cro.systems - robtex.com
cro.systems
| 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 | shades15.rzone.de ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:142🇺🇸 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 | shades15.rzone.de | ||||||
| A | 185.132.34.142🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades15.rzone.de | ||||||
| NS | docks14.rzone.de | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:14🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks14.rzone.de | ||||||
| A | 217.160.80.141🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks14.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 | globalsign-domain-verification=iLQPEwSJRGVjO2kB96Q2APj0F6F_XbasYvS-kJATPu | ||||||
| SOA | shades15.rzone.dehostmaster@strato-rz.de 2025-03-25 #24 | ||||||
systems
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.systems ⭐ | ||||||
| NS | v0n1.nic.systems | ||||||
| NS | v0n2.nic.systems | ||||||
| NS | v0n3.nic.systems | ||||||
| NS | v2n0.nic.systems | ||||||
| NS | v2n1.nic.systems | ||||||
| SOA | v0n0.nic.systemshostmaster@donuts.email serial=1783256673 | ||||||
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
●NSdocks14.rzone.de2026-06-11 → 2026-07-05 · 3 obs
● 2026-06-11 10:57:46
● 2026-07-05 13:12:18
○NSns-cloud-e1.googledomains.com2017-08-17 → 2021-05-02 · 5 obs
● 2017-08-17 19:45:34
● 2021-05-02 18:45:50
○ 2026-06-11 10:57:46
○ 2026-07-05 13:12:18
○NSns-cloud-e2.googledomains.com2017-08-17 → 2021-05-02 · 5 obs
● 2017-08-17 19:45:34
● 2021-05-02 18:45:50
○ 2026-06-11 10:57:46
○ 2026-07-05 13:12:18
○NSns-cloud-e3.googledomains.com2017-08-17 → 2021-05-02 · 5 obs
● 2017-08-17 19:45:34
● 2021-05-02 18:45:50
○ 2026-06-11 10:57:46
○ 2026-07-05 13:12:18
○NSns-cloud-e4.googledomains.com2017-08-17 → 2021-05-02 · 5 obs
● 2017-08-17 19:45:34
● 2021-05-02 18:45:50
○ 2026-06-11 10:57:46
○ 2026-07-05 13:12:18
○NSns07.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
○ 2017-08-17 19:45:34
○ 2026-07-05 13:12:18
○NSns08.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
○ 2017-08-17 19:45:34
○ 2026-07-05 13:12:18
●NSshades15.rzone.de2026-06-11 → 2026-07-05 · 3 obs
● 2026-06-11 10:57:46
● 2026-07-05 13:12:18
○MXmailstore1.secureserver.net2016-12-10 → 2021-05-02 · 4 obs
● 2021-05-02 18:45:50
○ 2026-06-11 10:57:46
○ 2026-07-05 13:12:18
○MXsmtp.secureserver.net2016-12-10 → 2021-05-02 · 4 obs
● 2021-05-02 18:45:50
○ 2026-06-11 10:57:46
○ 2026-07-05 13:12:18
●MXsmtpin.rzone.de2026-06-11 → 2026-07-05 · 3 obs
● 2026-06-11 10:57:46
● 2026-07-05 13:12:18
○A184.168.221.432016-12-10 → 2021-05-02 · 4 obs
● 2021-05-02 18:45:50
○ 2026-06-11 10:57:46
○ 2026-07-05 13:12:18
●A2a01:238:20a:202:1145::2026-06-11 → 2026-07-05 · 3 obs
● 2026-06-11 10:57:46
● 2026-07-05 13:12:18
●A81.169.145.1452026-06-11 → 2026-07-05 · 3 obs
● 2026-06-11 10:57:46
● 2026-07-05 13:12:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| systems | v0n0.nic.systems, v0n2.nic.systems, v2n0.nic.systems, v0n1.nic.systems... | 12 records |
| cro.systems | docks14.rzone.de, shades15.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.142
NS records: docks14.rzone.de, shades15.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cro.systems (unsigned zone)
⏱️ Timing
Total: 606ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.145 |
| AAAA | 1 | 2a01:238:20a:202:1145:: |
| NS | 2 | shades15.rzone.de, docks14.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| TXT | 1 | globalsign-domain-verification=iLQPEwSJR |
| SOA | 1 | shades15.rzone.de hostmaster.strato-rz.d |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.systems, v0n0.nic.systems, v0n2.nic.systems...)
Analysis
IP Addresses
cro.systems resolves to the IP addresses 81.169.145.145 and 2a01:238:20a:202:1145::
Two other host names, along with lamberti-coe.de, optic-handel.com and pelayo.de, also share IP numbers with cro.systems.
Name Servers
The NS records for cro.systems delegate to docks14.rzone.de and shades15.rzone.de.
cro.systems shares its NS records with other domains, for example franklippold.net, silberfreund.de, waterjet.expert and two others.
cro.systems shares at least some of its name servers with other domains, including tierarzt-hemer.com, tec-motors.de, comquest.de and two others.
These name servers are frequently seen alongside shades02.rzone.de, docks17.rzone.de, shades03.rzone.de and 7 other name servers.
docks14.rzone.de resolves to 217.160.80.141 and 2001:8d8:fe:53:5747:2a74:d:14. Likewise, shades15.rzone.de resolves to 185.132.34.142 and 2607:f1c0:fe:53:185:132:34:142 — two IP addresses apiece.
Mail Servers
The sole mail server for cro.systems is smtpin.rzone.de.
Among the domains sharing a mail server setup with cro.systems are bio-gate.de, zeud.info, golfblog.biz and two others.
smtpin.rzone.de points to two IP addresses: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.