oldenburgnet.de - robtex.com
oldenburgnet.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.4.88.23🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| PTR | svr.taaxi.de | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.oldenburgnet.de ⭐ | ||||||
| A | 46.4.88.23🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| PTR | svr.taaxi.de | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-14 #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=1786545040 | ||||||
Subdomains
Same first word
oldenburgnet.de |
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2015-08-19 → 2026-08-12 · 2 obs
● 2026-08-12 14:31:00
●NSrobotns2.second-ns.de2015-08-19 → 2026-08-12 · 2 obs
● 2026-08-12 14:31:00
●NSrobotns3.second-ns.com2015-08-19 → 2026-08-12 · 2 obs
● 2026-08-12 14:31:00
●MXmail.oldenburgnet.de2015-08-19 → 2026-08-12 · 2 obs
● 2026-08-12 14:31:00
○A46.4.63.822015-08-19 → 2017-03-21 · 4 obs
● 2017-03-21 14:24:58
○ 2026-02-26 15:04:16
○ 2026-08-12 14:31:00
●A46.4.88.232026-02-26 → 2026-08-12 · 3 obs
● 2026-02-26 15:04:16
● 2026-08-12 14:31:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| oldenburgnet.de | robotns2.second-ns.de, ns1.first-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: robotns2.second-ns.de, ns1.first-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for oldenburgnet.de (unsigned zone)
⏱️ Timing
Total: 4022ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.4.88.23 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.oldenburgnet.de (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
oldenburgnet.de serves as the parent of mail.oldenburgnet.de and svr.oldenburgnet.de.
IP Addresses
oldenburgnet.de has exactly one IP address — 46.4.88.23.
The host names mail.oldenburgnet.de, mail.senkerssystemtechnik.de, svr.oldenburgnet.de and senkerssystemtechnik.de all share IP numbers with oldenburgnet.de.
Name Servers
DNS for oldenburgnet.de is handled by three authoritative name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
There is at least partial name server overlap between oldenburgnet.de and other domains — rassetaubenzuechter.de, mietenwahnsinn-stoppen.de, cloud-dsa.com and two more among them.
The name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are often found in combination with these name servers.
Three hostnames — robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de — each have two IP addresses: robotns3.second-ns.com has 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de has 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de has 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
oldenburgnet.de uses one mail server — mail.oldenburgnet.de.
mail.oldenburgnet.de has exactly one IP number: 46.4.88.23.