cu3.de - dns.ninja
cu3.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.84.25.176🇩🇪 DTAG46.80.0.0/12 Deutsche Telekom AG Internet Service Provider | ||||||
| PTR | p2e5419b0.dip0.t-ipconnect.de | ||||||
| NS | docks03.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:3🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks03.rzone.de | ||||||
| A | 217.160.80.130🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks03.rzone.de | ||||||
| NS | shades11.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:138🇺🇸 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 | shades11.rzone.de | ||||||
| A | 185.132.34.138🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades11.rzone.de | ||||||
| MX | smtpin.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| A | 81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| SOA | docks03.rzone.dehostmaster@strato-rz.de 2020-05-27 #17 | ||||||
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=1785472594 | ||||||
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
○A2a01:238:20a:202:1164::2015-07-20 → 2017-02-02 · 4 obs
● 2017-02-02 01:49:52
○ 2026-03-20 18:56:04
○ 2026-07-31 05:07:42
●A46.84.25.1762026-03-20 → 2026-07-31 · 3 obs
● 2026-03-20 18:56:04
● 2026-07-31 05:07:42
○A81.169.145.1642015-07-20 → 2017-02-02 · 4 obs
● 2017-02-02 01:49:52
○ 2026-03-20 18:56:04
○ 2026-07-31 05:07:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| cu3.de | docks03.rzone.de, shades11.rzone.de | - |
✅ Authoritative Response
Server:217.160.80.130
NS records: docks03.rzone.de, shades11.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu3.de (unsigned zone)
⏱️ Timing
Total: 769ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.84.25.176 |
| NS | 2 | docks03.rzone.de, shades11.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | docks03.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
cu3.de points to a single IP number: 46.84.25.176.
p2e5419b0.dip0.t-ipconnect.de, for instance, is one of the other host names sharing IP numbers with cu3.de.
Name Servers
cu3.de uses two name servers for its delegation: docks03.rzone.de and shades11.rzone.de.
cu3.de shares its name server setup with other domains, including jeroenmeijer.nl, kanzleibrenner.de, skat-spielen.com and two others.
At least some of cu3.de's name servers are shared with other domains, for example soerensteinert.de, rc-cars-cavalieri.de, ase-gmbh.de and two more.
These name servers tend to co-occur with shades20.rzone.de, docks11.rzone.de, docks12.rzone.de and 7 other name servers in the same DNS delegations.
The two host names docks03.rzone.de and shades11.rzone.de each have a pair of IP addresses: docks03.rzone.de has 217.160.80.130 and 2001:8d8:fe:53:5747:2a74:d:3, and shades11.rzone.de has 185.132.34.138 and 2607:f1c0:fe:53:185:132:34:138.
Mail Servers
cu3.de has one mail server: smtpin.rzone.de.
cu3.de shares the same mail server setup as other domains, including bmw-hubauer.com, dreamforever.de, bolod.de and two others.
cu3.de overlaps on mail servers with certain other domains, collective-mountains.com among them.
smtpin.rzone.de directs to two IP numbers, 81.169.145.97 and 2a01:238:20a:202:50f0::1097.