complexcontracts.de - dns.ninja

`complexcontracts.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

complexcontracts.de

DNS History

21 records (5 active, 16 former)

○NSb.ns14.net2026-05-28 → 2026-07-23 · 2 obs

○ 2026-05-28 07:55:40
○ 2026-07-23 13:18:50

○NSc.ns14.net2026-05-28 → 2026-07-23 · 2 obs

○ 2026-05-28 07:55:40
○ 2026-07-23 13:18:50

○NSdns1.epag.net2015-08-08 → 2020-02-09 · 4 obs

● 2015-08-08 01:38:18
● 2020-02-09 01:21:30
○ 2026-05-28 07:55:40
○ 2026-07-23 13:18:50

○NSdns1.knowledgetools.de2015-08-08 → 2017-01-31 · 4 obs

● 2015-08-08 01:38:18
● 2017-01-31 03:54:20
○ 2020-02-09 01:21:30
○ 2026-07-23 13:18:50

○NSdns2.epag.net2015-08-08 → 2020-02-09 · 4 obs

● 2015-08-08 01:38:18
● 2020-02-09 01:21:30
○ 2026-05-28 07:55:40
○ 2026-07-23 13:18:50

○NSdns5-ktools.unbelievable-machine.net2020-02-09 → 2020-02-09 · 4 obs

○ 2017-01-31 03:54:20
● 2020-02-09 01:21:30
○ 2026-05-28 07:55:40
○ 2026-07-23 13:18:50

○NSdns5.knowledgetools.de2020-02-09 → 2020-02-09 · 4 obs

○ 2017-01-31 03:54:20
● 2020-02-09 01:21:30
○ 2026-05-28 07:55:40
○ 2026-07-23 13:18:50

○NSdns6-ktools.unbelievable-machine.net2020-02-09 → 2020-02-09 · 4 obs

○ 2017-01-31 03:54:20
● 2020-02-09 01:21:30
○ 2026-05-28 07:55:40
○ 2026-07-23 13:18:50

○NSdns6.knowledgetools.de2020-02-09 → 2020-02-09 · 4 obs

○ 2017-01-31 03:54:20
● 2020-02-09 01:21:30
○ 2026-05-28 07:55:40
○ 2026-07-23 13:18:50

●NSns1.stackit.cloud2026-05-28 → 2026-07-23 · 3 obs

○ 2020-02-09 01:21:30
● 2026-05-28 07:55:40
● 2026-07-23 13:18:50

●NSns2.stackit.zone2026-05-28 → 2026-07-23 · 3 obs

○ 2020-02-09 01:21:30
● 2026-05-28 07:55:40
● 2026-07-23 13:18:50

○MXmail.knowledgetools.de.complexcontracts.de2015-08-08 → 2016-06-18 · 4 obs

● 2015-08-08 01:38:18
● 2016-06-18 23:40:58
○ 2017-01-31 03:54:20
○ 2026-07-23 13:18:50

●MXmail.rulemapping.app2026-07-04 → 2026-07-23 · 3 obs

○ 2026-06-04 03:58:18
● 2026-07-04 05:13:44
● 2026-07-23 13:18:50

○MXmx1.knowledgetools.de2020-02-09 → 2020-02-09 · 4 obs

○ 2017-01-31 03:54:20
● 2020-02-09 01:21:30
○ 2026-05-28 07:55:40
○ 2026-07-23 13:18:50

○MXmx1.knowledgetools.de.complexcontracts.de2017-01-31 → 2017-01-31 · 4 obs

○ 2016-06-18 23:40:58
● 2017-01-31 03:54:20
○ 2020-02-09 01:21:30
○ 2026-07-23 13:18:50

○MXmx2.knowledgetools.de2020-02-09 → 2020-02-09 · 4 obs

○ 2017-01-31 03:54:20
● 2020-02-09 01:21:30
○ 2026-05-28 07:55:40
○ 2026-07-23 13:18:50

○MXmx2.knowledgetools.de.complexcontracts.de2017-01-31 → 2017-01-31 · 4 obs

○ 2016-06-18 23:40:58
● 2017-01-31 03:54:20
○ 2020-02-09 01:21:30
○ 2026-07-23 13:18:50

○MXmx5.knowledgetools.de2026-05-28 → 2026-06-04 · 5 obs

○ 2020-02-09 01:21:30
● 2026-05-28 07:55:40
● 2026-06-04 03:58:18
○ 2026-07-04 05:13:44
○ 2026-07-23 13:18:50

○A144.76.178.1482015-08-08 → 2017-01-31 · 4 obs

● 2015-08-08 01:38:18
● 2017-01-31 03:54:20
○ 2020-02-09 01:21:30
○ 2026-07-23 13:18:50

●A78.46.215.2072020-02-09 → 2026-07-23 · 3 obs

○ 2017-01-31 03:54:20
● 2020-02-09 01:21:30
● 2026-07-23 13:18:50

●A78.46.225.1072020-02-09 → 2026-07-23 · 3 obs

○ 2017-01-31 03:54:20
● 2020-02-09 01:21:30
● 2026-07-23 13:18:50

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:176.97.158.16

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for complexcontracts.de (unsigned zone)

⏱️ Timing

Total: 638ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`78.46.225.107, 78.46.215.207`
NS	2	`ns1.stackit.cloud, ns2.stackit.zone`
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

complexcontracts.de resolves to the IP addresses 78.46.215.207 and 78.46.225.107

knowledgetools.at, knowledgetools.ch, static.207.215.46.78.clients.your-server.de and two other host names share IP numbers with complexcontracts.de.

Name Servers

Two name servers handle the delegation for complexcontracts.de: ns1.stackit.cloud and ns2.stackit.zone.

complexcontracts.de uses the same name servers as several other domains — among them img.schwarz, service.justiz.de, zup.lidl and two more.

complexcontracts.de partially shares its NS delegation with several other domains, including secio.com, fwws.lidl, stackit.rocks and two others.

These name servers regularly co-occur with the name servers ns1.dns.stackit.cloud, ns2.dns.stackit.cloud and ns2.stackit.cloud.

ns1.stackit.cloud and ns2.stackit.zone both carry two IP addresses. The A records for ns1.stackit.cloud are 192.174.68.16 and 2001:67c:1bc::16; the A records for ns2.stackit.zone are 176.97.158.16 and 2001:67c:10b8::16.

Mail Servers

Mail for complexcontracts.de is handled by a single mail server, mail.rulemapping.app.

complexcontracts.de uses the same mail servers as other domains — for example knowledgetools.info, rulemapping.app and knowledgetools.de.

mail.rulemapping.app carries a single IP number, which is 188.34.67.238.