complexcases.de - dns.ninja

`complexcases.de`

DNSSEC	⚠️ Not signed
A	78.46.215.207^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
		PTR	`static.207.215.46.78.clients.your-server.de`
A	78.46.225.107^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
NS	`ns1.stackit.cloud` ⭐
		A	2001:67c:1bc::16^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.dns.stackit.cloud`
		A	192.174.68.16^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.dns.stackit.cloud`
NS	`ns2.stackit.zone`
		A	2001:67c:10b8::16^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.dns.stackit.cloud`
		A	176.97.158.16^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.dns.stackit.cloud`
MX	`mail.rulemapping.app` ⭐
		A	188.34.67.238^{🇩🇪 SCHWARZ-IT188.34.64.0/22}
			PTR	`mail.rulemapping.app`
TXT	`v=spf1 mx a:mx5.knowledgetools.de a:mail.rulemapping.app ~all`
SOA	`ns1.stackit.cloud`hostmaster@stackit.cloud 2026-07-02 #2

`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=1784811976

Same first word

complexcases.de

DNS History

19 records (5 active, 14 former)

○NSb.ns14.net2026-05-05 → 2026-07-23 · 2 obs

○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

○NSc.ns14.net2026-05-05 → 2026-07-23 · 2 obs

○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

○NSdns1.epag.net2015-05-21 → 2017-12-27 · 4 obs

● 2015-05-21 08:36:00
● 2017-12-27 07:09:34
○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

○NSdns1.knowledgetools.de2015-05-21 → 2017-12-27 · 4 obs

● 2015-05-21 08:36:00
● 2017-12-27 07:09:34
○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

○NSdns2.epag.net2015-05-21 → 2017-12-27 · 4 obs

● 2015-05-21 08:36:00
● 2017-12-27 07:09:34
○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

○NSdns5-ktools.unbelievable-machine.net2026-05-05 → 2026-07-23 · 2 obs

○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

○NSdns5.knowledgetools.de2026-05-05 → 2026-07-23 · 2 obs

○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

○NSdns6-ktools.unbelievable-machine.net2026-05-05 → 2026-07-23 · 2 obs

○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

○NSdns6.knowledgetools.de2026-05-05 → 2026-07-23 · 2 obs

○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

●NSns1.stackit.cloud2026-05-05 → 2026-07-23 · 3 obs

○ 2017-12-27 07:09:34
● 2026-05-05 13:35:14
● 2026-07-23 13:36:42

●NSns2.stackit.zone2026-05-05 → 2026-07-23 · 3 obs

○ 2017-12-27 07:09:34
● 2026-05-05 13:35:14
● 2026-07-23 13:36:42

○MXmail.knowledgetools.de.complexcases.de2015-05-21 → 2016-12-04 · 4 obs

● 2015-05-21 08:36:00
● 2016-12-04 05:59:50
○ 2017-12-27 07:09:34
○ 2026-07-23 13:36:42

●MXmail.rulemapping.app2026-07-23 → 2026-07-23 · 2 obs

○ 2026-06-04 18:20:22
● 2026-07-23 13:36:42

○MXmx1.knowledgetools.de2017-12-27 → 2017-12-27 · 4 obs

○ 2016-12-04 05:59:50
● 2017-12-27 07:09:34
○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

○MXmx2.knowledgetools.de2017-12-27 → 2017-12-27 · 4 obs

○ 2016-12-04 05:59:50
● 2017-12-27 07:09:34
○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

○MXmx5.knowledgetools.de2026-05-05 → 2026-06-04 · 4 obs

○ 2017-12-27 07:09:34
● 2026-05-05 13:35:14
● 2026-06-04 18:20:22
○ 2026-07-23 13:36:42

○A46.231.183.982015-05-21 → 2017-12-27 · 4 obs

● 2015-05-21 08:36:00
● 2017-12-27 07:09:34
○ 2026-05-05 13:35:14
○ 2026-07-23 13:36:42

●A78.46.215.2072026-05-05 → 2026-07-23 · 3 obs

○ 2017-12-27 07:09:34
● 2026-05-05 13:35:14
● 2026-07-23 13:36:42

●A78.46.225.1072026-05-05 → 2026-07-23 · 3 obs

○ 2017-12-27 07:09:34
● 2026-05-05 13:35:14
● 2026-07-23 13:36:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
complexcases.de	ns2.stackit.zone, ns1.stackit.cloud	-

✅ Authoritative Response

Server:192.174.68.16

NS records: ns2.stackit.zone, ns1.stackit.cloud

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for complexcases.de (unsigned zone)

⏱️ Timing

Total: 798ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`78.46.225.107, 78.46.215.207`
NS	2	`ns2.stackit.zone, ns1.stackit.cloud`
MX	1	`mail.rulemapping.app (pri: 10)`
TXT	1	`v=spf1 mx a:mx5.knowledgetools.de a:mail`
SOA	1	`ns1.stackit.cloud hostmaster.stackit.clo`

Analysis

IP Addresses

complexcases.de points to the IP addresses 78.46.215.207 and 78.46.225.107

Two other host names, along with knowledge-tools.de, complexcontracts.de and static.107.225.46.78.clients.your-server.de, also share IP numbers with complexcases.de.

Name Servers

DNS delegation for complexcases.de points to two name servers: ns1.stackit.cloud and ns2.stackit.zone.

complexcases.de shares its NS records with other domains, for example img.schwarz, service.justiz.de, zup.lidl and two others.

The name servers of complexcases.de overlap at least partially with those of other domains — among them secio.com, fwws.lidl, stackit.rocks and two more.

The name servers ns1.dns.stackit.cloud, ns2.dns.stackit.cloud and ns2.stackit.cloud are commonly seen alongside these name servers.

ns1.stackit.cloud directs to 192.174.68.16 and 2001:67c:1bc::16. ns2.stackit.zone directs to 176.97.158.16 and 2001:67c:10b8::16. Each host name carries two IP addresses.

Mail Servers

The sole mail server for complexcases.de is mail.rulemapping.app.

complexcases.de uses the same mail servers as knowledgetools.info, rulemapping.app, complexcontracts.de and knowledgetools.de, and other domains with the same setup.

mail.rulemapping.app has exactly one IP number: 188.34.67.238.