keysystem.de - dns.ninja

`keysystem.de`

DNSSEC	⚠️ Not signed
A	88.198.70.148^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
		PTR	`static.88-198-70-148.clients.your-server.de`
NS	`ns1.domaindiscount24.net` ⭐
		A	2a04:2b00:14cc::34^{🇬🇧 RCODEZERO-ANYCAST-SEC1-TLD2a04:2b00:14cc::/48}
			PTR	`ns1.monikerdns.net`
			PTR	`ns34.i.centralnic-dns.com`
		A	193.227.117.34^{🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24}
			PTR	`ns1.domaindiscount24.net`
NS	`ns2.domaindiscount24.net`
		A	2a04:2b00:14dd::34^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14dd::/48}
			PTR	`ns2.monikerdns.net`
			PTR	`ns34.j.centralnic-dns.com`
		A	194.50.187.34^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24}
			PTR	`ns2.domaindiscount24.net`
NS	`ns3.domaindiscount24.net`
		A	2a04:2b00:14ee::34^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14ee::/48}
			PTR	`ns3.monikerdns.net`
			PTR	`ns34.k.centralnic-dns.com`
		A	194.0.182.34^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.0.182.0/24}
			PTR	`ns3.domaindiscount24.net`
MX	`mx01.keysystem.de` ⭐
		A	157.90.126.195^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
			PTR	`mx01.keysystem.de`
TXT	`v=spf1 a mx -all`
SOA	`ns1.domaindiscount24.net`tech@key-systems.net 2026-02-12 #0

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1786166715

Subdomains

mxbackup.keysystem.de

notes.keysystem.de

mx02.keysystem.de

mail.keysystem.de

mx01.keysystem.de

Same first word

keysystem.net

keysystem.us

keysystem.de

keysystem.jp

keysystem.eu

Similar names

systemkey.ir

systemkey.com

DNS History

10 records (5 active, 5 former)

●NSns1.domaindiscount24.net2007-12-02 → 2026-08-08 · 2 obs

● 2007-12-02 09:42:46
● 2026-08-08 05:53:44

●NSns2.domaindiscount24.net2007-12-02 → 2026-08-08 · 2 obs

● 2007-12-02 09:42:46
● 2026-08-08 05:53:44

●NSns3.domaindiscount24.net2007-12-02 → 2026-08-08 · 2 obs

● 2007-12-02 09:42:46
● 2026-08-08 05:53:44

○MXmail.whrm.com2015-05-29 → 2017-08-08 · 5 obs

○ 2007-12-02 09:42:46
● 2015-05-29 22:43:32
● 2017-08-08 08:59:54
○ 2026-02-15 08:57:56
○ 2026-08-08 05:53:44

○MXmail2.whrm.com2007-12-02 → 2007-12-02 · 3 obs

● 2007-12-02 09:42:46
○ 2015-05-29 22:43:32
○ 2026-08-08 05:53:44

●MXmx01.keysystem.de2007-12-02 → 2026-08-08 · 2 obs

● 2007-12-02 09:42:46
● 2026-08-08 05:53:44

○MXmx02.keysystem.de2007-12-02 → 2017-08-08 · 4 obs

● 2007-12-02 09:42:46
● 2017-08-08 08:59:54
○ 2026-02-15 08:57:56
○ 2026-08-08 05:53:44

○A188.40.104.1962015-05-29 → 2015-05-29 · 4 obs

○ 2007-12-02 09:42:46
● 2015-05-29 22:43:32
○ 2015-10-26 15:31:54
○ 2026-08-08 05:53:44

○A88.198.44.1762007-12-02 → 2007-12-02 · 3 obs

● 2007-12-02 09:42:46
○ 2015-05-29 22:43:32
○ 2026-08-08 05:53:44

●A88.198.70.1482015-10-26 → 2026-08-08 · 3 obs

○ 2015-05-29 22:43:32
● 2015-10-26 15:31:54
● 2026-08-08 05:53:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
keysystem.de	ns1.domaindiscount24.net, ns2.domaindiscount24.net, ns3.domaindiscount24.net	-

✅ Authoritative Response

Server:194.0.182.34

NS records: ns1.domaindiscount24.net, ns2.domaindiscount24.net, ns3.domaindiscount24.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keysystem.de (unsigned zone)

⏱️ Timing

Total: 586ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.198.70.148`
NS	3	`ns3.domaindiscount24.net, ns1.domaindiscount24.net...`
MX	1	`mx01.keysystem.de (pri: 10)`
TXT	1	`v=spf1 a mx -all`
SOA	1	`ns1.domaindiscount24.net tech.key-system`

Analysis

Hierarchy

keysystem.de is a parent domain of mxbackup.keysystem.de, notes.keysystem.de, mx02.keysystem.de, mail.keysystem.de and mx01.keysystem.de.

IP Addresses

keysystem.de points to a single IP number: 88.198.70.148.

Other host names, such as static.88-198-70-148.clients.your-server.de, share IP numbers with keysystem.de.

Name Servers

keysystem.de is delegated to three name servers: ns1.domaindiscount24.net, ns2.domaindiscount24.net and ns3.domaindiscount24.net.

keysystem.de shares at least some of its name servers with other domains, including fjordseaways.eu, ipfabric.net, rss-feed.de and two others.

ns1.domaindiscount24.net, ns2.domaindiscount24.net and ns3.domaindiscount24.net each resolve to two IP addresses: ns1.domaindiscount24.net resolves to 193.227.117.34 and 2a04:2b00:14cc::34; ns2.domaindiscount24.net resolves to 194.50.187.34 and 2a04:2b00:14dd::34; ns3.domaindiscount24.net resolves to 194.0.182.34 and 2a04:2b00:14ee::34.

Mail Servers

keysystem.de has one mail server: mx01.keysystem.de.

keysystem.de shares the same mail server setup as other domains, including yetiman.net, yetiman.de, gerdzeisler.de and two others.

keysystem.de shares at least some of its mail servers with other domains, such as superlumpi.de.

These mail servers are frequently seen alongside the mail servers home.gerdzeisler.de.

mx01.keysystem.de resolves to a single IP number: 157.90.126.195.