r-u-b.de - robtex.com
r-u-b.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=1778682779 | ||||||
Same first word
r-u-b.de |
Similar names
DNS History
10 records (5 active, 5 former)
●NSns3.kundenserver.de2015-08-20 → 2026-05-13 · 2 obs
● 2026-05-13 14:59:50
●NSns4.kundenserver.de2015-08-20 → 2026-05-13 · 2 obs
● 2026-05-13 14:59:50
○MXmail.r-u-b.de2015-08-20 → 2017-05-20 · 4 obs
● 2017-05-20 01:23:40
○ 2026-04-03 07:36:54
○ 2026-05-13 14:59:50
●MXrub-de0k.mail.protection.outlook.com2026-04-03 → 2026-05-13 · 3 obs
● 2026-04-03 07:36:54
● 2026-05-13 14:59:50
○A2001:8d8:1000:ed:e216:a107:d7f5:880b2015-08-20 → 2016-02-08 · 4 obs
● 2016-02-08 22:06:32
○ 2016-05-03 06:13:10
○ 2026-05-13 14:59:50
○A2001:8d8:1000:ed:e703:e834:5d64:a87a2016-05-03 → 2017-05-20 · 5 obs
● 2016-05-03 06:13:10
● 2017-05-20 01:23:40
○ 2026-04-03 07:36:54
○ 2026-05-13 14:59:50
●A2001:8d8:100f:f000::2d42026-04-03 → 2026-05-13 · 3 obs
● 2026-04-03 07:36:54
● 2026-05-13 14:59:50
○A212.227.146.1152015-08-20 → 2016-02-08 · 4 obs
● 2016-02-08 22:06:32
○ 2016-05-03 06:13:10
○ 2026-05-13 14:59:50
○A212.227.150.1972016-05-03 → 2017-05-20 · 5 obs
● 2016-05-03 06:13:10
● 2017-05-20 01:23:40
○ 2026-04-03 07:36:54
○ 2026-05-13 14:59:50
●A217.160.0.2372026-04-03 → 2026-05-13 · 3 obs
● 2026-04-03 07:36:54
● 2026-05-13 14:59:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| r-u-b.de | ns3.kundenserver.de, ns4.kundenserver.de | - |
✅ Authoritative Response
Server:217.160.83.34
NS records: ns3.kundenserver.de, ns4.kundenserver.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for r-u-b.de (unsigned zone)
⏱️ Timing
Total: 892ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.237 |
| AAAA | 1 | 2001:8d8:100f:f000::2d4 |
| NS | 2 | ns4.kundenserver.de, ns3.kundenserver.de |
| MX | 1 | rub-de0k.mail.protection.outlook.com (pr |
| TXT | 2 | MS=3AD1CC195EF8455135332AF09B418CA723A1D, v=spf1 a mx include:_spf.perfora.net inc |
| SOA | 1 | ns3.kundenserver.de hostmaster.kundenser |
Analysis
IP Addresses
The entity r-u-b.de points to two IP numbers: 2001:8d8:100f:f000::2d4 and 217.160.0.237.
For instance, other host names ecjcc.org, zepto.de, 4hc.es, kiekst.de and malinos.de share IP numbers with r-u-b.de.
Name Servers
r-u-b.de is delegated to two name servers: ns3.kundenserver.de and ns4.kundenserver.de.
r-u-b.de uses the same name server setup as other domains such as t-m.info, glorymedia.de, webprofi.info, dikru.de and lfoa-mv.de.
Host names with two IP numbers:
ns3.kundenserver.de points to 2001:8d8:fe:53:0:d9a0:5223:100 and 217.160.82.35; ns4.kundenserver.de points to 2001:8d8:fe:53:0:d9a0:5322:100 and 217.160.83.34.
Mail Servers
r-u-b.de is handled by a single mail server, rub-de0k.mail.protection.outlook.com.
Host name rub-de0k.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::d, 52.101.73.1, 52.101.73.11, 52.101.73.24 and 52.101.73.30.