centurycloud.de | hydrogen.ns.hetzner.com, helium.ns.hetzner.de, oxygen.ns.hetzner.com | - |
✅ Authoritative Response
Server:213.133.100.98
NS records: hydrogen.ns.hetzner.com, helium.ns.hetzner.de, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21centurycloud.de (unsigned zone)
⏱️ Timing
Total: 1177ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.46.181.4 |
| NS | 3 | helium.ns.hetzner.de, hydrogen.ns.hetzner.com... |
| MX | 1 | mail.21centurycloud.de (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
Hierarchy
mail.21centurycloud.de is a child of 21centurycloud.de.
IP Addresses
21centurycloud.de resolves to one IP number: 78.46.181.4.
Other host names, for instance fmgrollen.de, fmg-rollen.de, silberpixel.net, rain-er.de and fromme.info share IP numbers with 21centurycloud.de.
Name Servers
21centurycloud.de is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
21centurycloud.de at least partially shares name servers with other domains, including badspiegel.org, nize.dk, armenti.net, aldeae.es and kork.dev.
Host names with two IP numbers:
hydrogen.ns.hetzner.com: 2a01:4f8:0:1::add:1098 and 213.133.100.98
oxygen.ns.hetzner.com: 2a01:4f8:0:1::add:2992 and 88.198.229.192
helium.ns.hetzner.de: 2001:67c:192c::add:5 and 193.47.99.5
Mail Servers
A single mail server handles 21centurycloud.de, mail.21centurycloud.de.
Host name mail.21centurycloud.de resolves to a single IP: 78.46.181.4.