system41.org - robtex.com
system41.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.198.107.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | mail.saprokapro.de | ||||||
| NS | docks04.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:4🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks04.rzone.de | ||||||
| A | 217.160.80.131🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks04.rzone.de | ||||||
| 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 | ||||||
| MX | mail.saprokapro.de ⭐ | ||||||
| A | 88.198.107.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | mail.saprokapro.de | ||||||
| TXT | v=spf1 a mx ip4:213.187.74.107 ~all | ||||||
| SOA | docks04.rzone.dehostmaster@strato-rz.de 2024-04-15 #9 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774615297 | ||||||
Subdomains
mail.system41.org |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
●NSdocks04.rzone.de2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 12:51:54
● 2026-03-27 12:51:58
○NSns65.1und1.de2015-06-11 → 2017-06-01 · 4 obs
● 2017-06-01 00:08:50
○ 2026-03-27 12:51:54
○ 2026-03-27 12:51:58
○NSns66.1und1.de2015-06-11 → 2017-06-01 · 4 obs
● 2017-06-01 00:08:50
○ 2026-03-27 12:51:54
○ 2026-03-27 12:51:58
●NSshades02.rzone.de2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 12:51:54
● 2026-03-27 12:51:58
●MXmail.saprokapro.de2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 12:51:54
● 2026-03-27 12:51:58
○MXmx.system41.co.uk2015-06-11 → 2017-06-01 · 4 obs
● 2017-06-01 00:08:50
○ 2026-03-27 12:51:54
○ 2026-03-27 12:51:58
○MXmx.system41.de2015-06-11 → 2017-06-01 · 4 obs
● 2017-06-01 00:08:50
○ 2026-03-27 12:51:54
○ 2026-03-27 12:51:58
○MXmx00.kundenserver.de2015-06-11 → 2017-06-01 · 4 obs
● 2017-06-01 00:08:50
○ 2026-03-27 12:51:54
○ 2026-03-27 12:51:58
○MXmx01.kundenserver.de2015-06-11 → 2017-06-01 · 4 obs
● 2017-06-01 00:08:50
○ 2026-03-27 12:51:54
○ 2026-03-27 12:51:58
○A212.227.20.1202015-06-11 → 2017-06-01 · 4 obs
● 2017-06-01 00:08:50
○ 2026-03-27 12:51:54
○ 2026-03-27 12:51:58
●A88.198.107.1922026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 12:51:54
● 2026-03-27 12:51:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| system41.org | docks04.rzone.de, shades02.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.129
NS records: docks04.rzone.de, shades02.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for system41.org (unsigned zone)
⏱️ Timing
Total: 2660ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.198.107.192 |
| NS | 2 | shades02.rzone.de, docks04.rzone.de |
| MX | 1 | mail.saprokapro.de (pri: 20) |
| TXT | 1 | v=spf1 a mx ip4:213.187.74.107 ~all |
| SOA | 1 | docks04.rzone.de hostmaster.strato-rz.de |
Analysis
Hierarchy
system41.org is the parent of mail.system41.org.
IP Addresses
system41.org resolves to one IP number: 88.198.107.192.
Other host names such as saprokapro.de and mail.saprokapro.de share IP numbers with system41.org.
Name Servers
system41.org is delegated to two name servers docks04.rzone.de and shades02.rzone.de.
system41.org shares the same name server setup as other domains, for instance nl2.be, x-team.de, ggsystems.de, rubenhagen.de and volker-zimmer.de.
system41.org at least partially shares name servers with other domains, for instance khsd.de, niklas-steiner.de, boml.de, steuerkanzleibonitz.eu and laurea.de.
These name servers are commonly used with the following name servers: shades17.rzone.de, shades11.rzone.de, docks05.rzone.de, shades12.rzone.de, docks11.rzone.de, docks08.rzone.de, shades09.rzone.de, shades20.rzone.de, shades07.rzone.de and docks15.rzone.de.
Host names with two IP numbers:
The host name docks04.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:4 and 217.160.80.131; the host name shades02.rzone.de points to 2607:f1c0:fe:53:185:132:34:129 and 185.132.34.129.
Mail Servers
system41.org is handled by a single mail server, mail.saprokapro.de.
system41.org shares mail servers with other domains to some extent, for instance saprokapro.de.
these mail servers are commonly used with the mail servers relay.rzone.de.
mail.saprokapro.de resolves to IP 88.198.107.192.