sys4.de - dns.ninja

sys4.de

DNSSEC🔒 Signed (DS record present)
A2001:1578:400:111::1:3🇩🇪 RAY-AS2001:1578:400::/40 ✓ In HTTPS hints
A194.126.158.152🇩🇪 RAY-AS194.126.158.0/23 EDV-Service Florian Kirstein - Ray.Net Munich, Germany ✓ In HTTPS hints
NSdnsh01.sys4.de ⭐
A2001:1578:400:111:5054:ff:fe44:bd6e🇩🇪 RAY-AS2001:1578:400::/40
A194.126.158.141🇩🇪 RAY-AS194.126.158.0/23 EDV-Service Florian Kirstein - Ray.Net Munich, Germany
NSns01.sys4.ch
A2a0a:4cc0:c0:7516:c48d:4aff:fe6d:3ad1🇦🇹 netcup-AS2a0a:4cc0:c0::/43
PTRns01.sys4.de
A152.53.227.32🇦🇹 netcup-AS152.53.224.0/22
PTRns01.sys4.de
NSns01.sys4.de
A2a0a:4cc0:c0:7516:c48d:4aff:fe6d:3ad1🇦🇹 netcup-AS2a0a:4cc0:c0::/43
PTRns01.sys4.de
A152.53.227.32🇦🇹 netcup-AS152.53.224.0/22
PTRns01.sys4.de
NSns01.sys4.farm
A2a01:4f8:c010:809d::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A168.119.61.53🇩🇪 Hetzner168.119.0.0/16 HETZNER-DC
PTRstatic.53.61.119.168.clients.your-server.de
MXmail.sys4.de ⭐
A2001:1578:400:111::7🇩🇪 RAY-AS2001:1578:400::/40
A194.126.158.132🇩🇪 RAY-AS194.126.158.0/23 EDV-Service Florian Kirstein - Ray.Net Munich, Germany
PTRmail.sys4.de
TXTv=spf1 ip4:212.114.206.217 ip4:194.126.158.132 ip4:194.126.158.144 ip4:188.68...
HTTPSHTTP/2 ✓ hints match
IPv4 hints194.126.158.152
IPv6 hints2001:1578:400:111::1:3
SOAdnsh01.sys4.dehostmaster@sys4.de serial=3000000237

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=1783978541
rank #548981 globally
rank #18978 in the tld
WOT: SAFE (73/100)

Subdomains

list02.sys4.de
ns-ams.sys4.de
list01.sys4.de
dane.sys4.de
mail.sys4.de
list.sys4.de
ns11.sys4.de
scan.sys4.de
ns1.sys4.de
www.sys4.de
ns.sys4.de
ns-v.sys4.de
nsx01.sys4.de
dnsh01.sys4.de
ns01.sys4.de

Same first word

sys4.ru
sys4.email
sys4.net
sys4.com
sys4.eu
sys4.de
sys4.farm
sys4.fr
sys4.org
sys4.ch
sys4.cn

Similar names

4sys.biz
ssy4.com
ss4y.com
4sys.ru
4sys.de
sy4s.com
4sys.fr
4yss.com
4ssy.net
s4ys.de
4sys.at
yss4.com
4ssy.com
4sys.com.br
4sys.org
4sys.net
4sys.nl
4sys.eu
s4ys.com

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSdnsh01.sys4.dens01.sys4.chns01.sys4.dens01.sys4.farmns.schiffbauer.netns.sys4.deMXmail.sys4.deA194.126.158.1522001:1578:400:111::1:3194.126.158.1542001:1578:400:111::8
●NSdnsh01.sys4.de2026-07-10 → 2026-07-13 · 3 obs
○ 2018-07-15 21:35:30
● 2026-07-10 10:52:04
● 2026-07-13 22:01:28
○NSns.schiffbauer.net2015-08-11 → 2018-07-15 · 4 obs
● 2015-08-11 08:12:36
● 2018-07-15 21:35:30
○ 2026-07-10 10:52:04
○ 2026-07-13 22:01:28
○NSns.sys4.de2015-08-11 → 2018-07-15 · 4 obs
● 2015-08-11 08:12:36
● 2018-07-15 21:35:30
○ 2026-07-10 10:52:04
○ 2026-07-13 22:01:28
●NSns01.sys4.ch2026-07-10 → 2026-07-13 · 3 obs
○ 2018-07-15 21:35:30
● 2026-07-10 10:52:04
● 2026-07-13 22:01:28
●NSns01.sys4.de2026-07-10 → 2026-07-13 · 3 obs
○ 2018-07-15 21:35:30
● 2026-07-10 10:52:04
● 2026-07-13 22:01:28
●NSns01.sys4.farm2026-07-10 → 2026-07-13 · 3 obs
○ 2018-07-15 21:35:30
● 2026-07-10 10:52:04
● 2026-07-13 22:01:28
●MXmail.sys4.de2015-08-11 → 2026-07-13 · 2 obs
● 2015-08-11 08:12:36
● 2026-07-13 22:01:28
●A194.126.158.1522026-02-14 → 2026-07-13 · 3 obs
○ 2018-07-15 21:35:30
● 2026-02-14 20:00:26
● 2026-07-13 22:01:28
○A194.126.158.1542015-08-11 → 2018-07-15 · 4 obs
● 2015-08-11 08:12:36
● 2018-07-15 21:35:30
○ 2026-02-14 20:00:26
○ 2026-07-13 22:01:28
●A2001:1578:400:111::1:32026-02-14 → 2026-07-13 · 3 obs
○ 2018-07-15 21:35:30
● 2026-02-14 20:00:26
● 2026-07-13 22:01:28
○A2001:1578:400:111::82015-08-11 → 2018-07-15 · 4 obs
● 2015-08-11 08:12:36
● 2018-07-15 21:35:30
○ 2026-02-14 20:00:26
○ 2026-07-13 22:01:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
sys4.dens01.sys4.de, ns01.sys4.farm, ns01.sys4.ch2 records

✅ Authoritative Response

Server:152.53.227.32

NS records: ns01.sys4.de, ns01.sys4.farm, ns01.sys4.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1287ms | Queries: -

📄 Records

TypeCountSample Data
A1194.126.158.152
AAAA12001:1578:400:111::1:3
NS3ns01.sys4.de, ns01.sys4.farm...
MX1mail.sys4.de (pri: 10)
TXT1v=spf1 ip4:212.114.206.217 ip4:194.126.1
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1dnsh01.sys4.de hostmaster.sys4.de

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns01.sys4.de, ns01.sys4.de)

Analysis

Hierarchy

sys4.de is the parent domain of list02.sys4.de, ns-ams.sys4.de, list01.sys4.de, dane.sys4.de, mail.sys4.de and a few other host names.

IP Addresses

sys4.de directs to two IP numbers, 194.126.158.152 and 2001:1578:400:111::1:3

There are other host names — www.sys4.de among them — that share IP numbers with sys4.de.

Name Servers

sys4.de has four authoritative name servers: ns01.sys4.ch, dnsh01.sys4.de, ns01.sys4.de and ns01.sys4.farm.

sys4.de shares at least some of its name servers with other domains, including sys4.email, postfix-book.com, sys4.eu and two others.

These name servers are frequently seen alongside the name servers ns.schiffbauer.net, ns.sys4.de, ns4.tidelock.de and ns5.tidelock.de.

The four host names ns01.sys4.ch, dnsh01.sys4.de, ns01.sys4.de and ns01.sys4.farm each resolve to two IP addresses. ns01.sys4.ch resolves to 152.53.227.32 and 2a0a:4cc0:c0:7516:c48d:4aff:fe6d:3ad1. dnsh01.sys4.de resolves to 194.126.158.141 and 2001:1578:400:111:5054:ff:fe44:bd6e. ns01.sys4.de resolves to 152.53.227.32 and 2a0a:4cc0:c0:7516:c48d:4aff:fe6d:3ad1. ns01.sys4.farm resolves to 168.119.61.53 and 2a01:4f8:c010:809d::1. Note that ns01.sys4.ch and ns01.sys4.de share the same pair of IP addresses.

Host names pointing to 2a0a:4cc0:c0:7516:c48d:4aff:fe6d:3ad1 IP addresses: ns01.sys4.ch and ns01.sys4.de.

Host names pointing to 152.53.227.32 IP addresses: ns01.sys4.ch and ns01.sys4.de.

Mail Servers

sys4.de has one mail server: mail.sys4.de.

mail.sys4.de points to two IP addresses: 194.126.158.132 and 2001:1578:400:111::7.