system-courier.de - robtex.com
system-courier.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1145::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | w91.rzone.de | ||||||
| A | 81.169.145.145🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | shades02.rzone.de ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:129🇺🇸 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 | shades02.rzone.de | ||||||
| A | 185.132.34.129🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades02.rzone.de | ||||||
| NS | docks07.rzone.de | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:7🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks07.rzone.de | ||||||
| A | 217.160.80.134🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks07.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 | shades02.rzone.dehostmaster@strato-rz.de 2020-05-23 #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=1774812396 | ||||||
Same first word
system-courier.de |
Similar names
DNS History
6 records (5 active, 1 former)
○MXsmtp.rzone.de2015-05-17 → 2017-04-01 · 4 obs
● 2017-04-01 23:48:52
○ 2026-02-18 18:59:16
○ 2026-03-29 19:32:06
●MXsmtpin.rzone.de2026-02-18 → 2026-03-29 · 3 obs
● 2026-02-18 18:59:16
● 2026-03-29 19:32:06
●A2a01:238:20a:202:1145::2015-05-17 → 2026-03-29 · 2 obs
● 2026-03-29 19:32:06
●A81.169.145.1452015-05-17 → 2026-03-29 · 2 obs
● 2026-03-29 19:32:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, z.nic.de, f.nic.de | - |
| system-courier.de | docks07.rzone.de, shades02.rzone.de | - |
✅ Authoritative Response
Server:217.160.80.134
NS records: docks07.rzone.de, shades02.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for system-courier.de (unsigned zone)
⏱️ Timing
Total: 904ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.145 |
| AAAA | 1 | 2a01:238:20a:202:1145:: |
| NS | 2 | shades02.rzone.de, docks07.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | shades02.rzone.de hostmaster.strato-rz.d |
Analysis
IP Addresses
system-courier.de resolves to two IP numbers: 2a01:238:20a:202:1145:: and 81.169.145.145.
Other host names, for instance event-support.eu, ficonet.biz, suntastisch.com, kohlekimya.com and xn--garten-sthle-llb.de share IP numbers with system-courier.de.
Name Servers
system-courier.de has two name servers: docks07.rzone.de and shades02.rzone.de.
system-courier.de shares the same name server setup as other domains, for example musay.de, printinberlin.com, findword.eu, utopia-capital.com and knoarts.com.
system-courier.de shares some name servers with other domains, for example gmd-us.de, aber-is.de, k-a-j.com, sparbus.de and texas45.de.
these name servers are often used with shades04.rzone.de, shades10.rzone.de, docks10.rzone.de, shades13.rzone.de, docks04.rzone.de, docks15.rzone.de, shades15.rzone.de, shades03.rzone.de, shades07.rzone.de and shades14.rzone.de.
Host names with two IP numbers:
docks07.rzone.de points to: 2001:8d8:fe:53:5747:2a74:d:7 and 217.160.80.134; shades02.rzone.de points to: 2607:f1c0:fe:53:185:132:34:129 and 185.132.34.129.
Mail Servers
system-courier.de is handled by a single mail server, smtpin.rzone.de.
system-courier.de shares the mail server setup with other domains, for example suedportal.de, roheit.de, mail.ezlife.eu, burnerhead.de and mail.hoergeraete-bornheim.de.
smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.