opensystems.de - dns.ninja
opensystems.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1094::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | w8e.rzone.de | ||||||
| A | 81.169.145.94🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | shades06.rzone.de ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:133🇺🇸 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 | shades06.rzone.de | ||||||
| A | 185.132.34.133🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades06.rzone.de | ||||||
| NS | docks05.rzone.de | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:5🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks05.rzone.de | ||||||
| A | 217.160.80.132🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks05.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 | ||||||
| TXT | v=spf1 redirect=_spf.strato.com | ||||||
| SOA | shades06.rzone.dehostmaster@strato-rz.de 2020-05-23 #9 | ||||||
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=1782428695 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●A2a01:238:20a:202:1094::2015-07-22 → 2026-06-25 · 2 obs
● 2026-06-25 23:08:44
●A81.169.145.942015-07-22 → 2026-06-25 · 2 obs
● 2026-06-25 23:08:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| opensystems.de | shades06.rzone.de, docks05.rzone.de | - |
✅ Authoritative Response
Server:217.160.80.132
NS records: shades06.rzone.de, docks05.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opensystems.de (unsigned zone)
⏱️ Timing
Total: 1728ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.94 |
| AAAA | 1 | 2a01:238:20a:202:1094:: |
| NS | 2 | docks05.rzone.de, shades06.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| TXT | 1 | v=spf1 redirect=_spf.strato.com |
| SOA | 1 | shades06.rzone.de hostmaster.strato-rz.d |
Analysis
IP Addresses
opensystems.de directs to two IP numbers, 81.169.145.94 and 2a01:238:20a:202:1094::
kora.de, mm-art.eu, gesundheit-ist-das-a-und-o.de plus two other host names have IP numbers in common with opensystems.de.
Name Servers
opensystems.de is delegated to two name servers: docks05.rzone.de and shades06.rzone.de.
The name server configuration of opensystems.de is shared with other domains, for instance (0x6469636b)schulte.de, arloma.com, vinkassen.com and two others.
opensystems.de has at least partial name server overlap with other domains, such as eb-windels.de, moehre.com, der-outdoortester.com and two others.
docks01.rzone.de, shades05.rzone.de and shades18.rzone.de — plus 7 other name servers — are commonly paired with these name servers.
docks05.rzone.de and shades06.rzone.de each resolve to two IP addresses: docks05.rzone.de points to 217.160.80.132 and 2001:8d8:fe:53:5747:2a74:d:5, while shades06.rzone.de points to 185.132.34.133 and 2607:f1c0:fe:53:185:132:34:133.
Mail Servers
opensystems.de uses one mail server — smtpin.rzone.de.
The mail server setup of opensystems.de matches that of other domains such as pythons.de, dingeldings.online, reaktorman.de and two others.
smtpin.rzone.de has two IP addresses: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.