leftbrain.de - dns.ninja
leftbrain.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1093::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | w8d.rzone.de | ||||||
| A | 81.169.145.93🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | docks06.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:6🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks06.rzone.de | ||||||
| A | 217.160.80.133🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks06.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) | ||||||
| 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 | docks06.rzone.dehostmaster@strato-rz.de 2020-05-26 #5 | ||||||
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=1784719185 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
○MXsmtp.rzone.de2015-08-07 → 2018-08-29 · 4 obs
● 2018-08-29 22:56:32
○ 2026-06-27 09:38:18
○ 2026-07-22 11:52:04
●MXsmtpin.rzone.de2026-06-27 → 2026-07-22 · 3 obs
● 2026-06-27 09:38:18
● 2026-07-22 11:52:04
●A2a01:238:20a:202:1093::2015-08-07 → 2026-07-22 · 2 obs
● 2026-07-22 11:52:04
●A81.169.145.932015-08-07 → 2026-07-22 · 2 obs
● 2026-07-22 11:52:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| leftbrain.de | docks06.rzone.de, shades14.rzone.de | - |
✅ Authoritative Response
Server:217.160.80.133
NS records: docks06.rzone.de, shades14.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for leftbrain.de (unsigned zone)
⏱️ Timing
Total: 1112ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.93 |
| AAAA | 1 | 2a01:238:20a:202:1093:: |
| NS | 2 | shades14.rzone.de, docks06.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | docks06.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
leftbrain.de resolves to the IP addresses 81.169.145.93 and 2a01:238:20a:202:1093::
rahel.de, notfon.de, 24hshop.de and two other host names share IP numbers with leftbrain.de.
Name Servers
The NS records for leftbrain.de delegate to docks06.rzone.de and shades14.rzone.de.
leftbrain.de uses the same name servers as several other domains — among them freiehochzeit.de, hoergeraete-brandes.de, stilvorlage.de and two more.
leftbrain.de partially shares its NS delegation with several other domains, including glas-wilke.de, patientsafety.de, langbein.nl and two others.
In DNS configurations, these name servers often share authority with shades11.rzone.de, shades03.rzone.de, docks09.rzone.de and 7 other name servers.
docks06.rzone.de resolves to 217.160.80.133 and 2001:8d8:fe:53:5747:2a74:d:6. Likewise, shades14.rzone.de resolves to 185.132.34.141 and 2607:f1c0:fe:53:185:132:34:141 — two IP addresses apiece.
Mail Servers
Mail for leftbrain.de is handled by a single mail server, smtpin.rzone.de.
leftbrain.de uses an identical mail server configuration to several other domains — among them computerservice-heinrich.txt.de, edgar-naujok.de, webdispo.de and two more.
The host smtpin.rzone.de resolves to 81.169.145.97 and 2a01:238:20a:202:50f0::1097 — two IP addresses.