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	`mx5.knowledgetools.de` ⭐
		A	46.231.177.197^{🇩🇪 UNBELIEVABLE-AS46.231.176.0/21 Orange Business Services GmbH}
			PTR	`mx5.knowledgetools.de`
TXT	`v=spf1 mx a:mx5.knowledgetools.de -all`
SOA	`ns1.stackit.cloud`hostmaster@stackit.cloud 2026-05-04 #1

`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=1780543977

Same first word

complexcontracts.de

DNS History

20 records (5 active, 15 former)

○NSb.ns14.net2026-05-28 → 2026-06-04 · 2 obs

○ 2026-05-28 07:55:40
○ 2026-06-04 03:58:18

○NSc.ns14.net2026-05-28 → 2026-06-04 · 2 obs

○ 2026-05-28 07:55:40
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

●NSns1.stackit.cloud2026-05-28 → 2026-06-04 · 3 obs

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

●NSns2.stackit.zone2026-05-28 → 2026-06-04 · 3 obs

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

○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
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

○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
○ 2026-06-04 03:58:18

●MXmx5.knowledgetools.de2026-05-28 → 2026-06-04 · 3 obs

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

○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
○ 2026-06-04 03:58:18

●A78.46.215.2072020-02-09 → 2026-06-04 · 3 obs

○ 2017-01-31 03:54:20
● 2020-02-09 01:21:30
● 2026-06-04 03:58:18

●A78.46.225.1072020-02-09 → 2026-06-04 · 3 obs

○ 2017-01-31 03:54:20
● 2020-02-09 01:21:30
● 2026-06-04 03:58:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
complexcontracts.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 complexcontracts.de (unsigned zone)

⏱️ Timing

Total: 610ms | 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	`mx5.knowledgetools.de (pri: 10)`
TXT	1	`v=spf1 mx a:mx5.knowledgetools.de -all`
SOA	1	`ns1.stackit.cloud hostmaster.stackit.clo`

Analysis

IP Addresses

complexcontracts.de points to two IP numbers: 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 service.justiz.de, 11.17.213.in-addr.arpa, telemetry-router.eu02.onstackit.cloud and two more.

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

These name servers are regularly seen alongside ns1.dns.stackit.cloud and ns2.dns.stackit.cloud as name servers.

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, mx5.knowledgetools.de.

complexcontracts.de uses an identical mail server configuration to several other domains — among them knowledgetools.ch, knowledgetools.info, knowledge-tools.de and two more.

mx5.knowledgetools.de carries a single IP number, which is 46.231.177.197.