ctbb.de - dns.ninja
ctbb.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1148::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| A | 81.169.145.148🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | docks18.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:18🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks18.rzone.de | ||||||
| A | 217.160.80.145🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks18.rzone.de | ||||||
| NS | shades10.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:137🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | shades10.rzone.de | ||||||
| A | 185.132.34.137🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades10.rzone.de | ||||||
| MX | smtpin.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| A | 81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| SOA | docks18.rzone.dehostmaster@strato-rz.de 2020-05-31 #14 | ||||||
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=1782705121 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
○MXsmtp.rzone.de2015-07-18 → 2017-05-22 · 4 obs
● 2017-05-22 07:12:22
○ 2026-02-19 10:19:50
○ 2026-06-29 04:07:52
●MXsmtpin.rzone.de2026-02-19 → 2026-06-29 · 3 obs
● 2026-02-19 10:19:50
● 2026-06-29 04:07:52
●A2a01:238:20a:202:1148::2015-07-18 → 2026-06-29 · 2 obs
● 2026-06-29 04:07:52
●A81.169.145.1482015-07-18 → 2026-06-29 · 2 obs
● 2026-06-29 04:07:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| ctbb.de | shades10.rzone.de, docks18.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.137
NS records: shades10.rzone.de, docks18.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctbb.de (unsigned zone)
⏱️ Timing
Total: 1833ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.148 |
| AAAA | 1 | 2a01:238:20a:202:1148:: |
| NS | 2 | docks18.rzone.de, shades10.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | docks18.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
ctbb.de resolves to the IP addresses 81.169.145.148 and 2a01:238:20a:202:1148::
Additional host names — rueping-online.de, hjjauch.com, omoruyi.de and two others — share IP numbers with ctbb.de.
Name Servers
ctbb.de is served by two delegated name servers, docks18.rzone.de and shades10.rzone.de.
ctbb.de shares its name server setup with other domains, including kyffhaeuser-kv-wtm-whv.de, hermy.de, chiemgaufoto.com and two others.
ctbb.de has at least partial name server overlap with other domains, such as barbu.de, jonasburkart.de, donau-wassersport.de and two others.
docks10.rzone.de, docks05.rzone.de and shades16.rzone.de — plus 7 other name servers — are commonly paired with these name servers.
Each of the two host names carries two IP addresses: docks18.rzone.de points to 217.160.80.145 and 2001:8d8:fe:53:5747:2a74:d:18, and shades10.rzone.de points to 185.132.34.137 and 2607:f1c0:fe:53:185:132:34:137.
Mail Servers
ctbb.de has one mail server: smtpin.rzone.de.
ctbb.de shares the same mail server setup as other domains, including seikowsky-werkzeuge.de, iflex.info, kelpio.com and two others.
smtpin.rzone.de has two IP addresses: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.