🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledge-value.de`

DNSSEC	⚠️ Not signed
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	`mx-01.mail-forwarder.io` ⭐
		A	2a00:18e0:5:2:7577:4e4d:413b:f507^{🇩🇪 Amazon2a00:18e0:5::/48 EC2 Prefix}
			PTR	`relay.mail-forwarder.io`
		A	2a00:18e0:5:3:dfe2:c743:85aa:61bc^{🇩🇪 Amazon2a00:18e0:5::/48 EC2 Prefix}
			PTR	`relay.mail-forwarder.io`
		A	5.22.145.16^{🇩🇪 Amazon5.22.145.0/24}
			PTR	`relay.mail-forwarder.io`
		A	5.22.145.121^{🇩🇪 Amazon5.22.145.0/24}
			PTR	`relay.mail-forwarder.io`
MX	`mx-02.mail-forwarder.io` ⭐
		A	2a00:18e0:5:2:7577:4e4d:413b:f507^{🇩🇪 Amazon2a00:18e0:5::/48 EC2 Prefix}
			PTR	`relay.mail-forwarder.io`
		A	2a00:18e0:5:3:dfe2:c743:85aa:61bc^{🇩🇪 Amazon2a00:18e0:5::/48 EC2 Prefix}
			PTR	`relay.mail-forwarder.io`
		A	5.22.145.16^{🇩🇪 Amazon5.22.145.0/24}
			PTR	`relay.mail-forwarder.io`
		A	5.22.145.121^{🇩🇪 Amazon5.22.145.0/24}
			PTR	`relay.mail-forwarder.io`
SOA	`ns1.domaindiscount24.net`tech@key-systems.net 2022-03-15 #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=1786862504

Same first word

knowledge-value.de

DNS History

12 records (5 active, 7 former)

●NSns1.domaindiscount24.net2015-07-22 → 2026-08-16 · 2 obs

● 2015-07-22 00:11:46
● 2026-08-16 06:56:32

●NSns2.domaindiscount24.net2015-07-22 → 2026-08-16 · 2 obs

● 2015-07-22 00:11:46
● 2026-08-16 06:56:32

●NSns3.domaindiscount24.net2015-07-22 → 2026-08-16 · 2 obs

● 2015-07-22 00:11:46
● 2026-08-16 06:56:32

○MXmailfw.dd24.net2016-04-02 → 2017-05-21 · 5 obs

○ 2016-01-07 22:49:32
● 2016-04-02 16:56:32
● 2017-05-21 20:07:52
○ 2026-03-26 04:40:54
○ 2026-08-16 06:56:32

○MXmailfw2.dd24.net2015-07-22 → 2016-01-07 · 4 obs

● 2015-07-22 00:11:46
● 2016-01-07 22:49:32
○ 2016-04-02 16:56:32
○ 2026-08-16 06:56:32

○MXmailfw3.dd24.net2015-07-22 → 2016-01-07 · 4 obs

● 2015-07-22 00:11:46
● 2016-01-07 22:49:32
○ 2016-04-02 16:56:32
○ 2026-08-16 06:56:32

●MXmx-01.mail-forwarder.io2026-03-26 → 2026-08-16 · 3 obs

○ 2017-05-21 20:07:52
● 2026-03-26 04:40:54
● 2026-08-16 06:56:32

●MXmx-02.mail-forwarder.io2026-03-26 → 2026-08-16 · 3 obs

○ 2017-05-21 20:07:52
● 2026-03-26 04:40:54
● 2026-08-16 06:56:32

○A109.234.109.202015-07-22 → 2016-01-07 · 4 obs

● 2015-07-22 00:11:46
● 2016-01-07 22:49:32
○ 2016-04-02 16:56:32
○ 2026-08-16 06:56:32

○A109.234.109.212015-07-22 → 2016-01-07 · 4 obs

● 2015-07-22 00:11:46
● 2016-01-07 22:49:32
○ 2016-04-02 16:56:32
○ 2026-08-16 06:56:32

○A213.128.138.2362015-07-22 → 2016-01-07 · 4 obs

● 2015-07-22 00:11:46
● 2016-01-07 22:49:32
○ 2016-04-02 16:56:32
○ 2026-08-16 06:56:32

○A51.254.41.572016-04-02 → 2017-05-21 · 5 obs

○ 2016-01-07 22:49:32
● 2016-04-02 16:56:32
● 2017-05-21 20:07:52
○ 2026-03-26 04:40:54
○ 2026-08-16 06:56:32

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:193.227.117.34

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge-value.de (unsigned zone)

⏱️ Timing

Total: 633ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.domaindiscount24.net, ns2.domaindiscount24.net...`
MX	2	`mx-01.mail-forwarder.io (pri: 10), mx-02.mail-forwarder.io (pri: 10)`
SOA	1	`ns1.domaindiscount24.net tech.key-system`

Analysis

Name Servers

The authoritative name servers for knowledge-value.de are ns1.domaindiscount24.net, ns2.domaindiscount24.net and ns3.domaindiscount24.net — three in total.

knowledge-value.de partially shares its NS delegation with several other domains, including herbrand.de, lambrettadesign.com, monika-koenig.com and two others.

ns1.domaindiscount24.net, ns2.domaindiscount24.net and ns3.domaindiscount24.net all resolve to exactly two IP numbers apiece: ns1.domaindiscount24.net → 193.227.117.34 and 2a04:2b00:14cc::34; ns2.domaindiscount24.net → 194.50.187.34 and 2a04:2b00:14dd::34; ns3.domaindiscount24.net → 194.0.182.34 and 2a04:2b00:14ee::34.

Mail Servers

knowledge-value.de has two mail servers: mx-01.mail-forwarder.io and mx-02.mail-forwarder.io.

knowledge-value.de shares the same mail server setup as other domains, including godofday.de, europas-groesste-filmredaktion.com, schoenheitswert.com and two others.

knowledge-value.de partially shares its mail servers with other domains, t-systems.net and winnernews.com being examples.

Each of the hosts mx-01.mail-forwarder.io and mx-02.mail-forwarder.io points to four IP numbers: mx-01.mail-forwarder.io directs to 5.22.145.16, 5.22.145.121, 2a00:18e0:5:2:7577:4e4d:413b:f507 and 2a00:18e0:5:3:dfe2:c743:85aa:61bc and mx-02.mail-forwarder.io points to 5.22.145.16, 5.22.145.121, 2a00:18e0:5:2:7577:4e4d:413b:f507 and 2a00:18e0:5:3:dfe2:c743:85aa:61bc.