`knowledgevisualization.net`

DNSSEC	⚠️ Not signed
A	46.4.40.74^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
		PTR	`static.74.40.4.46.clients.your-server.de`
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`mail.knowledgevisualization.net` ⭐
		A	46.4.40.74^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
			PTR	`static.74.40.4.46.clients.your-server.de`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-04-14 #0

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785987819

Subdomains

mail.knowledgevisualization.net

Same first word

knowledgevisualization.net

knowledgevisualization.com

DNS History

5 records (5 active, 0 former)

●NSns1.first-ns.de2015-07-24 → 2026-08-06 · 2 obs

● 2015-07-24 11:18:02
● 2026-08-06 03:49:56

●NSrobotns2.second-ns.de2015-07-24 → 2026-08-06 · 2 obs

● 2015-07-24 11:18:02
● 2026-08-06 03:49:56

●NSrobotns3.second-ns.com2015-07-24 → 2026-08-06 · 2 obs

● 2015-07-24 11:18:02
● 2026-08-06 03:49:56

●MXmail.knowledgevisualization.net2015-07-24 → 2026-08-06 · 2 obs

● 2015-07-24 11:18:02
● 2026-08-06 03:49:56

●A46.4.40.742015-07-24 → 2026-08-06 · 2 obs

● 2015-07-24 11:18:02
● 2026-08-06 03:49:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	i.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...	-
knowledgevisualization.net	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	-

✅ Authoritative Response

Server:213.133.100.103

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgevisualization.net (unsigned zone)

⏱️ Timing

Total: 776ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.4.40.74`
NS	3	`ns1.first-ns.de, robotns2.second-ns.de...`
MX	1	`mail.knowledgevisualization.net (pri: 10`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Hierarchy

knowledgevisualization.net serves as the parent of mail.knowledgevisualization.net.

IP Addresses

knowledgevisualization.net directs to one IP number, which is 46.4.40.74.

Among the host names that share IP numbers with knowledgevisualization.net are mail.knowledgevisualization.net, knowledgevisualisation.net, karikatur.at and two others.

Name Servers

knowledgevisualization.net carries NS records delegating to robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

knowledgevisualization.net has at least partial name server overlap with other domains, such as deutsche-schreibprobe.de, permaton.at, dosyit.de and two others.

robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de are three hostnames that each resolve to a pair of IP addresses: robotns3.second-ns.com to 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de to 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.

Mail Servers

knowledgevisualization.net routes its mail through a single mail server, mail.knowledgevisualization.net.

mail.knowledgevisualization.net carries a single IP number, which is 46.4.40.74.

knowledgevisualization.net - robtex.com