4system.de - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

4system.de

DNSSEC⚠️ Not signed
A213.239.227.89🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRsigma.4system.de
NShydrogen.ns.hetzner.com ⭐
A2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRhydrogen.ns.hetzner.com
A213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRhydrogen.ns.hetzner.com
NShelium.ns.hetzner.de
A2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRhelium.ns.hetzner.de
A193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRhelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
A2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRoxygen.ns.hetzner.com
A88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRoxygen.ns.hetzner.com
MXmail.4system.de ⭐
A213.239.227.89🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRsigma.4system.de
TXTv=spf1 ip4:88.198.7.248 ip4:213.239.227.89 ip6:2a01:4f8:222:284e::2 a:alpha.4...
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-04-21 #2

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1786846017
WOT: SAFE (75/100)

Subdomains

eta.4system.de
ax41.4system.de
alpha.4system.de
euve.4system.de
beta.4system.de
analytics.4system.de
omega1.4system.de
eva.4system.de
epsilon.4system.de
www.4system.de
omega.4system.de
mail.4system.de
sigma.4system.de

Same first word

4system.pl
4system.com
4system.sk
4system.eu
4system.gmbh
4system.net
4system.de

Similar names

system4.net
system4.nl
system4.ca
system4.ua
system4.com.ua
system4.es
system4.co
system4.info
system4.me
system4.ch
system4.be
system4.biz
system4.org
system4.eu
system4.de
system4.com
system4.com.br

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NShelium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.coma1.rsns.hosteurope.dec1.rpns.hosteurope.deMXmail.4system.de4system-de.mail.protection.outlook.comA213.239.227.89188.138.4.185.25.45.24888.99.88.195
○NSa1.rsns.hosteurope.de2015-08-05 → 2020-03-11 · 4 obs
● 2015-08-05 21:42:42
● 2020-03-11 10:49:56
○ 2026-02-23 17:51:04
○ 2026-08-16 02:25:38
○NSc1.rpns.hosteurope.de2015-08-05 → 2020-03-11 · 4 obs
● 2015-08-05 21:42:42
● 2020-03-11 10:49:56
○ 2026-02-23 17:51:04
○ 2026-08-16 02:25:38
●NShelium.ns.hetzner.de2026-02-23 → 2026-08-16 · 3 obs
○ 2020-03-11 10:49:56
● 2026-02-23 17:51:04
● 2026-08-16 02:25:38
●NShydrogen.ns.hetzner.com2026-02-23 → 2026-08-16 · 3 obs
○ 2020-03-11 10:49:56
● 2026-02-23 17:51:04
● 2026-08-16 02:25:38
●NSoxygen.ns.hetzner.com2026-02-23 → 2026-08-16 · 3 obs
○ 2020-03-11 10:49:56
● 2026-02-23 17:51:04
● 2026-08-16 02:25:38
○MX4system-de.mail.protection.outlook.com2015-08-05 → 2020-03-11 · 4 obs
● 2015-08-05 21:42:42
● 2020-03-11 10:49:56
○ 2026-02-23 17:51:04
○ 2026-08-16 02:25:38
●MXmail.4system.de2026-02-23 → 2026-08-16 · 3 obs
○ 2020-03-11 10:49:56
● 2026-02-23 17:51:04
● 2026-08-16 02:25:38
○A188.138.4.12015-08-05 → 2015-11-21 · 4 obs
● 2015-08-05 21:42:42
● 2015-11-21 19:33:46
○ 2016-01-21 23:32:02
○ 2026-08-16 02:25:38
●A213.239.227.892026-02-23 → 2026-08-16 · 3 obs
○ 2020-03-11 10:49:56
● 2026-02-23 17:51:04
● 2026-08-16 02:25:38
○A85.25.45.2482016-01-21 → 2016-07-15 · 5 obs
○ 2015-11-21 19:33:46
● 2016-01-21 23:32:02
● 2016-07-15 21:47:38
○ 2017-03-27 11:35:14
○ 2026-08-16 02:25:38
○A88.99.88.1952017-03-27 → 2020-03-11 · 5 obs
○ 2016-07-15 21:47:38
● 2017-03-27 11:35:14
● 2020-03-11 10:49:56
○ 2026-02-23 17:51:04
○ 2026-08-16 02:25:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, a.nic.de, z.nic.de-
4system.dehelium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com-

✅ Authoritative Response

Server:193.47.99.5

NS records: helium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4system.de (unsigned zone)

⏱️ Timing

Total: 895ms | Queries: -

📄 Records

TypeCountSample Data
A1213.239.227.89
NS3helium.ns.hetzner.de, hydrogen.ns.hetzner.com...
MX1mail.4system.de (pri: 10)
TXT1v=spf1 ip4:88.198.7.248 ip4:213.239.227.
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

Analysis

Hierarchy

The host names eta.4system.de, ax41.4system.de, alpha.4system.de, euve.4system.de and beta.4system.de — among a few others — fall under the parent domain 4system.de.

IP Addresses

4system.de points to a single IP number: 213.239.227.89.

Additional host names — anti-mainstream.de, mail.jadax.net, okatec.de and two others — share IP numbers with 4system.de.

Name Servers

DNS for 4system.de is handled by three authoritative name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

At least some of 4system.de's name servers are shared with other domains, for example virusclan.de, dbschema.store, ovt.fi and two more.

These name servers tend to be used in conjunction with the name servers ns1.first-ns.de.

Three hostnames — hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de — each have two IP addresses: hydrogen.ns.hetzner.com has 213.133.100.98 and 2a01:4f8:0:1::add:1098, oxygen.ns.hetzner.com has 88.198.229.192 and 2a01:4f8:0:1::add:2992, and helium.ns.hetzner.de has 193.47.99.5 and 2001:67c:192c::add:5.

Mail Servers

4system.de has one mail server: mail.4system.de.

mail.4system.de has exactly one IP number: 213.239.227.89.