rubroeder.systems - robtex.com
rubroeder.systems
| DNSSEC | ⚠️ Not signed | ||||||
| A | fe80::3285:a9ff:feee:210b | ||||||
| A | 5.9.144.236🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| NS | ns2.checkdomain.de ⭐ | ||||||
| A | 2a01:4f8:2b02:a88::106🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns2.checkdomain.de | ||||||
| A | 5.9.190.98🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | ns2.checkdomain.de | ||||||
| NS | ns.checkdomain.de | ||||||
| A | 2a02:2b80:101:5000::9🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| A | 109.237.143.11🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | ns1.checkdomain.de | ||||||
| MX | rubroeder.systems ⭐ | ||||||
| A | fe80::3285:a9ff:feee:210b | ||||||
| A | 5.9.144.236🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | mail.koblenzweb2.de | ||||||
| SOA | ns.checkdomain.dehostmaster@checkdomain.de 2018-03-14 #9 | ||||||
systems
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.systems ⭐ | ||||||
| NS | v0n1.nic.systems | ||||||
| NS | v0n2.nic.systems | ||||||
| NS | v0n3.nic.systems | ||||||
| NS | v2n0.nic.systems | ||||||
| NS | v2n1.nic.systems | ||||||
| SOA | v0n0.nic.systemshostmaster@donuts.email serial=1776016985 | ||||||
MX for
rubroeder.systems |
Subdomains
www.rubroeder.systems |
Same first word
rubroeder.systems |
rubroeder.com |
rubroeder.de |
Similar names
DNS History
7 records (5 active, 2 former)
●NSns.checkdomain.de2016-12-10 → 2026-04-12 · 2 obs
● 2026-04-12 18:41:16
●NSns2.checkdomain.de2016-12-10 → 2026-04-12 · 2 obs
● 2026-04-12 18:41:16
●MXrubroeder.systems2016-12-10 → 2026-04-12 · 2 obs
● 2026-04-12 18:41:16
○A2a01:4a0:2002:2246:9734:4c26:6044:5f332016-12-10 → 2016-12-10 · 3 obs
○ 2017-07-10 11:18:58
○ 2026-04-12 18:41:16
○A2a01:4f8:221:11cd:9734:4c26:6044:5f332017-07-10 → 2017-07-10 · 4 obs
● 2017-07-10 11:18:58
○ 2026-04-01 18:57:40
○ 2026-04-12 18:41:16
●A5.9.144.2362016-12-10 → 2026-04-12 · 2 obs
● 2026-04-12 18:41:16
●Afe80::3285:a9ff:feee:210b2026-04-01 → 2026-04-12 · 3 obs
● 2026-04-01 18:57:40
● 2026-04-12 18:41:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| systems | v0n0.nic.systems, v0n2.nic.systems, v2n0.nic.systems, v0n1.nic.systems... | 12 records |
| rubroeder.systems | ns.checkdomain.de, ns2.checkdomain.de | - |
✅ Authoritative Response
Server:5.9.190.98
NS records: ns.checkdomain.de, ns2.checkdomain.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rubroeder.systems (unsigned zone)
⏱️ Timing
Total: 898ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.9.144.236 |
| AAAA | 1 | fe80::3285:a9ff:feee:210b |
| NS | 2 | ns2.checkdomain.de, ns.checkdomain.de |
| MX | 1 | rubroeder.systems (pri: 10) |
| SOA | 1 | ns.checkdomain.de hostmaster.checkdomain |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.systems, v0n0.nic.systems, v0n2.nic.systems...)
Analysis
Hierarchy
The parent of www.rubroeder.systems is rubroeder.systems.
Mail Server Role
rubroeder.systems serves as a mail server for rubroeder.systems.
IP Addresses
rubroeder.systems resolves to two IP numbers: fe80::3285:a9ff:feee:210b and 5.9.144.236.
Other host names, for instance rubroeder.de, rasenoase.de, cos-ev.de, xn--sprhbeschichtung-lzb.de and mail.awo-betreuungsrecht.de share IP numbers with rubroeder.systems.
Name Servers
Two name servers ns2.checkdomain.de and ns.checkdomain.de handle delegation for rubroeder.systems.
rubroeder.systems uses the same name server setup as other domains, for example cafecleo.com, boragon.com, flypgscoin.com, thegoodstandard.com and sagoom.net.
Host names with two IP numbers:
ns2.checkdomain.de points to: 2a01:4f8:2b02:a88::106 and 5.9.190.98
ns.checkdomain.de points to: 2a02:2b80:101:5000::9 and 109.237.143.11
Mail Servers
rubroeder.systems is handled by a single mail server, rubroeder.systems.
Host rubroeder.systems resolves to two IPs: fe80::3285:a9ff:feee:210b and 5.9.144.236.