a1system.de - dns.ninja

a1system.de

DNSSEC⚠️ Not signed
A213.133.104.4🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRwww4.your-server.de
NSns1.your-server.de ⭐
A2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.your-server.de
A213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRns1.your-server.de
NSns.second-ns.com
A2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns.second-ns.com
A213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns.second-ns.com
NSns3.second-ns.de
A2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRns3.second-ns.de
A193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRns3.second-ns.de
MXwww4.your-server.de ⭐
A2a01:4f8:d0a:27bd::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww4.your-server.de
A88.198.219.246🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRwww4.your-server.de
TXTv=spf1 +a +mx ?all
SOAns1.your-server.depostmaster@your-server.de 2026-01-08 #0

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=1785550991

Same first word

a1system.cz
a1system.de
a1system.cn

Similar names

system1a.com
systema1.it

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSns.second-ns.comns1.your-server.dens3.second-ns.dens1.domainname.atns1.redirectdom.comns2.redirectdom.comMXwww4.your-server.deA213.133.104.4176.9.83.229
●NSns.second-ns.com2026-03-20 → 2026-08-01 · 3 obs
○ 2015-12-22 10:51:08
● 2026-03-20 05:37:34
● 2026-08-01 02:37:14
○NSns1.domainname.at2015-10-15 → 2015-10-15 · 3 obs
● 2015-10-15 01:51:42
○ 2015-12-22 10:51:08
○ 2026-08-01 02:37:14
○NSns1.redirectdom.com2015-10-15 → 2015-10-15 · 3 obs
● 2015-10-15 01:51:42
○ 2015-12-22 10:51:08
○ 2026-08-01 02:37:14
●NSns1.your-server.de2026-03-20 → 2026-08-01 · 3 obs
○ 2015-12-22 10:51:08
● 2026-03-20 05:37:34
● 2026-08-01 02:37:14
○NSns2.redirectdom.com2015-10-15 → 2015-10-15 · 3 obs
● 2015-10-15 01:51:42
○ 2015-12-22 10:51:08
○ 2026-08-01 02:37:14
●NSns3.second-ns.de2026-03-20 → 2026-08-01 · 3 obs
○ 2015-12-22 10:51:08
● 2026-03-20 05:37:34
● 2026-08-01 02:37:14
●MXwww4.your-server.de2026-03-20 → 2026-08-01 · 2 obs
● 2026-03-20 05:37:34
● 2026-08-01 02:37:14
○A176.9.83.2292015-10-15 → 2015-10-15 · 3 obs
● 2015-10-15 01:51:42
○ 2015-12-22 10:51:08
○ 2026-08-01 02:37:14
●A213.133.104.42026-03-20 → 2026-08-01 · 3 obs
○ 2015-12-22 10:51:08
● 2026-03-20 05:37:34
● 2026-08-01 02:37:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
a1system.dens.second-ns.com, ns1.your-server.de, ns3.second-ns.de4 records

✅ Authoritative Response

Server:213.133.100.102

NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a1system.de (unsigned zone)

⏱️ Timing

Total: 777ms | Queries: -

📄 Records

TypeCountSample Data
A1213.133.104.4
NS3ns3.second-ns.de, ns.second-ns.com...
MX1www4.your-server.de (pri: 10)
TXT1v=spf1 +a +mx ?all
SOA1ns1.your-server.de postmaster.your-serve

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.second-ns.de, ns1.your-server.de, ns3.second-ns.de...)

Analysis

IP Addresses

a1system.de resolves to just one IP address, 213.133.104.4.

Two other host names, along with voedimex.info, tunnelservicegroup.eu and schiebetueren-planer.de, also share IP numbers with a1system.de.

Name Servers

a1system.de is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

The name servers of a1system.de overlap at least partially with those of other domains — among them cevita.de, dedon.it, pelletteriafrancescato.com and two more.

These name servers commonly appear in combination with the name servers ns1.first-ns.de.

ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de each resolve to two IP addresses: ns.second-ns.com resolves to 213.239.204.242 and 2a01:4f8:0:a101::b:1; ns3.second-ns.de resolves to 193.47.99.4 and 2001:67c:192c::add:b3; ns1.your-server.de resolves to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

Mail Servers

The sole mail server for a1system.de is www4.your-server.de.

Among the domains sharing a mail server setup with a1system.de are koeppl.ch, groebming.info, boschpronews.at and two others.

a1system.de shares mail servers with at least some other domains, such as lichtzeichen-design.de, koudahl.de and cloud-service.at.

www4.your-server.de resolves to two IP numbers — 88.198.219.246 and 2a01:4f8:d0a:27bd::2.