cbert.net - dns.ninja
cbert.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1165::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| A | 81.169.145.165🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | docks17.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:17🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks17.rzone.de | ||||||
| A | 217.160.80.144🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks17.rzone.de | ||||||
| NS | shades14.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:141🇺🇸 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 | shades14.rzone.de | ||||||
| A | 185.132.34.141🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades14.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 | docks17.rzone.dehostmaster@strato-rz.de 2020-06-17 #15 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786115084 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○MXsmtp.rzone.de2015-08-17 → 2015-12-08 · 4 obs
● 2015-12-08 06:36:00
○ 2016-03-21 20:15:14
○ 2026-08-07 15:22:20
●MXsmtpin.rzone.de2016-03-21 → 2026-08-07 · 3 obs
● 2016-03-21 20:15:14
● 2026-08-07 15:22:20
○A2a01:238:20a:202:1088::2015-08-17 → 2020-01-21 · 4 obs
● 2020-01-21 15:55:42
○ 2026-02-23 17:52:04
○ 2026-08-07 15:22:20
●A2a01:238:20a:202:1165::2026-02-23 → 2026-08-07 · 3 obs
● 2026-02-23 17:52:04
● 2026-08-07 15:22:20
●A81.169.145.1652026-02-23 → 2026-08-07 · 3 obs
● 2026-02-23 17:52:04
● 2026-08-07 15:22:20
○A81.169.145.882015-08-17 → 2020-01-21 · 4 obs
● 2020-01-21 15:55:42
○ 2026-02-23 17:52:04
○ 2026-08-07 15:22:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cbert.net | shades14.rzone.de, docks17.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.141
NS records: shades14.rzone.de, docks17.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cbert.net (unsigned zone)
⏱️ Timing
Total: 453ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.165 |
| AAAA | 1 | 2a01:238:20a:202:1165:: |
| NS | 2 | shades14.rzone.de, docks17.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | docks17.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
cbert.net points to the IP addresses 81.169.145.165 and 2a01:238:20a:202:1165::
Among the host names that share IP numbers with cbert.net are lernex.de, singlecode.de, petgene.eu and two others.
Name Servers
cbert.net uses two name servers for its delegation: docks17.rzone.de and shades14.rzone.de.
cbert.net has the same name server delegation as a number of other domains, such as rauchschwalben.info, munich-services.de, fotogig.de and two more.
There is at least partial name server overlap between cbert.net and other domains — alles-zum-bauen.de, wehnau.de, dfpr.de and two more among them.
These name servers regularly appear alongside docks06.rzone.de, shades06.rzone.de, docks04.rzone.de and 7 other name servers in NS record sets.
The two host names docks17.rzone.de and shades14.rzone.de each have a pair of IP addresses: docks17.rzone.de has 217.160.80.144 and 2001:8d8:fe:53:5747:2a74:d:17, and shades14.rzone.de has 185.132.34.141 and 2607:f1c0:fe:53:185:132:34:141.
Mail Servers
cbert.net routes its mail through a single mail server, smtpin.rzone.de.
cbert.net has the same mail server arrangement as a number of other domains, for example compuvisions.de, integracura.net, numedya24.com and two more.
smtpin.rzone.de carries two IP numbers: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.